Use nameof operator (#12716)

# PR Summary

Using *Roslynator Command Line Tool version 0.1.0.4*

* Fix RCS1015:
  * `"argument"` → `nameof(argument)`
  * `enum.ToString()` → `nameof(enum)`

[RCS1015.log](https://github.com/PowerShell/PowerShell/files/4646102/RCS1015.log)


## PR Context

<!-- Provide a little reasoning as to why this Pull Request helps and why you have opened it. -->

## PR Checklist

- [x] [PR has a meaningful title](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
    - Use the present tense and imperative mood when describing your changes
- [x] [Summarized changes](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
- [x] [Make sure all `.h`, `.cpp`, `.cs`, `.ps1` and `.psm1` files have the correct copyright header](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
- [x] This PR is ready to merge and is not [Work in Progress](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---work-in-progress).
    - If the PR is work in progress, please add the prefix `WIP:` or `[ WIP ]` to the beginning of the title (the `WIP` bot will keep its status check at `Pending` while the prefix is present) and remove the prefix when the PR is ready.
- **[Breaking changes](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#making-breaking-changes)**
    - [x] None
    - **OR**
    - [ ] [Experimental feature(s) needed](https://github.com/MicrosoftDocs/PowerShell-Docs/blob/staging/reference/6/Microsoft.PowerShell.Core/About/about_Experimental_Features.md)
        - [ ] Experimental feature name(s): <!-- Experimental feature name(s) here -->
- **User-facing changes**
    - [x] Not Applicable
    - **OR**
    - [ ] [Documentation needed](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
        - [ ] Issue filed: <!-- Number/link of that issue here -->
- **Testing - New and feature**
    - [x] N/A or can only be tested interactively
    - **OR**
    - [ ] [Make sure you've added a new test if existing tests do not effectively test the code changed](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#before-submitting)
- **Tooling**
    - [x] I have considered the user experience from a tooling perspective and don't believe tooling will be impacted.
    - **OR**
    - [ ] I have considered the user experience from a tooling perspective and enumerated concerns in the summary. This may include:
        - Impact on [PowerShell Editor Services](https://github.com/PowerShell/PowerShellEditorServices) which is used in the [PowerShell extension](https://github.com/PowerShell/vscode-powershell) for VSCode (which runs in a different PS Host).
        - Impact on Completions (both in the console and in editors) - one of PowerShell's most powerful features.
        - Impact on [PSScriptAnalyzer](https://github.com/PowerShell/PSScriptAnalyzer) (which provides linting & formatting in the editor extensions).
        - Impact on [EditorSyntax](https://github.com/PowerShell/EditorSyntax) (which provides syntax highlighting with in VSCode, GitHub, and many other editors).

src/Microsoft.PowerShell.Commands.Management/cimSupport/cmdletization/SessionBasedWrapper.cs

@@ -581,8 +581,8 @@ namespace Microsoft.PowerShell.Cmdletization
         /// <param name="passThru"><c>true</c> if successful method invocations should emit downstream the <paramref name="objectInstance"/> being operated on.</param>
         public override void ProcessRecord(TObjectInstance objectInstance, MethodInvocationInfo methodInvocationInfo, bool passThru)
         {
-            if (objectInstance == null) throw new ArgumentNullException("objectInstance");
-            if (methodInvocationInfo == null) throw new ArgumentNullException("methodInvocationInfo");
+            if (objectInstance == null) throw new ArgumentNullException(nameof(objectInstance));
+            if (methodInvocationInfo == null) throw new ArgumentNullException(nameof(methodInvocationInfo));
 
             foreach (TSession sessionForJob in this.GetSessionsToActAgainst(objectInstance))
             {
@@ -607,7 +607,7 @@ namespace Microsoft.PowerShell.Cmdletization
         /// <param name="methodInvocationInfo">Method invocation details.</param>
         public override void ProcessRecord(MethodInvocationInfo methodInvocationInfo)
         {
-            if (methodInvocationInfo == null) throw new ArgumentNullException("methodInvocationInfo");
+            if (methodInvocationInfo == null) throw new ArgumentNullException(nameof(methodInvocationInfo));
 
             foreach (TSession sessionForJob in this.GetSessionsToActAgainst(methodInvocationInfo))
             {

src/Microsoft.PowerShell.Commands.Management/cimSupport/cmdletization/cim/CimJobException.cs

@@ -56,7 +56,7 @@ namespace Microsoft.PowerShell.Cmdletization.Cim
         {
             if (info == null)
             {
-                throw new ArgumentNullException("info");
+                throw new ArgumentNullException(nameof(info));
             }
 
             _errorRecord = (ErrorRecord)info.GetValue("errorRecord", typeof(ErrorRecord));
@@ -71,7 +71,7 @@ namespace Microsoft.PowerShell.Cmdletization.Cim
         {
             if (info == null)
             {
-                throw new ArgumentNullException("info");
+                throw new ArgumentNullException(nameof(info));
             }
 
             base.GetObjectData(info, context);

src/Microsoft.PowerShell.Commands.Management/cimSupport/cmdletization/cim/cimConverter.cs

@@ -52,12 +52,12 @@ namespace Microsoft.PowerShell.Cim
             {
                 if ((offset < 0) || (offset >= _string.Length))
                 {
-                    throw new ArgumentOutOfRangeException("offset");
+                    throw new ArgumentOutOfRangeException(nameof(offset));
                 }
 
                 if (offset + charsToCopy > _string.Length)
                 {
-                    throw new ArgumentOutOfRangeException("charsToCopy");
+                    throw new ArgumentOutOfRangeException(nameof(charsToCopy));
                 }
 
                 fixed (char* target = _string)
@@ -352,7 +352,7 @@ namespace Microsoft.PowerShell.Cim
         /// <exception cref="PSInvalidCastException">The only kind of exception this method can throw.</exception>
         internal static object ConvertFromCimToDotNet(object cimObject, Type expectedDotNetType)
         {
-            if (expectedDotNetType == null) { throw new ArgumentNullException("expectedDotNetType"); }
+            if (expectedDotNetType == null) { throw new ArgumentNullException(nameof(expectedDotNetType)); }
 
             if (cimObject == null)
             {

src/Microsoft.PowerShell.Commands.Management/cimSupport/cmdletization/cim/cimQuery.cs

@@ -316,12 +316,12 @@ namespace Microsoft.PowerShell.Cmdletization.Cim
         {
             if (string.IsNullOrEmpty(optionName))
             {
-                throw new ArgumentNullException("optionName");
+                throw new ArgumentNullException(nameof(optionName));
             }
 
             if (optionValue == null)
             {
-                throw new ArgumentNullException("optionValue");
+                throw new ArgumentNullException(nameof(optionValue));
             }
 
             this.queryOptions[optionName] = optionValue;

src/Microsoft.PowerShell.Commands.Management/cimSupport/cmdletization/cim/cimWrapper.cs

@@ -175,7 +175,7 @@ namespace Microsoft.PowerShell.Cmdletization.Cim
             CimQuery query = baseQuery as CimQuery;
             if (query == null)
             {
-                throw new ArgumentNullException("baseQuery");
+                throw new ArgumentNullException(nameof(baseQuery));
             }
 
             TerminatingErrorTracker tracker = TerminatingErrorTracker.GetTracker(this.CmdletInvocationInfo, isStaticCmdlet: false);

src/Microsoft.PowerShell.Commands.Management/commands/management/CIMHelper.cs

@@ -80,7 +80,7 @@ namespace Microsoft.PowerShell.Commands
         internal static T GetFirst<T>(CimSession session, string nameSpace, string wmiClassName) where T : class, new()
         {
             if (string.IsNullOrEmpty(wmiClassName))
-                throw new ArgumentException("String argument may not be null or empty", "wmiClassName");
+                throw new ArgumentException("String argument may not be null or empty", nameof(wmiClassName));
 
             try
             {
@@ -133,7 +133,7 @@ namespace Microsoft.PowerShell.Commands
         internal static T[] GetAll<T>(CimSession session, string nameSpace, string wmiClassName) where T : class, new()
         {
             if (string.IsNullOrEmpty(wmiClassName))
-                throw new ArgumentException("String argument may not be null or empty", "wmiClassName");
+                throw new ArgumentException("String argument may not be null or empty", nameof(wmiClassName));
 
             var rv = new List<T>();
 

src/Microsoft.PowerShell.Commands.Management/commands/management/Computer.cs

@@ -107,7 +107,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (info == null)
             {
-                throw new PSArgumentNullException("info");
+                throw new PSArgumentNullException(nameof(info));
             }
 
             ComputerName = info.GetString("ComputerName");
@@ -128,7 +128,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (info == null)
             {
-                throw new PSArgumentNullException("info");
+                throw new PSArgumentNullException(nameof(info));
             }
 
             base.GetObjectData(info, context);

src/Microsoft.PowerShell.Commands.Management/commands/management/ContentCommandBase.cs

@@ -348,7 +348,7 @@ namespace Microsoft.PowerShell.Commands
             {
                 if (pathInfo == null)
                 {
-                    throw PSTraceSource.NewArgumentNullException("pathInfo");
+                    throw PSTraceSource.NewArgumentNullException(nameof(pathInfo));
                 }
 
                 PathInfo = pathInfo;
@@ -370,7 +370,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (contentHolders == null)
             {
-                throw PSTraceSource.NewArgumentNullException("contentHolders");
+                throw PSTraceSource.NewArgumentNullException(nameof(contentHolders));
             }
 
             foreach (ContentHolder holder in contentHolders)

src/Microsoft.PowerShell.Commands.Management/commands/management/Process.cs

@@ -3005,7 +3005,7 @@ namespace Microsoft.PowerShell.Commands
             base.GetObjectData(info, context);
 
             if (info == null)
-                throw new ArgumentNullException("info");
+                throw new ArgumentNullException(nameof(info));
 
             info.AddValue("ProcessName", _processName);
         }

src/Microsoft.PowerShell.Commands.Management/commands/management/Service.cs

@@ -547,7 +547,7 @@ namespace Microsoft.PowerShell.Commands
         private bool Matches(ServiceController service, string[] matchList)
         {
             if (matchList == null)
-                throw PSTraceSource.NewArgumentNullException("matchList");
+                throw PSTraceSource.NewArgumentNullException(nameof(matchList));
             string serviceID = (selectionMode == SelectionMode.DisplayName)
                                 ? service.DisplayName
                                 : service.ServiceName;
@@ -2566,7 +2566,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (info == null)
             {
-                throw new ArgumentNullException("info");
+                throw new ArgumentNullException(nameof(info));
             }
 
             _serviceName = info.GetString("ServiceName");
@@ -2581,7 +2581,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (info == null)
             {
-                throw new ArgumentNullException("info");
+                throw new ArgumentNullException(nameof(info));
             }
 
             base.GetObjectData(info, context);

src/Microsoft.PowerShell.Commands.Management/commands/management/SetContentCommand.cs

@@ -28,7 +28,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (paths == null || paths.Length == 0)
             {
-                throw PSTraceSource.NewArgumentNullException("paths");
+                throw PSTraceSource.NewArgumentNullException(nameof(paths));
             }
 
             CmdletProviderContext context = new CmdletProviderContext(GetCurrentContext());

src/Microsoft.PowerShell.Commands.Utility/commands/utility/AddType.cs

@@ -887,7 +887,7 @@ namespace Microsoft.PowerShell.Commands
                 case OutputAssemblyType.WindowsApplication:
                     return OutputKind.WindowsApplication;
                 default:
-                    throw new ArgumentOutOfRangeException("outputType");
+                    throw new ArgumentOutOfRangeException(nameof(outputType));
             }
         }
 

src/Microsoft.PowerShell.Commands.Utility/commands/utility/CustomSerialization.cs

@@ -55,12 +55,12 @@ namespace System.Management.Automation
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentException("writer");
+                throw PSTraceSource.NewArgumentException(nameof(writer));
             }
 
             if (depth < 1)
             {
-                throw PSTraceSource.NewArgumentException("writer", Serialization.DepthOfOneRequired);
+                throw PSTraceSource.NewArgumentException(nameof(writer), Serialization.DepthOfOneRequired);
             }
 
             _depth = depth;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/EnableDisableRunspaceDebugCommand.cs

@@ -75,7 +75,7 @@ namespace Microsoft.PowerShell.Commands
         /// <param name="runspaceId">Runspace local Id.</param>
         public PSRunspaceDebug(bool enabled, bool breakAll, string runspaceName, int runspaceId)
         {
-            if (string.IsNullOrEmpty(runspaceName)) { throw new PSArgumentNullException("runspaceName"); }
+            if (string.IsNullOrEmpty(runspaceName)) { throw new PSArgumentNullException(nameof(runspaceName)); }
 
             this.Enabled = enabled;
             this.BreakAll = breakAll;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/FormatAndOutput/OutGridView/OutWindowProxy.cs

@@ -59,17 +59,17 @@ namespace Microsoft.PowerShell.Commands
         {
             if (propertyNames == null)
             {
-                throw new ArgumentNullException("propertyNames");
+                throw new ArgumentNullException(nameof(propertyNames));
             }
 
             if (displayNames == null)
             {
-                throw new ArgumentNullException("displayNames");
+                throw new ArgumentNullException(nameof(displayNames));
             }
 
             if (types == null)
             {
-                throw new ArgumentNullException("types");
+                throw new ArgumentNullException(nameof(types));
             }
 
             try
@@ -178,7 +178,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (livePSObject == null)
             {
-                throw new ArgumentNullException("livePSObject");
+                throw new ArgumentNullException(nameof(livePSObject));
             }
 
             if (_headerInfo == null)
@@ -204,7 +204,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (livePSObject == null)
             {
-                throw new ArgumentNullException("livePSObject");
+                throw new ArgumentNullException(nameof(livePSObject));
             }
 
             if (_headerInfo == null)

src/Microsoft.PowerShell.Commands.Utility/commands/utility/GetRandomCommand.cs

@@ -644,7 +644,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (maxValue < 0)
             {
-                throw new ArgumentOutOfRangeException("maxValue", GetRandomCommandStrings.MaxMustBeGreaterThanZeroApi);
+                throw new ArgumentOutOfRangeException(nameof(maxValue), GetRandomCommandStrings.MaxMustBeGreaterThanZeroApi);
             }
 
             return Next(0, maxValue);
@@ -660,7 +660,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (minValue > maxValue)
             {
-                throw new ArgumentOutOfRangeException("minValue", GetRandomCommandStrings.MinGreaterThanOrEqualMaxApi);
+                throw new ArgumentOutOfRangeException(nameof(minValue), GetRandomCommandStrings.MinGreaterThanOrEqualMaxApi);
             }
 
             int randomNumber = 0;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ImplicitRemotingCommands.cs

@@ -187,7 +187,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (moduleInfo == null)
             {
-                throw PSTraceSource.NewArgumentNullException("moduleInfo");
+                throw PSTraceSource.NewArgumentNullException(nameof(moduleInfo));
             }
 
             // Note: we are using this.Context.Events to make sure that the event handler
@@ -534,7 +534,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(errorId))
             {
-                throw PSTraceSource.NewArgumentNullException("errorId");
+                throw PSTraceSource.NewArgumentNullException(nameof(errorId));
             }
 
             return new ErrorDetails(
@@ -564,7 +564,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             string errorId = "ErrorMalformedDataFromRemoteCommand";
@@ -585,7 +585,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandNames))
             {
-                throw PSTraceSource.NewArgumentNullException("commandNames");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandNames));
             }
 
             string errorId = "ErrorCommandSkippedBecauseOfShadowing";
@@ -606,7 +606,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             string errorId = "ErrorSkippedNonRequestedCommand";
@@ -627,7 +627,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(typeName))
             {
-                throw PSTraceSource.NewArgumentNullException("typeName");
+                throw PSTraceSource.NewArgumentNullException(nameof(typeName));
             }
 
             string errorId = "ErrorSkippedNonRequestedTypeDefinition";
@@ -648,7 +648,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             string errorId = "ErrorSkippedUnsafeCommandName";
@@ -669,18 +669,18 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             if (string.IsNullOrEmpty(nameType))
             {
-                throw PSTraceSource.NewArgumentNullException("nameType");
+                throw PSTraceSource.NewArgumentNullException(nameof(nameType));
             }
 
             Dbg.Assert(nameType.Equals("Alias") || nameType.Equals("ParameterSet") || nameType.Equals("Parameter"), "nameType matches resource names");
             if (string.IsNullOrEmpty(name))
             {
-                throw PSTraceSource.NewArgumentNullException("name");
+                throw PSTraceSource.NewArgumentNullException(nameof(name));
             }
 
             string errorId = "ErrorSkippedUnsafe" + nameType + "Name";
@@ -701,12 +701,12 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             if (runtimeException == null)
             {
-                throw PSTraceSource.NewArgumentNullException("runtimeException");
+                throw PSTraceSource.NewArgumentNullException(nameof(runtimeException));
             }
 
             string errorId;
@@ -755,7 +755,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(aliasName))
             {
-                throw PSTraceSource.NewArgumentNullException("aliasName");
+                throw PSTraceSource.NewArgumentNullException(nameof(aliasName));
             }
 
             string errorId = "ErrorCouldntResolveAlias";
@@ -776,7 +776,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             string errorId = "ErrorNoResultsFromRemoteEnd";
@@ -872,7 +872,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentNullException("commandName");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandName));
             }
 
             if (this.AllowClobber.IsPresent)
@@ -1270,7 +1270,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (deserializedParameterMetadata == null)
             {
-                throw PSTraceSource.NewArgumentNullException("deserializedParameterMetadata");
+                throw PSTraceSource.NewArgumentNullException(nameof(deserializedParameterMetadata));
             }
 
             string name = GetPropertyValue<string>("Get-Command", deserializedParameterMetadata, "Name");
@@ -1311,7 +1311,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (deserializedCommandInfo == null)
             {
-                throw PSTraceSource.NewArgumentNullException("deserializedCommandInfo");
+                throw PSTraceSource.NewArgumentNullException(nameof(deserializedCommandInfo));
             }
 
             string name = GetPropertyValue<string>("Get-Command", deserializedCommandInfo, "Name");
@@ -1964,7 +1964,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (name == null)
             {
-                throw PSTraceSource.NewArgumentNullException("name");
+                throw PSTraceSource.NewArgumentNullException(nameof(name));
             }
 
             StringBuilder result = new StringBuilder(name.Length);
@@ -2014,7 +2014,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             GenerateTopComment(writer);
@@ -2087,7 +2087,7 @@ $script:MyModule = $MyInvocation.MyCommand.ScriptBlock.Module
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             // In Win8, we are no longer loading all assemblies by default.
@@ -2123,7 +2123,7 @@ function Write-PSImplicitRemotingMessage
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             writer.Write(HelperFunctionsWriteMessage);
@@ -2177,7 +2177,7 @@ if ($PSSessionOverride) {{ Set-PSImplicitRemotingSession $PSSessionOverride }}
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             string runspaceNameTemplate = StringUtil.Format(ImplicitRemotingStrings.ProxyRunspaceNameTemplate);
@@ -2208,7 +2208,7 @@ function Get-PSImplicitRemotingSessionOption
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             writer.Write(
@@ -2403,7 +2403,7 @@ function Get-PSImplicitRemotingSession
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             string hashString;
@@ -2752,7 +2752,7 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             writer.Write(HelperFunctionsModifyParameters);
@@ -2831,7 +2831,7 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             string functionNameForString = CodeGeneration.EscapeSingleQuotedStringContent(commandMetadata.Name);
@@ -2853,12 +2853,12 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             if (listOfCommandMetadata == null)
             {
-                throw PSTraceSource.NewArgumentNullException("listOfCommandMetadata");
+                throw PSTraceSource.NewArgumentNullException(nameof(listOfCommandMetadata));
             }
 
             this.GenerateSectionSeparator(writer);
@@ -2880,12 +2880,12 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             if (listOfCommandMetadata == null)
             {
-                throw PSTraceSource.NewArgumentNullException("listOfCommandMetadata");
+                throw PSTraceSource.NewArgumentNullException(nameof(listOfCommandMetadata));
             }
 
             this.GenerateSectionSeparator(writer);
@@ -2899,7 +2899,7 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (listOfCommandMetadata == null)
             {
-                throw PSTraceSource.NewArgumentNullException("listOfCommandMetadata");
+                throw PSTraceSource.NewArgumentNullException(nameof(listOfCommandMetadata));
             }
 
             List<string> listOfCommandNames = new List<string>();
@@ -2915,7 +2915,7 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (listOfStrings == null)
             {
-                throw PSTraceSource.NewArgumentNullException("listOfStrings");
+                throw PSTraceSource.NewArgumentNullException(nameof(listOfStrings));
             }
 
             StringBuilder arrayString = new StringBuilder();
@@ -2976,12 +2976,12 @@ function Get-PSImplicitRemotingClientSideParameters
         {
             if (writer == null)
             {
-                throw PSTraceSource.NewArgumentNullException("writer");
+                throw PSTraceSource.NewArgumentNullException(nameof(writer));
             }
 
             if (listOfFormatData == null)
             {
-                throw PSTraceSource.NewArgumentNullException("listOfFormatData");
+                throw PSTraceSource.NewArgumentNullException(nameof(listOfFormatData));
             }
 
             XmlWriterSettings settings = new XmlWriterSettings();

src/Microsoft.PowerShell.Commands.Utility/commands/utility/Select-Object.cs

@@ -25,7 +25,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (wildcardPatternsStrings == null)
             {
-                throw new ArgumentNullException("wildcardPatternsStrings");
+                throw new ArgumentNullException(nameof(wildcardPatternsStrings));
             }
 
             _wildcardPatterns = new WildcardPattern[wildcardPatternsStrings.Length];

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowCommand/ShowCommandCommandInfo.cs

@@ -23,7 +23,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Name;
@@ -71,7 +71,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Members["Name"].Value as string;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowCommand/ShowCommandModuleInfo.cs

@@ -21,7 +21,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Name;
@@ -37,7 +37,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Members["Name"].Value as string;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowCommand/ShowCommandParameterInfo.cs

@@ -23,7 +23,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Name;
@@ -50,7 +50,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Members["Name"].Value as string;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowCommand/ShowCommandParameterSetInfo.cs

@@ -23,7 +23,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Name;
@@ -41,7 +41,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.Name = other.Members["Name"].Value as string;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowCommand/ShowCommandParameterType.cs

@@ -22,7 +22,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.FullName = other.FullName;
@@ -51,7 +51,7 @@ namespace Microsoft.PowerShell.Commands.ShowCommandExtension
         {
             if (other == null)
             {
-                throw new ArgumentNullException("other");
+                throw new ArgumentNullException(nameof(other));
             }
 
             this.IsEnum = (bool)(other.Members["IsEnum"].Value);

src/Microsoft.PowerShell.Commands.Utility/commands/utility/UtilityCommon.cs

@@ -121,7 +121,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (value == null)
             {
-                throw PSTraceSource.NewArgumentNullException("value");
+                throw PSTraceSource.NewArgumentNullException(nameof(value));
             }
 
             Offset64 = offset;
@@ -150,7 +150,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (value == null)
             {
-                throw PSTraceSource.NewArgumentNullException("value");
+                throw PSTraceSource.NewArgumentNullException(nameof(value));
             }
 
             Offset64 = offset;
@@ -179,7 +179,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (value == null)
             {
-                throw PSTraceSource.NewArgumentNullException("value");
+                throw PSTraceSource.NewArgumentNullException(nameof(value));
             }
 
             Bytes = value;

src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/InvokeRestMethodCommand.Common.cs

@@ -380,7 +380,7 @@ namespace Microsoft.PowerShell.Commands
         /// <param name="response"></param>
         internal override void ProcessResponse(HttpResponseMessage response)
         {
-            if (response == null) { throw new ArgumentNullException("response"); }
+            if (response == null) { throw new ArgumentNullException(nameof(response)); }
 
             var baseResponseStream = StreamHelper.GetResponseStream(response);
 
@@ -480,7 +480,7 @@ namespace Microsoft.PowerShell.Commands
 
         private RestReturnType CheckReturnType(HttpResponseMessage response)
         {
-            if (response == null) { throw new ArgumentNullException("response"); }
+            if (response == null) { throw new ArgumentNullException(nameof(response)); }
 
             RestReturnType rt = RestReturnType.Detect;
             string contentType = ContentHelper.GetContentType(response);

src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs

@@ -751,7 +751,7 @@ namespace Microsoft.PowerShell.Commands
 
         private Uri CheckProtocol(Uri uri)
         {
-            if (uri == null) { throw new ArgumentNullException("uri"); }
+            if (uri == null) { throw new ArgumentNullException(nameof(uri)); }
 
             if (!uri.IsAbsoluteUri)
             {
@@ -770,7 +770,7 @@ namespace Microsoft.PowerShell.Commands
         private string FormatDictionary(IDictionary content)
         {
             if (content == null)
-                throw new ArgumentNullException("content");
+                throw new ArgumentNullException(nameof(content));
 
             StringBuilder bodyBuilder = new StringBuilder();
             foreach (string key in content.Keys)
@@ -1165,7 +1165,7 @@ namespace Microsoft.PowerShell.Commands
 
         internal virtual void FillRequestStream(HttpRequestMessage request)
         {
-            if (request == null) { throw new ArgumentNullException("request"); }
+            if (request == null) { throw new ArgumentNullException(nameof(request)); }
 
             // set the content type
             if (ContentType != null)
@@ -1338,9 +1338,9 @@ namespace Microsoft.PowerShell.Commands
 
         internal virtual HttpResponseMessage GetResponse(HttpClient client, HttpRequestMessage request, bool keepAuthorization)
         {
-            if (client == null) { throw new ArgumentNullException("client"); }
+            if (client == null) { throw new ArgumentNullException(nameof(client)); }
 
-            if (request == null) { throw new ArgumentNullException("request"); }
+            if (request == null) { throw new ArgumentNullException(nameof(request)); }
 
             // Add 1 to account for the first request.
             int totalRequests = WebSession.MaximumRetryCount + 1;
@@ -1452,7 +1452,7 @@ namespace Microsoft.PowerShell.Commands
 
         internal virtual void UpdateSession(HttpResponseMessage response)
         {
-            if (response == null) { throw new ArgumentNullException("response"); }
+            if (response == null) { throw new ArgumentNullException(nameof(response)); }
         }
 
         #endregion Virtual Methods
@@ -1658,7 +1658,7 @@ namespace Microsoft.PowerShell.Commands
         internal long SetRequestContent(HttpRequestMessage request, byte[] content)
         {
             if (request == null)
-                throw new ArgumentNullException("request");
+                throw new ArgumentNullException(nameof(request));
             if (content == null)
                 return 0;
 
@@ -1681,7 +1681,7 @@ namespace Microsoft.PowerShell.Commands
         internal long SetRequestContent(HttpRequestMessage request, string content)
         {
             if (request == null)
-                throw new ArgumentNullException("request");
+                throw new ArgumentNullException(nameof(request));
 
             if (content == null)
                 return 0;
@@ -1730,7 +1730,7 @@ namespace Microsoft.PowerShell.Commands
         internal long SetRequestContent(HttpRequestMessage request, XmlNode xmlNode)
         {
             if (request == null)
-                throw new ArgumentNullException("request");
+                throw new ArgumentNullException(nameof(request));
 
             if (xmlNode == null)
                 return 0;
@@ -1767,9 +1767,9 @@ namespace Microsoft.PowerShell.Commands
         internal long SetRequestContent(HttpRequestMessage request, Stream contentStream)
         {
             if (request == null)
-                throw new ArgumentNullException("request");
+                throw new ArgumentNullException(nameof(request));
             if (contentStream == null)
-                throw new ArgumentNullException("contentStream");
+                throw new ArgumentNullException(nameof(contentStream));
 
             var streamContent = new StreamContent(contentStream);
             request.Content = streamContent;
@@ -1791,12 +1791,12 @@ namespace Microsoft.PowerShell.Commands
         {
             if (request == null)
             {
-                throw new ArgumentNullException("request");
+                throw new ArgumentNullException(nameof(request));
             }
 
             if (multipartContent == null)
             {
-                throw new ArgumentNullException("multipartContent");
+                throw new ArgumentNullException(nameof(multipartContent));
             }
 
             request.Content = multipartContent;
@@ -1807,9 +1807,9 @@ namespace Microsoft.PowerShell.Commands
         internal long SetRequestContent(HttpRequestMessage request, IDictionary content)
         {
             if (request == null)
-                throw new ArgumentNullException("request");
+                throw new ArgumentNullException(nameof(request));
             if (content == null)
-                throw new ArgumentNullException("content");
+                throw new ArgumentNullException(nameof(content));
 
             string body = FormatDictionary(content);
             return (SetRequestContent(request, body));

src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebResponseObject.Common.cs

@@ -182,7 +182,7 @@ namespace Microsoft.PowerShell.Commands
 
         private void SetResponse(HttpResponseMessage response, Stream contentStream)
         {
-            if (response == null) { throw new ArgumentNullException("response"); }
+            if (response == null) { throw new ArgumentNullException(nameof(response)); }
 
             BaseResponse = response;
 

src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/CoreCLR/InvokeWebRequestCommand.CoreClr.cs

@@ -31,7 +31,7 @@ namespace Microsoft.PowerShell.Commands
         /// <param name="response"></param>
         internal override void ProcessResponse(HttpResponseMessage response)
         {
-            if (response == null) { throw new ArgumentNullException("response"); }
+            if (response == null) { throw new ArgumentNullException(nameof(response)); }
 
             Stream responseStream = StreamHelper.GetResponseStream(response);
             if (ShouldWriteToPipeline)

src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/CoreCLR/WebProxy.cs

@@ -15,7 +15,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (address == null)
             {
-                throw new ArgumentNullException("address");
+                throw new ArgumentNullException(nameof(address));
             }
 
             _proxyAddress = address;
@@ -50,7 +50,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (destination == null)
             {
-                throw new ArgumentNullException("destination");
+                throw new ArgumentNullException(nameof(destination));
             }
 
             if (destination.IsLoopback)

src/Microsoft.PowerShell.Commands.Utility/commands/utility/trace/MshHostTraceListener.cs

@@ -31,7 +31,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (cmdlet == null)
             {
-                throw new PSArgumentNullException("cmdlet");
+                throw new PSArgumentNullException(nameof(cmdlet));
             }
 
             Diagnostics.Assert(

src/Microsoft.PowerShell.Commands.Utility/commands/utility/trace/TraceExpressionCommand.cs

@@ -334,12 +334,12 @@ namespace Microsoft.PowerShell.Commands
         {
             if (cmdlet == null)
             {
-                throw new ArgumentNullException("cmdlet");
+                throw new ArgumentNullException(nameof(cmdlet));
             }
 
             if (matchingSources == null)
             {
-                throw new ArgumentNullException("matchingSources");
+                throw new ArgumentNullException(nameof(matchingSources));
             }
 
             _cmdlet = cmdlet;

src/Microsoft.PowerShell.ConsoleHost/WindowsTaskbarJumpList/PropVariant.cs

@@ -31,7 +31,7 @@ namespace Microsoft.PowerShell
         {
             if (value == null)
             {
-                throw new ArgumentException("PropVariantNullString", "value");
+                throw new ArgumentException("PropVariantNullString", nameof(value));
             }
 
 #pragma warning disable CS0618 // Type or member is obsolete (might get deprecated in future versions

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleControl.cs

@@ -1084,7 +1084,7 @@ namespace Microsoft.PowerShell
             Dbg.Assert(!consoleHandle.IsClosed, "ConsoleHandle is closed");
             if (contents == null)
             {
-                throw PSTraceSource.NewArgumentNullException("contents");
+                throw PSTraceSource.NewArgumentNullException(nameof(contents));
             }
 
             uint codePage;

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHost.cs

@@ -735,7 +735,7 @@ namespace Microsoft.PowerShell
 
             public ConsoleColorProxy(ConsoleHostUserInterface ui)
             {
-                if (ui == null) throw new ArgumentNullException("ui");
+                if (ui == null) throw new ArgumentNullException(nameof(ui));
                 _ui = ui;
             }
 

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostRawUserInterface.cs

@@ -609,7 +609,7 @@ namespace Microsoft.PowerShell
         {
             if ((options & (ReadKeyOptions.IncludeKeyDown | ReadKeyOptions.IncludeKeyUp)) == 0)
             {
-                throw PSTraceSource.NewArgumentException("options", ConsoleHostRawUserInterfaceStrings.InvalidReadKeyOptionsError);
+                throw PSTraceSource.NewArgumentException(nameof(options), ConsoleHostRawUserInterfaceStrings.InvalidReadKeyOptionsError);
             }
 
             // keyInfo is initialized in the below if-else statement
@@ -880,14 +880,14 @@ namespace Microsoft.PowerShell
         {
             if (contents == null)
             {
-                PSTraceSource.NewArgumentNullException("contents");
+                PSTraceSource.NewArgumentNullException(nameof(contents));
             }
             // the origin must be within the window.
 
             ConsoleControl.CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
 
             ConsoleHandle handle = GetBufferInfo(out bufferInfo);
-            CheckCoordinateWithinBuffer(ref origin, ref bufferInfo, "origin");
+            CheckCoordinateWithinBuffer(ref origin, ref bufferInfo, nameof(origin));
 
             // The output is clipped by the console subsystem, so we don't have to check that the array exceeds the buffer
             // boundaries.
@@ -931,14 +931,14 @@ namespace Microsoft.PowerShell
             // make sure the rect is valid
             if (region.Right < region.Left)
             {
-                throw PSTraceSource.NewArgumentException("region",
+                throw PSTraceSource.NewArgumentException(nameof(region),
                     ConsoleHostRawUserInterfaceStrings.InvalidRegionErrorTemplate,
                     "region.Right", "region.Left");
             }
 
             if (region.Bottom < region.Top)
             {
-                throw PSTraceSource.NewArgumentException("region",
+                throw PSTraceSource.NewArgumentException(nameof(region),
                     ConsoleHostRawUserInterfaceStrings.InvalidRegionErrorTemplate,
                     "region.Bottom", "region.Top");
             }
@@ -960,7 +960,7 @@ namespace Microsoft.PowerShell
                     ConsoleControl.IsCJKOutputCodePage(out codePage) &&
                     LengthInBufferCells(fill.Character) == 2)
                 {
-                    throw PSTraceSource.NewArgumentException("fill");
+                    throw PSTraceSource.NewArgumentException(nameof(fill));
                 }
 
                 int cells = bufferWidth * bufferHeight;
@@ -1005,7 +1005,7 @@ namespace Microsoft.PowerShell
                     {
                         if (leftExisting[r, 0].BufferCellType == BufferCellType.Leading)
                         {
-                            throw PSTraceSource.NewArgumentException("fill");
+                            throw PSTraceSource.NewArgumentException(nameof(fill));
                         }
                     }
                 }
@@ -1014,7 +1014,7 @@ namespace Microsoft.PowerShell
                 {
                     if (charLength == 2)
                     {
-                        throw PSTraceSource.NewArgumentException("fill");
+                        throw PSTraceSource.NewArgumentException(nameof(fill));
                     }
                 }
                 else
@@ -1030,7 +1030,7 @@ namespace Microsoft.PowerShell
                         {
                             if (rightExisting[r, 0].BufferCellType == BufferCellType.Leading)
                             {
-                                throw PSTraceSource.NewArgumentException("fill");
+                                throw PSTraceSource.NewArgumentException(nameof(fill));
                             }
                         }
                     }
@@ -1040,7 +1040,7 @@ namespace Microsoft.PowerShell
                         {
                             if (rightExisting[r, 0].BufferCellType == BufferCellType.Leading ^ charLength == 2)
                             {
-                                throw PSTraceSource.NewArgumentException("fill");
+                                throw PSTraceSource.NewArgumentException(nameof(fill));
                             }
                         }
                     }
@@ -1091,14 +1091,14 @@ namespace Microsoft.PowerShell
             // make sure the rect is valid
             if (region.Right < region.Left)
             {
-                throw PSTraceSource.NewArgumentException("region",
+                throw PSTraceSource.NewArgumentException(nameof(region),
                     ConsoleHostRawUserInterfaceStrings.InvalidRegionErrorTemplate,
                     "region.Right", "region.Left");
             }
 
             if (region.Bottom < region.Top)
             {
-                throw PSTraceSource.NewArgumentException("region",
+                throw PSTraceSource.NewArgumentException(nameof(region),
                     ConsoleHostRawUserInterfaceStrings.InvalidRegionErrorTemplate,
                     "region.Bottom", "region.Top");
             }

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterfacePrompt.cs

@@ -97,12 +97,12 @@ namespace Microsoft.PowerShell
 
             if (descriptions == null)
             {
-                throw PSTraceSource.NewArgumentNullException("descriptions");
+                throw PSTraceSource.NewArgumentNullException(nameof(descriptions));
             }
 
             if (descriptions.Count < 1)
             {
-                throw PSTraceSource.NewArgumentException("descriptions",
+                throw PSTraceSource.NewArgumentException(nameof(descriptions),
                     ConsoleHostUserInterfaceStrings.PromptEmptyDescriptionsErrorTemplate, "descriptions");
             }
 
@@ -139,7 +139,7 @@ namespace Microsoft.PowerShell
                     descIndex++;
                     if (desc == null)
                     {
-                        throw PSTraceSource.NewArgumentException("descriptions",
+                        throw PSTraceSource.NewArgumentException(nameof(descriptions),
                             ConsoleHostUserInterfaceStrings.NullErrorTemplate,
                             string.Format(CultureInfo.InvariantCulture, "descriptions[{0}]", descIndex));
                     }

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterfacePromptForChoice.cs

@@ -46,18 +46,18 @@ namespace Microsoft.PowerShell
 
             if (choices == null)
             {
-                throw PSTraceSource.NewArgumentNullException("choices");
+                throw PSTraceSource.NewArgumentNullException(nameof(choices));
             }
 
             if (choices.Count == 0)
             {
-                throw PSTraceSource.NewArgumentException("choices",
+                throw PSTraceSource.NewArgumentException(nameof(choices),
                     ConsoleHostUserInterfaceStrings.EmptyChoicesErrorTemplate, "choices");
             }
 
             if ((defaultChoice < -1) || (defaultChoice >= choices.Count))
             {
-                throw PSTraceSource.NewArgumentOutOfRangeException("defaultChoice", defaultChoice,
+                throw PSTraceSource.NewArgumentOutOfRangeException(nameof(defaultChoice), defaultChoice,
                     ConsoleHostUserInterfaceStrings.InvalidDefaultChoiceErrorTemplate, "defaultChoice", "choice");
             }
 
@@ -175,12 +175,12 @@ namespace Microsoft.PowerShell
 
             if (choices == null)
             {
-                throw PSTraceSource.NewArgumentNullException("choices");
+                throw PSTraceSource.NewArgumentNullException(nameof(choices));
             }
 
             if (choices.Count == 0)
             {
-                throw PSTraceSource.NewArgumentException("choices",
+                throw PSTraceSource.NewArgumentException(nameof(choices),
                     ConsoleHostUserInterfaceStrings.EmptyChoicesErrorTemplate, "choices");
             }
 

src/Microsoft.PowerShell.ConsoleHost/host/msh/ProgressPane.cs

@@ -27,7 +27,7 @@ namespace Microsoft.PowerShell
         internal
         ProgressPane(ConsoleHostUserInterface ui)
         {
-            if (ui == null) throw new ArgumentNullException("ui");
+            if (ui == null) throw new ArgumentNullException(nameof(ui));
             _ui = ui;
             _rawui = ui.RawUI;
         }

src/Microsoft.PowerShell.CoreCLR.Eventing/DotNetCode/Eventing/EventDescriptor.cs

@@ -38,12 +38,12 @@ namespace System.Diagnostics.Eventing
         {
             if (id < 0)
             {
-                throw new ArgumentOutOfRangeException("id", DotNetEventingStrings.ArgumentOutOfRange_NeedNonNegNum);
+                throw new ArgumentOutOfRangeException(nameof(id), DotNetEventingStrings.ArgumentOutOfRange_NeedNonNegNum);
             }
 
             if (id > ushort.MaxValue)
             {
-                throw new ArgumentOutOfRangeException("id", string.Format(CultureInfo.CurrentCulture, DotNetEventingStrings.ArgumentOutOfRange_NeedValidId, 1, ushort.MaxValue));
+                throw new ArgumentOutOfRangeException(nameof(id), string.Format(CultureInfo.CurrentCulture, DotNetEventingStrings.ArgumentOutOfRange_NeedValidId, 1, ushort.MaxValue));
             }
 
             _id = (ushort)id;
@@ -55,12 +55,12 @@ namespace System.Diagnostics.Eventing
 
             if (task < 0)
             {
-                throw new ArgumentOutOfRangeException("task", DotNetEventingStrings.ArgumentOutOfRange_NeedNonNegNum);
+                throw new ArgumentOutOfRangeException(nameof(task), DotNetEventingStrings.ArgumentOutOfRange_NeedNonNegNum);
             }
 
             if (task > ushort.MaxValue)
             {
-                throw new ArgumentOutOfRangeException("task", string.Format(CultureInfo.CurrentCulture, DotNetEventingStrings.ArgumentOutOfRange_NeedValidId, 1, ushort.MaxValue));
+                throw new ArgumentOutOfRangeException(nameof(task), string.Format(CultureInfo.CurrentCulture, DotNetEventingStrings.ArgumentOutOfRange_NeedValidId, 1, ushort.MaxValue));
             }
 
             _task = (ushort)task;

src/Microsoft.PowerShell.CoreCLR.Eventing/DotNetCode/Eventing/EventProvider.cs

@@ -435,7 +435,7 @@ namespace System.Diagnostics.Eventing
 
             if (eventMessage == null)
             {
-                throw new ArgumentNullException("eventMessage");
+                throw new ArgumentNullException(nameof(eventMessage));
             }
 
             if (IsEnabled(eventLevel, eventKeywords))
@@ -619,7 +619,7 @@ namespace System.Diagnostics.Eventing
                             //
                             // too many arguments to log
                             //
-                            throw new ArgumentOutOfRangeException("eventPayload",
+                            throw new ArgumentOutOfRangeException(nameof(eventPayload),
                                 string.Format(CultureInfo.CurrentCulture, DotNetEventingStrings.ArgumentOutOfRange_MaxArgExceeded, s_etwMaxNumberArguments));
                         }
 
@@ -656,7 +656,7 @@ namespace System.Diagnostics.Eventing
                                 }
                                 else
                                 {
-                                    throw new ArgumentOutOfRangeException("eventPayload",
+                                    throw new ArgumentOutOfRangeException(nameof(eventPayload),
                                         string.Format(CultureInfo.CurrentCulture, DotNetEventingStrings.ArgumentOutOfRange_MaxStringsExceeded, s_etwAPIMaxStringCount));
                                 }
                             }

src/Microsoft.PowerShell.CoreCLR.Eventing/DotNetCode/Eventing/EventProviderTraceListener.cs

@@ -70,7 +70,7 @@ namespace System.Diagnostics.Eventing
             : base(name)
         {
             if (delimiter == null)
-                throw new ArgumentNullException("delimiter");
+                throw new ArgumentNullException(nameof(delimiter));
 
             if (delimiter.Length == 0)
                 throw new ArgumentException(DotNetEventingStrings.Argument_NeedNonemptyDelimiter);

src/Microsoft.PowerShell.MarkdownRender/VT100EscapeSequences.cs

@@ -287,7 +287,7 @@ namespace Microsoft.PowerShell.MarkdownRender
         {
             if (optionInfo == null)
             {
-                throw new ArgumentNullException("optionInfo");
+                throw new ArgumentNullException(nameof(optionInfo));
             }
 
             options = optionInfo;

src/Microsoft.PowerShell.Security/security/AclCommands.cs

@@ -178,7 +178,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (instance == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
             else
             {
@@ -205,13 +205,13 @@ namespace Microsoft.PowerShell.Commands
         {
             if (instance == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             ObjectSecurity sd = instance.BaseObject as ObjectSecurity;
             if (sd == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             // Get owner
@@ -245,13 +245,13 @@ namespace Microsoft.PowerShell.Commands
         {
             if (instance == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             ObjectSecurity sd = instance.BaseObject as ObjectSecurity;
             if (sd == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             // Get Group
@@ -284,13 +284,13 @@ namespace Microsoft.PowerShell.Commands
         {
             if (instance == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             ObjectSecurity sd = instance.BaseObject as ObjectSecurity;
             if (sd == null)
             {
-                PSTraceSource.NewArgumentException("instance");
+                PSTraceSource.NewArgumentException(nameof(instance));
             }
 
             // Get DACL
@@ -323,13 +323,13 @@ namespace Microsoft.PowerShell.Commands
         {
             if (instance == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             ObjectSecurity sd = instance.BaseObject as ObjectSecurity;
             if (sd == null)
             {
-                PSTraceSource.NewArgumentException("instance");
+                PSTraceSource.NewArgumentException(nameof(instance));
             }
 
             AuthorizationRuleCollection sacl;
@@ -585,13 +585,13 @@ namespace Microsoft.PowerShell.Commands
         {
             if (instance == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             ObjectSecurity sd = instance.BaseObject as ObjectSecurity;
             if (sd == null)
             {
-                throw PSTraceSource.NewArgumentNullException("instance");
+                throw PSTraceSource.NewArgumentNullException(nameof(instance));
             }
 
             string sddl = sd.GetSecurityDescriptorSddlForm(AccessControlSections.All);

src/Microsoft.PowerShell.Security/security/CertificateProvider.cs

@@ -605,7 +605,7 @@ namespace Microsoft.PowerShell.Commands
                     X509StoreLocation user =
                         new X509StoreLocation(StoreLocation.CurrentUser);
                     s_storeLocations.Add(user);
-                    AddItemToCache(StoreLocation.CurrentUser.ToString(),
+                    AddItemToCache(nameof(StoreLocation.CurrentUser),
                                   user);
 
                     //
@@ -614,7 +614,7 @@ namespace Microsoft.PowerShell.Commands
                     X509StoreLocation machine =
                         new X509StoreLocation(StoreLocation.LocalMachine);
                     s_storeLocations.Add(machine);
-                    AddItemToCache(StoreLocation.LocalMachine.ToString(),
+                    AddItemToCache(nameof(StoreLocation.LocalMachine),
                                    machine);
 
                     AddItemToCache(string.Empty, s_storeLocations);
@@ -1324,7 +1324,7 @@ namespace Microsoft.PowerShell.Commands
 
             if (string.IsNullOrEmpty(path))
             {
-                throw PSTraceSource.NewArgumentException("path");
+                throw PSTraceSource.NewArgumentException(nameof(path));
             }
 
             // Normalize the path

src/Microsoft.PowerShell.Security/security/SignatureCommands.cs

@@ -555,7 +555,7 @@ namespace Microsoft.PowerShell.Commands
                         System.Globalization.CultureInfo.CurrentCulture,
                         UtilsStrings.FileSmallerThan4Bytes, filePath);
 
-                    PSArgumentException e = new PSArgumentException(message, "filePath");
+                    PSArgumentException e = new PSArgumentException(message, nameof(filePath));
                     ErrorRecord er = SecurityUtils.CreateInvalidArgumentErrorRecord(
                             e,
                             "SignatureCommandsBaseFileSmallerThan4Bytes"

src/Microsoft.WSMan.Management/CurrentConfigurations.cs

@@ -63,7 +63,7 @@ namespace Microsoft.WSMan.Management
         {
             if (serverSession == null)
             {
-                throw new ArgumentNullException("serverSession");
+                throw new ArgumentNullException(nameof(serverSession));
             }
 
             this.rootDocument = new XmlDocument();
@@ -81,7 +81,7 @@ namespace Microsoft.WSMan.Management
         {
             if (string.IsNullOrEmpty(responseOfGet))
             {
-                throw new ArgumentNullException("responseOfGet");
+                throw new ArgumentNullException(nameof(responseOfGet));
             }
 
             this.rootDocument.LoadXml(responseOfGet);
@@ -103,7 +103,7 @@ namespace Microsoft.WSMan.Management
         {
             if (string.IsNullOrEmpty(resourceUri))
             {
-                throw new ArgumentNullException("resourceUri");
+                throw new ArgumentNullException(nameof(resourceUri));
             }
 
             this.serverSession.Put(resourceUri, this.rootDocument.InnerXml, 0);
@@ -119,7 +119,7 @@ namespace Microsoft.WSMan.Management
         {
             if (pathToNodeFromRoot == null)
             {
-                throw new ArgumentNullException("pathToNodeFromRoot");
+                throw new ArgumentNullException(nameof(pathToNodeFromRoot));
             }
 
             XmlNode nodeToRemove =
@@ -136,7 +136,7 @@ namespace Microsoft.WSMan.Management
             }
             else
             {
-                throw new ArgumentException("Node is not present in the XML, Please give valid XPath", "pathToNodeFromRoot");
+                throw new ArgumentException("Node is not present in the XML, Please give valid XPath", nameof(pathToNodeFromRoot));
             }
         }
 
@@ -152,17 +152,17 @@ namespace Microsoft.WSMan.Management
         {
             if (pathToNodeFromRoot == null)
             {
-                throw new ArgumentNullException("pathToNodeFromRoot");
+                throw new ArgumentNullException(nameof(pathToNodeFromRoot));
             }
 
             if (string.IsNullOrEmpty(configurationName))
             {
-                throw new ArgumentNullException("configurationName");
+                throw new ArgumentNullException(nameof(configurationName));
             }
 
             if (configurationValue == null)
             {
-                throw new ArgumentNullException("configurationValue");
+                throw new ArgumentNullException(nameof(configurationValue));
             }
 
             XmlNode nodeToUpdate =
@@ -197,7 +197,7 @@ namespace Microsoft.WSMan.Management
         {
             if (pathFromRoot == null)
             {
-                throw new ArgumentNullException("pathFromRoot");
+                throw new ArgumentNullException(nameof(pathFromRoot));
             }
 
             XmlNode requiredNode =

src/Microsoft.WSMan.Management/WsManHelper.cs

@@ -180,12 +180,12 @@ namespace Microsoft.WSMan.Management
         {
             if (resourceManager == null)
             {
-                throw new ArgumentNullException("resourceManager");
+                throw new ArgumentNullException(nameof(resourceManager));
             }
 
             if (string.IsNullOrEmpty(resourceName))
             {
-                throw new ArgumentNullException("resourceName");
+                throw new ArgumentNullException(nameof(resourceName));
             }
 
             string template = resourceManager.GetString(resourceName);
@@ -478,7 +478,7 @@ namespace Microsoft.WSMan.Management
                                 if (string.IsNullOrEmpty(entry.Key.ToString()))
                                 {
                                     // XmlNode newnode = xmlfile.CreateNode(XmlNodeType.Attribute, ATTR_NIL_NAME, NS_XSI_URI);
-                                    XmlAttribute newnode = xmlfile.CreateAttribute(XmlNodeType.Attribute.ToString(), ATTR_NIL_NAME, NS_XSI_URI);
+                                    XmlAttribute newnode = xmlfile.CreateAttribute(nameof(XmlNodeType.Attribute), ATTR_NIL_NAME, NS_XSI_URI);
                                     newnode.Value = "true";
                                     node.Attributes.Append(newnode);
                                     // (newnode.Attributes.Item(0).FirstChild   );

src/System.Management.Automation/CoreCLR/CorePsAssemblyLoadContext.cs

@@ -78,7 +78,7 @@ namespace System.Management.Automation
                     if (!Directory.Exists(basePath))
                     {
                         string message = string.Format(CultureInfo.CurrentCulture, BaseFolderDoesNotExist, basePath);
-                        throw new ArgumentException(message, "basePaths");
+                        throw new ArgumentException(message, nameof(basePaths));
                     }
 
                     _probingPaths[i] = basePath.Trim();
@@ -582,7 +582,7 @@ namespace System.Management.Automation
         public static void SetPowerShellAssemblyLoadContext([MarshalAs(UnmanagedType.LPWStr)]string basePaths)
         {
             if (string.IsNullOrEmpty(basePaths))
-                throw new ArgumentNullException("basePaths");
+                throw new ArgumentNullException(nameof(basePaths));
 
             PowerShellAssemblyLoadContext.InitializeSingleton(basePaths);
         }

src/System.Management.Automation/DscSupport/CimDSCParser.cs

@@ -298,7 +298,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration
 
             if (engineIntrinsics == null)
             {
-                throw PSTraceSource.NewArgumentNullException("engineIntrinsics");
+                throw PSTraceSource.NewArgumentNullException(nameof(engineIntrinsics));
             }
 
             return PsUtils.EvaluatePowerShellDataFileAsModuleManifest(
@@ -372,7 +372,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration
         {
             if (string.IsNullOrEmpty(fullFilePath))
             {
-                throw PSTraceSource.NewArgumentNullException("fullFilePath");
+                throw PSTraceSource.NewArgumentNullException(nameof(fullFilePath));
             }
 
             if (!File.Exists(fullFilePath))
@@ -951,7 +951,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (string.IsNullOrEmpty(path))
             {
-                throw PSTraceSource.NewArgumentNullException("path");
+                throw PSTraceSource.NewArgumentNullException(nameof(path));
             }
 
             s_tracer.WriteLine("DSC ClassCache: importing file: {0}", path);
@@ -1179,7 +1179,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (string.IsNullOrWhiteSpace(fileName))
             {
-                throw PSTraceSource.NewArgumentNullException("fileName");
+                throw PSTraceSource.NewArgumentNullException(nameof(fileName));
             }
 
             List<CimClass> listCimClass;
@@ -1197,7 +1197,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (string.IsNullOrWhiteSpace(moduleName))
             {
-                throw PSTraceSource.NewArgumentNullException("moduleName");
+                throw PSTraceSource.NewArgumentNullException(nameof(moduleName));
             }
 
             var moduleFileName = moduleName + ".schema.mof";
@@ -1214,7 +1214,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (string.IsNullOrEmpty(path))
             {
-                throw PSTraceSource.NewArgumentNullException("path");
+                throw PSTraceSource.NewArgumentNullException(nameof(path));
             }
 
             var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback);
@@ -1256,7 +1256,7 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (string.IsNullOrEmpty(instanceText))
             {
-                throw PSTraceSource.NewArgumentNullException("instanceText");
+                throw PSTraceSource.NewArgumentNullException(nameof(instanceText));
             }
 
             var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback);
@@ -3220,12 +3220,12 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (module == null)
             {
-                throw PSTraceSource.NewArgumentNullException("module");
+                throw PSTraceSource.NewArgumentNullException(nameof(module));
             }
 
             if (resourceName == null)
             {
-                throw PSTraceSource.NewArgumentNullException("resourceName");
+                throw PSTraceSource.NewArgumentNullException(nameof(resourceName));
             }
 
             string dscResourcesPath = Path.Combine(module.ModuleBase, "DscResources");
@@ -3332,12 +3332,12 @@ namespace Microsoft.PowerShell.DesiredStateConfiguration.Internal
         {
             if (module == null)
             {
-                throw PSTraceSource.NewArgumentNullException("module");
+                throw PSTraceSource.NewArgumentNullException(nameof(module));
             }
 
             if (resourceName == null)
             {
-                throw PSTraceSource.NewArgumentNullException("resourceName");
+                throw PSTraceSource.NewArgumentNullException(nameof(resourceName));
             }
 
             schemaFilePath = Path.Combine(Path.Combine(Path.Combine(module.ModuleBase, "DscResources"), resourceName), resourceName + ".Schema.psm1");

src/System.Management.Automation/FormatAndOutput/common/BaseCommand.cs

@@ -18,7 +18,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         internal TerminatingErrorContext(PSCmdlet command)
         {
             if (command == null)
-                throw PSTraceSource.NewArgumentNullException("command");
+                throw PSTraceSource.NewArgumentNullException(nameof(command));
             _command = command;
         }
 

src/System.Management.Automation/FormatAndOutput/common/BaseFormattingCommandParameters.cs

@@ -171,7 +171,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (val == null)
             {
-                throw PSTraceSource.NewArgumentNullException("val");
+                throw PSTraceSource.NewArgumentNullException(nameof(val));
             }
 
             // need to check the type:
@@ -201,7 +201,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
                 return ex;
             }
 
-            PSTraceSource.NewArgumentException("val");
+            PSTraceSource.NewArgumentException(nameof(val));
             return null;
         }
 

src/System.Management.Automation/FormatAndOutput/common/BaseOutputtingCommand.cs

@@ -510,7 +510,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             // we assume FormatEntryData as a standard wrapper
             if (fed == null)
             {
-                PSTraceSource.NewArgumentNullException("fed");
+                PSTraceSource.NewArgumentNullException(nameof(fed));
             }
 
             if (fed.formatEntryInfo == null)

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/FormatTable.cs

@@ -87,7 +87,7 @@ namespace System.Management.Automation.Runspaces
         {
             if (info == null)
             {
-                throw new PSArgumentNullException("info");
+                throw new PSArgumentNullException(nameof(info));
             }
 
             int errorCount = info.GetInt32("ErrorCount");
@@ -114,7 +114,7 @@ namespace System.Management.Automation.Runspaces
         {
             if (info == null)
             {
-                throw new PSArgumentNullException("info");
+                throw new PSArgumentNullException(nameof(info));
             }
 
             base.GetObjectData(info, context);
@@ -207,7 +207,7 @@ namespace System.Management.Automation.Runspaces
         public void AppendFormatData(IEnumerable<ExtendedTypeDefinition> formatData)
         {
             if (formatData == null)
-                throw PSTraceSource.NewArgumentNullException("formatData");
+                throw PSTraceSource.NewArgumentNullException(nameof(formatData));
             _formatDBMgr.AddFormatData(formatData, false);
         }
 
@@ -226,7 +226,7 @@ namespace System.Management.Automation.Runspaces
         public void PrependFormatData(IEnumerable<ExtendedTypeDefinition> formatData)
         {
             if (formatData == null)
-                throw PSTraceSource.NewArgumentNullException("formatData");
+                throw PSTraceSource.NewArgumentNullException(nameof(formatData));
             _formatDBMgr.AddFormatData(formatData, true);
         }
 
@@ -253,7 +253,7 @@ namespace System.Management.Automation.Runspaces
         {
             if (formatFiles == null)
             {
-                throw PSTraceSource.NewArgumentNullException("formatFiles");
+                throw PSTraceSource.NewArgumentNullException(nameof(formatFiles));
             }
 
             _formatDBMgr = new TypeInfoDataBaseManager(formatFiles, true, authorizationManager, host);

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/displayDescriptionData.cs

@@ -376,22 +376,22 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (control is TableControlBody)
             {
-                return FormatShape.Table.ToString();
+                return nameof(FormatShape.Table);
             }
 
             if (control is ListControlBody)
             {
-                return FormatShape.List.ToString();
+                return nameof(FormatShape.List);
             }
 
             if (control is WideControlBody)
             {
-                return FormatShape.Wide.ToString();
+                return nameof(FormatShape.Wide);
             }
 
             if (control is ComplexControlBody)
             {
-                return FormatShape.Complex.ToString();
+                return nameof(FormatShape.Complex);
             }
 
             return string.Empty;
@@ -635,9 +635,9 @@ namespace System.Management.Automation
         public ExtendedTypeDefinition(string typeName, IEnumerable<FormatViewDefinition> viewDefinitions) : this()
         {
             if (string.IsNullOrEmpty(typeName))
-                throw PSTraceSource.NewArgumentNullException("typeName");
+                throw PSTraceSource.NewArgumentNullException(nameof(typeName));
             if (viewDefinitions == null)
-                throw PSTraceSource.NewArgumentNullException("viewDefinitions");
+                throw PSTraceSource.NewArgumentNullException(nameof(viewDefinitions));
 
             TypeNames.Add(typeName);
             foreach (FormatViewDefinition definition in viewDefinitions)
@@ -653,7 +653,7 @@ namespace System.Management.Automation
         public ExtendedTypeDefinition(string typeName) : this()
         {
             if (string.IsNullOrEmpty(typeName))
-                throw PSTraceSource.NewArgumentNullException("typeName");
+                throw PSTraceSource.NewArgumentNullException(nameof(typeName));
 
             TypeNames.Add(typeName);
         }
@@ -691,9 +691,9 @@ namespace System.Management.Automation
         public FormatViewDefinition(string name, PSControl control)
         {
             if (string.IsNullOrEmpty(name))
-                throw PSTraceSource.NewArgumentNullException("name");
+                throw PSTraceSource.NewArgumentNullException(nameof(name));
             if (control == null)
-                throw PSTraceSource.NewArgumentNullException("control");
+                throw PSTraceSource.NewArgumentNullException(nameof(control));
 
             Name = name;
             Control = control;
@@ -800,7 +800,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(value))
                 if (value == null || type == DisplayEntryValueType.Property)
-                    throw PSTraceSource.NewArgumentNullException("value");
+                    throw PSTraceSource.NewArgumentNullException(nameof(value));
 
             Value = value;
             ValueType = type;

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/displayDescriptionData_Complex.cs

@@ -420,13 +420,13 @@ namespace System.Management.Automation
             // Mutually exclusive
             if (leftIndent != 0 && rightIndent != 0)
             {
-                throw PSTraceSource.NewArgumentException("leftIndent");
+                throw PSTraceSource.NewArgumentException(nameof(leftIndent));
             }
 
             // Mutually exclusive
             if (firstLineHanging != 0 && firstLineIndent != 0)
             {
-                throw PSTraceSource.NewArgumentException("firstLineHanging");
+                throw PSTraceSource.NewArgumentException(nameof(firstLineHanging));
             }
 
             var frame = new CustomItemFrame

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/displayDescriptionData_List.cs

@@ -173,7 +173,7 @@ namespace System.Management.Automation
             : this()
         {
             if (entries == null)
-                throw PSTraceSource.NewArgumentNullException("entries");
+                throw PSTraceSource.NewArgumentNullException(nameof(entries));
             foreach (ListControlEntry entry in entries)
             {
                 this.Entries.Add(entry);
@@ -242,7 +242,7 @@ namespace System.Management.Automation
             : this()
         {
             if (listItems == null)
-                throw PSTraceSource.NewArgumentNullException("listItems");
+                throw PSTraceSource.NewArgumentNullException(nameof(listItems));
             foreach (ListControlEntryItem item in listItems)
             {
                 this.Items.Add(item);
@@ -253,9 +253,9 @@ namespace System.Management.Automation
         public ListControlEntry(IEnumerable<ListControlEntryItem> listItems, IEnumerable<string> selectedBy)
         {
             if (listItems == null)
-                throw PSTraceSource.NewArgumentNullException("listItems");
+                throw PSTraceSource.NewArgumentNullException(nameof(listItems));
             if (selectedBy == null)
-                throw PSTraceSource.NewArgumentNullException("selectedBy");
+                throw PSTraceSource.NewArgumentNullException(nameof(selectedBy));
 
             EntrySelectedBy = new EntrySelectedBy { TypeNames = new List<string>(selectedBy) };
             foreach (ListControlEntryItem item in listItems)

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/displayDescriptionData_Table.cs

@@ -306,7 +306,7 @@ namespace System.Management.Automation
             if (tableControlRow == null)
                 throw PSTraceSource.NewArgumentNullException("tableControlRows");
             if (tableControlColumnHeaders == null)
-                throw PSTraceSource.NewArgumentNullException("tableControlColumnHeaders");
+                throw PSTraceSource.NewArgumentNullException(nameof(tableControlColumnHeaders));
 
             this.Rows.Add(tableControlRow);
             foreach (TableControlColumnHeader header in tableControlColumnHeaders)
@@ -355,7 +355,7 @@ namespace System.Management.Automation
         public TableControlColumnHeader(string label, int width, Alignment alignment)
         {
             if (width < 0)
-                throw PSTraceSource.NewArgumentOutOfRangeException("width", width);
+                throw PSTraceSource.NewArgumentOutOfRangeException(nameof(width), width);
 
             this.Label = label;
             this.Width = width;
@@ -467,7 +467,7 @@ namespace System.Management.Automation
         public TableControlRow(IEnumerable<TableControlColumn> columns) : this()
         {
             if (columns == null)
-                throw PSTraceSource.NewArgumentNullException("columns");
+                throw PSTraceSource.NewArgumentNullException(nameof(columns));
             foreach (TableControlColumn column in columns)
             {
                 Columns.Add(column);
@@ -507,7 +507,7 @@ namespace System.Management.Automation
         private TableRowDefinitionBuilder AddItem(string value, DisplayEntryValueType entryType, Alignment alignment, string format)
         {
             if (string.IsNullOrEmpty(value))
-                throw PSTraceSource.NewArgumentException("value");
+                throw PSTraceSource.NewArgumentException(nameof(value));
 
             var tableControlColumn = new TableControlColumn(alignment, new DisplayEntry(value, entryType))
             {

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/displayDescriptionData_Wide.cs

@@ -145,7 +145,7 @@ namespace System.Management.Automation
         public WideControl(IEnumerable<WideControlEntryItem> wideEntries) : this()
         {
             if (wideEntries == null)
-                throw PSTraceSource.NewArgumentNullException("wideEntries");
+                throw PSTraceSource.NewArgumentNullException(nameof(wideEntries));
 
             foreach (WideControlEntryItem entryItem in wideEntries)
             {
@@ -157,7 +157,7 @@ namespace System.Management.Automation
         public WideControl(IEnumerable<WideControlEntryItem> wideEntries, uint columns) : this()
         {
             if (wideEntries == null)
-                throw PSTraceSource.NewArgumentNullException("wideEntries");
+                throw PSTraceSource.NewArgumentNullException(nameof(wideEntries));
 
             foreach (WideControlEntryItem entryItem in wideEntries)
             {
@@ -224,7 +224,7 @@ namespace System.Management.Automation
         public WideControlEntryItem(DisplayEntry entry) : this()
         {
             if (entry == null)
-                throw PSTraceSource.NewArgumentNullException("entry");
+                throw PSTraceSource.NewArgumentNullException(nameof(entry));
             this.DisplayEntry = entry;
         }
 
@@ -234,9 +234,9 @@ namespace System.Management.Automation
         public WideControlEntryItem(DisplayEntry entry, IEnumerable<string> selectedBy) : this()
         {
             if (entry == null)
-                throw PSTraceSource.NewArgumentNullException("entry");
+                throw PSTraceSource.NewArgumentNullException(nameof(entry));
             if (selectedBy == null)
-                throw PSTraceSource.NewArgumentNullException("selectedBy");
+                throw PSTraceSource.NewArgumentNullException(nameof(selectedBy));
 
             this.DisplayEntry = entry;
             this.EntrySelectedBy = EntrySelectedBy.Get(selectedBy, null);

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/typeDataManager.cs

@@ -79,7 +79,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             {
                 if (string.IsNullOrEmpty(formatFile) || (!Path.IsPathRooted(formatFile)))
                 {
-                    throw PSTraceSource.NewArgumentException("formatFiles", FormatAndOutXmlLoadingStrings.FormatFileNotRooted, formatFile);
+                    throw PSTraceSource.NewArgumentException(nameof(formatFiles), FormatAndOutXmlLoadingStrings.FormatFileNotRooted, formatFile);
                 }
 
                 PSSnapInTypeAndFormatErrors fileToLoad = new PSSnapInTypeAndFormatErrors(string.Empty, formatFile);
@@ -122,7 +122,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (string.IsNullOrEmpty(formatFile) || (!Path.IsPathRooted(formatFile)))
             {
-                throw PSTraceSource.NewArgumentException("formatFile", FormatAndOutXmlLoadingStrings.FormatFileNotRooted, formatFile);
+                throw PSTraceSource.NewArgumentException(nameof(formatFile), FormatAndOutXmlLoadingStrings.FormatFileNotRooted, formatFile);
             }
 
             lock (_formatFileList)

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/typeDataXmlLoader.cs

@@ -193,16 +193,16 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             bool preValidated)
         {
             if (info == null)
-                throw PSTraceSource.NewArgumentNullException("info");
+                throw PSTraceSource.NewArgumentNullException(nameof(info));
 
             if (info.filePath == null)
                 throw PSTraceSource.NewArgumentNullException("info.filePath");
 
             if (db == null)
-                throw PSTraceSource.NewArgumentNullException("db");
+                throw PSTraceSource.NewArgumentNullException(nameof(db));
 
             if (expressionFactory == null)
-                throw PSTraceSource.NewArgumentNullException("expressionFactory");
+                throw PSTraceSource.NewArgumentNullException(nameof(expressionFactory));
 
             if (SecuritySupport.IsProductBinary(info.filePath))
             {
@@ -288,13 +288,13 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             bool isForHelp)
         {
             if (typeDefinition == null)
-                throw PSTraceSource.NewArgumentNullException("typeDefinition");
+                throw PSTraceSource.NewArgumentNullException(nameof(typeDefinition));
             if (typeDefinition.TypeName == null)
                 throw PSTraceSource.NewArgumentNullException("typeDefinition.TypeName");
             if (db == null)
-                throw PSTraceSource.NewArgumentNullException("db");
+                throw PSTraceSource.NewArgumentNullException(nameof(db));
             if (expressionFactory == null)
-                throw PSTraceSource.NewArgumentNullException("expressionFactory");
+                throw PSTraceSource.NewArgumentNullException(nameof(expressionFactory));
 
             this.expressionFactory = expressionFactory;
             this.ReportTrace("loading ExtendedTypeDefinition started");
@@ -337,10 +337,10 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         private void LoadData(XmlDocument doc, TypeInfoDataBase db)
         {
             if (doc == null)
-                throw PSTraceSource.NewArgumentNullException("doc");
+                throw PSTraceSource.NewArgumentNullException(nameof(doc));
 
             if (db == null)
-                throw PSTraceSource.NewArgumentNullException("db");
+                throw PSTraceSource.NewArgumentNullException(nameof(db));
 
             // create a new instance of the database to be loaded
             XmlElement documentElement = doc.DocumentElement;
@@ -428,7 +428,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
                 throw PSTraceSource.NewArgumentNullException("viewDefinition");
 
             if (db == null)
-                throw PSTraceSource.NewArgumentNullException("db");
+                throw PSTraceSource.NewArgumentNullException(nameof(db));
 
             int viewIndex = 0;
             foreach (FormatViewDefinition formatView in typeDefinition.FormatViewDefinition)
@@ -2054,7 +2054,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             internal bool ProcessExpressionDirectives(XmlNode containerNode, List<XmlNode> unprocessedNodes)
             {
                 if (containerNode == null)
-                    throw PSTraceSource.NewArgumentNullException("containerNode");
+                    throw PSTraceSource.NewArgumentNullException(nameof(containerNode));
 
                 string formatString = null;
                 TextToken textToken = null;

src/System.Management.Automation/FormatAndOutput/common/DisplayDatabase/typeDataXmlLoader_Views.cs

@@ -201,10 +201,10 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         private bool LoadCommonViewData(XmlNode viewNode, ViewDefinition view, List<XmlNode> unprocessedNodes)
         {
             if (viewNode == null)
-                throw PSTraceSource.NewArgumentNullException("viewNode");
+                throw PSTraceSource.NewArgumentNullException(nameof(viewNode));
 
             if (view == null)
-                throw PSTraceSource.NewArgumentNullException("view");
+                throw PSTraceSource.NewArgumentNullException(nameof(view));
 
             // set loading information
             view.loadingInfo = this.LoadingInfo;

src/System.Management.Automation/FormatAndOutput/common/FormatViewGenerator_Complex.cs

@@ -93,7 +93,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (control == null)
             {
-                throw PSTraceSource.NewArgumentNullException("control");
+                throw PSTraceSource.NewArgumentNullException(nameof(control));
             }
 
             ExecuteFormatControl(new TraversalInfo(0, maxTreeDepth), control,
@@ -190,7 +190,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (so == null)
             {
-                throw PSTraceSource.NewArgumentNullException("so");
+                throw PSTraceSource.NewArgumentNullException(nameof(so));
             }
 
             // guard against infinite loop

src/System.Management.Automation/FormatAndOutput/common/FormattingObjectsDeserializer.cs

@@ -142,7 +142,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             string msg = StringUtil.Format(FormatAndOut_format_xxx.FOD_ClassIdInvalid, classId);
 
             ErrorRecord errorRecord = new ErrorRecord(
-                                            PSTraceSource.NewArgumentException("classId"),
+                                            PSTraceSource.NewArgumentException(nameof(classId)),
                                             errorId,
                                             ErrorCategory.InvalidData,
                                             obj);
@@ -217,7 +217,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
                 string msg = StringUtil.Format(FormatAndOut_format_xxx.FOD_RecursiveProperty, property);
 
                 ErrorRecord errorRecord = new ErrorRecord(
-                                PSTraceSource.NewArgumentException("property"),
+                                PSTraceSource.NewArgumentException(nameof(property)),
                                 "FormatObjectDeserializerRecursiveProperty",
                                 ErrorCategory.InvalidData,
                                 so);
@@ -247,7 +247,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
                 string msg = StringUtil.Format(FormatAndOut_format_xxx.FOD_InvalidPropertyType, t.Name, property);
 
                 ErrorRecord errorRecord = new ErrorRecord(
-                                PSTraceSource.NewArgumentException("property"),
+                                PSTraceSource.NewArgumentException(nameof(property)),
                                 "FormatObjectDeserializerInvalidPropertyType",
                                 ErrorCategory.InvalidData,
                                 so);
@@ -392,7 +392,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (so == null)
             {
-                throw PSTraceSource.NewArgumentNullException("so");
+                throw PSTraceSource.NewArgumentNullException(nameof(so));
             }
 
             // look for the property that defines the type of object
@@ -421,7 +421,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             Func<FormatInfoData> ctor;
             if (!s_constructors.TryGetValue(clsid, out ctor))
             {
-                CreateInstanceError(PSTraceSource.NewArgumentException("clsid"), clsid, deserializer);
+                CreateInstanceError(PSTraceSource.NewArgumentException(nameof(clsid)), clsid, deserializer);
                 return null;
             }
 
@@ -504,7 +504,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         {
             if (lst == null)
             {
-                throw PSTraceSource.NewArgumentNullException("lst");
+                throw PSTraceSource.NewArgumentNullException(nameof(lst));
             }
 
             object memberRaw = FormatObjectDeserializer.GetProperty(so, property);

src/System.Management.Automation/FormatAndOutput/common/ILineOutput.cs

@@ -282,9 +282,9 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         internal WriteLineHelper(bool lineWrap, WriteCallback wlc, WriteCallback wc, DisplayCells displayCells)
         {
             if (wlc == null)
-                throw PSTraceSource.NewArgumentNullException("wlc");
+                throw PSTraceSource.NewArgumentNullException(nameof(wlc));
             if (displayCells == null)
-                throw PSTraceSource.NewArgumentNullException("displayCells");
+                throw PSTraceSource.NewArgumentNullException(nameof(displayCells));
 
             _displayCells = displayCells;
             _writeLineCall = wlc;
@@ -474,7 +474,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             : base(culture)
         {
             if (writeCall == null)
-                throw PSTraceSource.NewArgumentNullException("writeCall");
+                throw PSTraceSource.NewArgumentNullException(nameof(writeCall));
 
             _writeCall = writeCall;
         }

src/System.Management.Automation/FormatAndOutput/common/Utilities/MshParameter.cs

@@ -140,7 +140,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         internal HashtableEntryDefinition MatchEntry(string keyName, TerminatingErrorContext invocationContext)
         {
             if (string.IsNullOrEmpty(keyName))
-                PSTraceSource.NewArgumentNullException("keyName");
+                PSTraceSource.NewArgumentNullException(nameof(keyName));
 
             HashtableEntryDefinition matchingEntry = null;
             for (int k = 0; k < this.hashEntries.Count; k++)

src/System.Management.Automation/FormatAndOutput/common/Utilities/MshParameterAssociation.cs

@@ -23,7 +23,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         internal MshResolvedExpressionParameterAssociation(MshParameter parameter, PSPropertyExpression expression)
         {
             if (expression == null)
-                throw PSTraceSource.NewArgumentNullException("expression");
+                throw PSTraceSource.NewArgumentNullException(nameof(expression));
 
             OriginatingParameter = parameter;
             ResolvedExpression = expression;

src/System.Management.Automation/FormatAndOutput/common/Utilities/Mshexpression.cs

@@ -71,7 +71,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (string.IsNullOrEmpty(s))
             {
-                throw PSTraceSource.NewArgumentNullException("s");
+                throw PSTraceSource.NewArgumentNullException(nameof(s));
             }
 
             _stringValue = s;
@@ -87,7 +87,7 @@ namespace Microsoft.PowerShell.Commands
         {
             if (scriptBlock == null)
             {
-                throw PSTraceSource.NewArgumentNullException("scriptBlock");
+                throw PSTraceSource.NewArgumentNullException(nameof(scriptBlock));
             }
 
             Script = scriptBlock;

src/System.Management.Automation/FormatAndOutput/out-console/ConsoleLineOutput.cs

@@ -252,9 +252,9 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
         internal ConsoleLineOutput(PSHostUserInterface hostConsole, bool paging, TerminatingErrorContext errorContext)
         {
             if (hostConsole == null)
-                throw PSTraceSource.NewArgumentNullException("hostConsole");
+                throw PSTraceSource.NewArgumentNullException(nameof(hostConsole));
             if (errorContext == null)
-                throw PSTraceSource.NewArgumentNullException("errorContext");
+                throw PSTraceSource.NewArgumentNullException(nameof(errorContext));
 
             _console = hostConsole;
             _errorContext = errorContext;
@@ -474,7 +474,7 @@ namespace Microsoft.PowerShell.Commands.Internal.Format
             internal PromptHandler(string s, ConsoleLineOutput cmdlet)
             {
                 if (string.IsNullOrEmpty(s))
-                    throw PSTraceSource.NewArgumentNullException("s");
+                    throw PSTraceSource.NewArgumentNullException(nameof(s));
 
                 _promptString = s;
                 _callingCmdlet = cmdlet;

src/System.Management.Automation/cimSupport/cmdletization/MethodInvocationInfo.cs

@@ -21,8 +21,8 @@ namespace Microsoft.PowerShell.Cmdletization
         /// <param name="returnValue">Return value of the method (ok to pass <c>null</c> if the method doesn't return anything).</param>
         public MethodInvocationInfo(string name, IEnumerable<MethodParameter> parameters, MethodParameter returnValue)
         {
-            if (name == null) throw new ArgumentNullException("name");
-            if (parameters == null) throw new ArgumentNullException("parameters");
+            if (name == null) throw new ArgumentNullException(nameof(name));
+            if (parameters == null) throw new ArgumentNullException(nameof(parameters));
             // returnValue can be null
 
             MethodName = name;

src/System.Management.Automation/cimSupport/cmdletization/ObjectModelWrapper.cs

@@ -19,22 +19,22 @@ namespace Microsoft.PowerShell.Cmdletization
         {
             if (cmdlet == null)
             {
-                throw new ArgumentNullException("cmdlet");
+                throw new ArgumentNullException(nameof(cmdlet));
             }
 
             if (string.IsNullOrEmpty(className))
             {
-                throw new ArgumentNullException("className");
+                throw new ArgumentNullException(nameof(className));
             }
 
             if (classVersion == null) // possible and ok to have classVersion==string.Empty
             {
-                throw new ArgumentNullException("classVersion");
+                throw new ArgumentNullException(nameof(classVersion));
             }
 
             if (privateData == null)
             {
-                throw new ArgumentNullException("privateData");
+                throw new ArgumentNullException(nameof(privateData));
             }
 
             _cmdlet = cmdlet;

src/System.Management.Automation/cimSupport/other/ciminstancetypeadapter.cs

@@ -105,7 +105,7 @@ namespace Microsoft.PowerShell.Cim
         {
             if (propertyName == null)
             {
-                throw new PSArgumentNullException("propertyName");
+                throw new PSArgumentNullException(nameof(propertyName));
             }
 
             // baseObject should never be null
@@ -199,7 +199,7 @@ namespace Microsoft.PowerShell.Cim
         {
             if (adaptedProperty == null)
             {
-                throw new ArgumentNullException("adaptedProperty");
+                throw new ArgumentNullException(nameof(adaptedProperty));
             }
 
             CimProperty cimProperty = adaptedProperty.Tag as CimProperty;
@@ -213,7 +213,7 @@ namespace Microsoft.PowerShell.Cim
                 return ToStringCodeMethods.Type(typeof(string));
             }
 
-            throw new ArgumentNullException("adaptedProperty");
+            throw new ArgumentNullException(nameof(adaptedProperty));
         }
 
         /// <summary>
@@ -224,7 +224,7 @@ namespace Microsoft.PowerShell.Cim
         {
             if (adaptedProperty == null)
             {
-                throw new ArgumentNullException("adaptedProperty");
+                throw new ArgumentNullException(nameof(adaptedProperty));
             }
 
             CimProperty cimProperty = adaptedProperty.Tag as CimProperty;
@@ -239,7 +239,7 @@ namespace Microsoft.PowerShell.Cim
                 return cimInstance.GetCimSessionComputerName();
             }
 
-            throw new ArgumentNullException("adaptedProperty");
+            throw new ArgumentNullException(nameof(adaptedProperty));
         }
 
         private void AddTypeNameHierarchy(IList<string> typeNamesWithNamespace, IList<string> typeNamesWithoutNamespace, string namespaceName, string className)
@@ -288,7 +288,7 @@ namespace Microsoft.PowerShell.Cim
             var cimInstance = baseObject as CimInstance;
             if (cimInstance == null)
             {
-                throw new ArgumentNullException("baseObject");
+                throw new ArgumentNullException(nameof(baseObject));
             }
 
             var typeNamesWithNamespace = new List<string>();
@@ -381,7 +381,7 @@ namespace Microsoft.PowerShell.Cim
         {
             if (adaptedProperty == null)
             {
-                throw new ArgumentNullException("adaptedProperty");
+                throw new ArgumentNullException(nameof(adaptedProperty));
             }
 
             if (!IsSettable(adaptedProperty))

src/System.Management.Automation/engine/ApplicationInfo.cs

@@ -39,12 +39,12 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(path))
             {
-                throw PSTraceSource.NewArgumentException("path");
+                throw PSTraceSource.NewArgumentException(nameof(path));
             }
 
             if (context == null)
             {
-                throw PSTraceSource.NewArgumentNullException("context");
+                throw PSTraceSource.NewArgumentNullException(nameof(context));
             }
 
             Path = path;

src/System.Management.Automation/engine/ChildrenCmdletProviderInterfaces.cs

@@ -35,7 +35,7 @@ namespace System.Management.Automation
         {
             if (cmdlet == null)
             {
-                throw PSTraceSource.NewArgumentNullException("cmdlet");
+                throw PSTraceSource.NewArgumentNullException(nameof(cmdlet));
             }
 
             _cmdlet = cmdlet;
@@ -55,7 +55,7 @@ namespace System.Management.Automation
         {
             if (sessionState == null)
             {
-                throw PSTraceSource.NewArgumentNullException("sessionState");
+                throw PSTraceSource.NewArgumentNullException(nameof(sessionState));
             }
 
             _sessionState = sessionState;

src/System.Management.Automation/engine/CmdletFamilyProviderInterfaces.cs

@@ -38,7 +38,7 @@ namespace System.Management.Automation
         {
             if (cmdlet == null)
             {
-                throw PSTraceSource.NewArgumentNullException("cmdlet");
+                throw PSTraceSource.NewArgumentNullException(nameof(cmdlet));
             }
 
             _cmdlet = cmdlet;
@@ -59,7 +59,7 @@ namespace System.Management.Automation
         {
             if (sessionState == null)
             {
-                throw PSTraceSource.NewArgumentNullException("sessionState");
+                throw PSTraceSource.NewArgumentNullException(nameof(sessionState));
             }
 
             Item = new ItemCmdletProviderIntrinsics(sessionState);

src/System.Management.Automation/engine/CmdletInfo.cs

@@ -44,7 +44,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(name))
             {
-                throw PSTraceSource.NewArgumentException("name");
+                throw PSTraceSource.NewArgumentException(nameof(name));
             }
 
             // Get the verb and noun from the name
@@ -52,7 +52,7 @@ namespace System.Management.Automation
             {
                 throw
                     PSTraceSource.NewArgumentException(
-                        "name",
+                        nameof(name),
                         DiscoveryExceptions.InvalidCmdletNameFormat,
                         name);
             }
@@ -105,12 +105,12 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(name))
             {
-                throw PSTraceSource.NewArgumentNullException("name");
+                throw PSTraceSource.NewArgumentNullException(nameof(name));
             }
 
             if (implementingType == null)
             {
-                throw PSTraceSource.NewArgumentNullException("name");
+                throw PSTraceSource.NewArgumentNullException(nameof(name));
             }
 
             if (!typeof(Cmdlet).IsAssignableFrom(implementingType))
@@ -123,7 +123,7 @@ namespace System.Management.Automation
             {
                 throw
                     PSTraceSource.NewArgumentException(
-                        "name",
+                        nameof(name),
                         DiscoveryExceptions.InvalidCmdletNameFormat,
                         name);
             }

src/System.Management.Automation/engine/CmdletParameterBinderController.cs

@@ -54,12 +54,12 @@ namespace System.Management.Automation
         {
             if (cmdlet == null)
             {
-                throw PSTraceSource.NewArgumentNullException("cmdlet");
+                throw PSTraceSource.NewArgumentNullException(nameof(cmdlet));
             }
 
             if (commandMetadata == null)
             {
-                throw PSTraceSource.NewArgumentNullException("commandMetadata");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandMetadata));
             }
 
             this.Command = cmdlet;
@@ -4275,7 +4275,7 @@ namespace System.Management.Automation
         {
             if (parameters == null)
             {
-                throw PSTraceSource.NewArgumentNullException("parameters");
+                throw PSTraceSource.NewArgumentNullException(nameof(parameters));
             }
 
             // Get all the matching arguments from the defaultParameterValues collection
@@ -4409,7 +4409,7 @@ namespace System.Management.Automation
         {
             if (dictionary == null)
             {
-                throw PSTraceSource.NewArgumentNullException("dictionary");
+                throw PSTraceSource.NewArgumentNullException(nameof(dictionary));
             }
             // Contains keys that are in bad format. For every bad format key, we should write out a warning message
             // the first time we encounter it, and remove it from the $PSDefaultParameterValues
@@ -4481,7 +4481,7 @@ namespace System.Management.Automation
         {
             if (key == null)
             {
-                throw PSTraceSource.NewArgumentNullException("key");
+                throw PSTraceSource.NewArgumentNullException(nameof(key));
             }
 
             var strKey = key as string;
@@ -4508,13 +4508,13 @@ namespace System.Management.Automation
         {
             if (key == null)
             {
-                throw PSTraceSource.NewArgumentNullException("key");
+                throw PSTraceSource.NewArgumentNullException(nameof(key));
             }
 
             var strKey = key as string;
             if (strKey == null)
             {
-                throw PSTraceSource.NewArgumentException("key", ParameterBinderStrings.StringValueKeyExpected, key, key.GetType().FullName);
+                throw PSTraceSource.NewArgumentException(nameof(key), ParameterBinderStrings.StringValueKeyExpected, key, key.GetType().FullName);
             }
 
             string keyAfterTrim = strKey.Trim();
@@ -4530,7 +4530,7 @@ namespace System.Management.Automation
                     return;
                 }
 
-                throw PSTraceSource.NewArgumentException("key", ParameterBinderStrings.KeyAlreadyAdded, key);
+                throw PSTraceSource.NewArgumentException(nameof(key), ParameterBinderStrings.KeyAlreadyAdded, key);
             }
 
             if (!CheckKeyIsValid(keyAfterTrim, ref cmdletName, ref parameterName))
@@ -4555,7 +4555,7 @@ namespace System.Management.Automation
         {
             get
             {
-                if (key == null) { throw PSTraceSource.NewArgumentNullException("key"); }
+                if (key == null) { throw PSTraceSource.NewArgumentNullException(nameof(key)); }
 
                 var strKey = key as string;
                 if (strKey == null) { return null; }
@@ -4578,7 +4578,7 @@ namespace System.Management.Automation
         {
             if (key == null)
             {
-                throw PSTraceSource.NewArgumentNullException("key");
+                throw PSTraceSource.NewArgumentNullException(nameof(key));
             }
 
             var strKey = key as string;

src/System.Management.Automation/engine/CodeMethods.cs

@@ -67,7 +67,7 @@ namespace Microsoft.PowerShell
         {
             if (largeIntegerInstance == null)
             {
-                throw PSTraceSource.NewArgumentException("largeIntegerInstance");
+                throw PSTraceSource.NewArgumentException(nameof(largeIntegerInstance));
             }
 
             object largeIntObject = (object)largeIntegerInstance.BaseObject;
@@ -111,7 +111,7 @@ namespace Microsoft.PowerShell
         {
             if (dnWithBinaryInstance == null)
             {
-                throw PSTraceSource.NewArgumentException("dnWithBinaryInstance");
+                throw PSTraceSource.NewArgumentException(nameof(dnWithBinaryInstance));
             }
 
             object dnWithBinaryObject = (object)dnWithBinaryInstance.BaseObject;

src/System.Management.Automation/engine/CommandBase.cs

@@ -484,7 +484,7 @@ namespace System.Management.Automation
             {
                 if (providerId == null)
                 {
-                    throw PSTraceSource.NewArgumentNullException("providerId");
+                    throw PSTraceSource.NewArgumentNullException(nameof(providerId));
                 }
 
                 PathInfo result = SessionState.Path.CurrentProviderLocation(providerId);

src/System.Management.Automation/engine/CommandCompletion/CommandCompletion.cs

@@ -72,7 +72,7 @@ namespace System.Management.Automation
         {
             if (cursorIndex > input.Length)
             {
-                throw PSTraceSource.NewArgumentException("cursorIndex");
+                throw PSTraceSource.NewArgumentException(nameof(cursorIndex));
             }
 
             Token[] tokens;
@@ -112,17 +112,17 @@ namespace System.Management.Automation
         {
             if (ast == null)
             {
-                throw PSTraceSource.NewArgumentNullException("ast");
+                throw PSTraceSource.NewArgumentNullException(nameof(ast));
             }
 
             if (tokens == null)
             {
-                throw PSTraceSource.NewArgumentNullException("tokens");
+                throw PSTraceSource.NewArgumentNullException(nameof(tokens));
             }
 
             if (positionOfCursor == null)
             {
-                throw PSTraceSource.NewArgumentNullException("positionOfCursor");
+                throw PSTraceSource.NewArgumentNullException(nameof(positionOfCursor));
             }
 
             return CompleteInputImpl(ast, tokens, positionOfCursor, options);
@@ -147,12 +147,12 @@ namespace System.Management.Automation
 
             if (cursorIndex > input.Length)
             {
-                throw PSTraceSource.NewArgumentException("cursorIndex");
+                throw PSTraceSource.NewArgumentException(nameof(cursorIndex));
             }
 
             if (powershell == null)
             {
-                throw PSTraceSource.NewArgumentNullException("powershell");
+                throw PSTraceSource.NewArgumentNullException(nameof(powershell));
             }
 
             // If we are in a debugger stop, let the debugger do the command completion.
@@ -216,22 +216,22 @@ namespace System.Management.Automation
         {
             if (ast == null)
             {
-                throw PSTraceSource.NewArgumentNullException("ast");
+                throw PSTraceSource.NewArgumentNullException(nameof(ast));
             }
 
             if (tokens == null)
             {
-                throw PSTraceSource.NewArgumentNullException("tokens");
+                throw PSTraceSource.NewArgumentNullException(nameof(tokens));
             }
 
             if (cursorPosition == null)
             {
-                throw PSTraceSource.NewArgumentNullException("cursorPosition");
+                throw PSTraceSource.NewArgumentNullException(nameof(cursorPosition));
             }
 
             if (powershell == null)
             {
-                throw PSTraceSource.NewArgumentNullException("powershell");
+                throw PSTraceSource.NewArgumentNullException(nameof(powershell));
             }
 
             // If we are in a debugger stop, let the debugger do the command completion.
@@ -334,12 +334,12 @@ namespace System.Management.Automation
 
             if (cursorIndex > input.Length)
             {
-                throw PSTraceSource.NewArgumentException("cursorIndex");
+                throw PSTraceSource.NewArgumentException(nameof(cursorIndex));
             }
 
             if (debugger == null)
             {
-                throw PSTraceSource.NewArgumentNullException("debugger");
+                throw PSTraceSource.NewArgumentNullException(nameof(debugger));
             }
 
             Command cmd = new Command("TabExpansion2");
@@ -363,22 +363,22 @@ namespace System.Management.Automation
         {
             if (ast == null)
             {
-                throw PSTraceSource.NewArgumentNullException("ast");
+                throw PSTraceSource.NewArgumentNullException(nameof(ast));
             }
 
             if (tokens == null)
             {
-                throw PSTraceSource.NewArgumentNullException("tokens");
+                throw PSTraceSource.NewArgumentNullException(nameof(tokens));
             }
 
             if (cursorPosition == null)
             {
-                throw PSTraceSource.NewArgumentNullException("cursorPosition");
+                throw PSTraceSource.NewArgumentNullException(nameof(cursorPosition));
             }
 
             if (debugger == null)
             {
-                throw PSTraceSource.NewArgumentNullException("debugger");
+                throw PSTraceSource.NewArgumentNullException(nameof(debugger));
             }
 
             // For remote debugging just pass string input.

src/System.Management.Automation/engine/CommandCompletion/CompletionCompleters.cs

@@ -207,7 +207,7 @@ namespace System.Management.Automation
         }
 
         private static readonly HashSet<string> s_keywordsToExcludeFromAddingAmpersand
-            = new HashSet<string>(StringComparer.OrdinalIgnoreCase) { TokenKind.InlineScript.ToString(), TokenKind.Configuration.ToString() };
+            = new HashSet<string>(StringComparer.OrdinalIgnoreCase) { nameof(TokenKind.InlineScript), nameof(TokenKind.Configuration) };
         internal static CompletionResult GetCommandNameCompletionResult(string name, object command, bool addAmpersandIfNecessary, string quote)
         {
             string syntax = name, listItem = name;

src/System.Management.Automation/engine/CommandCompletion/CompletionResult.cs

@@ -170,22 +170,22 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(completionText))
             {
-                throw PSTraceSource.NewArgumentNullException("completionText");
+                throw PSTraceSource.NewArgumentNullException(nameof(completionText));
             }
 
             if (string.IsNullOrEmpty(listItemText))
             {
-                throw PSTraceSource.NewArgumentNullException("listItemText");
+                throw PSTraceSource.NewArgumentNullException(nameof(listItemText));
             }
 
             if (resultType < CompletionResultType.Text || resultType > CompletionResultType.DynamicKeyword)
             {
-                throw PSTraceSource.NewArgumentOutOfRangeException("resultType", resultType);
+                throw PSTraceSource.NewArgumentOutOfRangeException(nameof(resultType), resultType);
             }
 
             if (string.IsNullOrEmpty(toolTip))
             {
-                throw PSTraceSource.NewArgumentNullException("toolTip");
+                throw PSTraceSource.NewArgumentNullException(nameof(toolTip));
             }
 
             _completionText = completionText;

src/System.Management.Automation/engine/CommandCompletion/ExtensibleCompletion.cs

@@ -34,7 +34,7 @@ namespace System.Management.Automation
         {
             if (type == null || (type.GetInterfaces().All(t => t != typeof(IArgumentCompleter))))
             {
-                throw PSTraceSource.NewArgumentException("type");
+                throw PSTraceSource.NewArgumentException(nameof(type));
             }
 
             Type = type;
@@ -48,7 +48,7 @@ namespace System.Management.Automation
         {
             if (scriptBlock == null)
             {
-                throw PSTraceSource.NewArgumentNullException("scriptBlock");
+                throw PSTraceSource.NewArgumentNullException(nameof(scriptBlock));
             }
 
             ScriptBlock = scriptBlock;
@@ -176,12 +176,12 @@ namespace System.Management.Automation
         {
             if (completions == null)
             {
-                throw PSTraceSource.NewArgumentNullException("completions");
+                throw PSTraceSource.NewArgumentNullException(nameof(completions));
             }
 
             if (completions.Length == 0)
             {
-                throw PSTraceSource.NewArgumentOutOfRangeException("completions", completions);
+                throw PSTraceSource.NewArgumentOutOfRangeException(nameof(completions), completions);
             }
 
             _completions = completions;

src/System.Management.Automation/engine/CommandCompletion/PseudoParameterBinder.cs

@@ -75,7 +75,7 @@ namespace System.Management.Automation.Language
         internal PipeObjectPair(string parameterName, Type pipeObjType)
         {
             if (parameterName == null)
-                throw PSTraceSource.NewArgumentNullException("parameterName");
+                throw PSTraceSource.NewArgumentNullException(nameof(parameterName));
 
             Parameter = null;
             ParameterArgumentType = AstParameterArgumentType.PipeObject;
@@ -96,9 +96,9 @@ namespace System.Management.Automation.Language
         internal AstArrayPair(string parameterName, ICollection<ExpressionAst> arguments)
         {
             if (parameterName == null)
-                throw PSTraceSource.NewArgumentNullException("parameterName");
+                throw PSTraceSource.NewArgumentNullException(nameof(parameterName));
             if (arguments == null || arguments.Count == 0)
-                throw PSTraceSource.NewArgumentNullException("arguments");
+                throw PSTraceSource.NewArgumentNullException(nameof(arguments));
 
             Parameter = null;
             ParameterArgumentType = AstParameterArgumentType.AstArray;
@@ -125,7 +125,7 @@ namespace System.Management.Automation.Language
         internal FakePair(CommandParameterAst parameterAst)
         {
             if (parameterAst == null)
-                throw PSTraceSource.NewArgumentNullException("parameterAst");
+                throw PSTraceSource.NewArgumentNullException(nameof(parameterAst));
 
             Parameter = parameterAst;
             ParameterArgumentType = AstParameterArgumentType.Fake;
@@ -145,7 +145,7 @@ namespace System.Management.Automation.Language
         internal SwitchPair(CommandParameterAst parameterAst)
         {
             if (parameterAst == null)
-                throw PSTraceSource.NewArgumentNullException("parameterAst");
+                throw PSTraceSource.NewArgumentNullException(nameof(parameterAst));
 
             Parameter = parameterAst;
             ParameterArgumentType = AstParameterArgumentType.Switch;
@@ -175,7 +175,7 @@ namespace System.Management.Automation.Language
         internal AstPair(CommandParameterAst parameterAst)
         {
             if (parameterAst == null || parameterAst.Argument == null)
-                throw PSTraceSource.NewArgumentException("parameterAst");
+                throw PSTraceSource.NewArgumentException(nameof(parameterAst));
 
             Parameter = parameterAst;
             ParameterArgumentType = AstParameterArgumentType.AstPair;
@@ -192,10 +192,10 @@ namespace System.Management.Automation.Language
         internal AstPair(CommandParameterAst parameterAst, ExpressionAst argumentAst)
         {
             if (parameterAst != null && parameterAst.Argument != null)
-                throw PSTraceSource.NewArgumentException("parameterAst");
+                throw PSTraceSource.NewArgumentException(nameof(parameterAst));
 
             if (parameterAst == null && argumentAst == null)
-                throw PSTraceSource.NewArgumentNullException("argumentAst");
+                throw PSTraceSource.NewArgumentNullException(nameof(argumentAst));
 
             Parameter = parameterAst;
             ParameterArgumentType = AstParameterArgumentType.AstPair;
@@ -212,10 +212,10 @@ namespace System.Management.Automation.Language
         internal AstPair(CommandParameterAst parameterAst, CommandElementAst argumentAst)
         {
             if (parameterAst != null && parameterAst.Argument != null)
-                throw PSTraceSource.NewArgumentException("parameterAst");
+                throw PSTraceSource.NewArgumentException(nameof(parameterAst));
 
             if (parameterAst == null || argumentAst == null)
-                throw PSTraceSource.NewArgumentNullException("argumentAst");
+                throw PSTraceSource.NewArgumentNullException(nameof(argumentAst));
 
             Parameter = parameterAst;
             ParameterArgumentType = AstParameterArgumentType.AstPair;
@@ -949,7 +949,7 @@ namespace System.Management.Automation.Language
         {
             if (command == null)
             {
-                throw PSTraceSource.NewArgumentNullException("command");
+                throw PSTraceSource.NewArgumentNullException(nameof(command));
             }
 
             // initialize/reset the private members

src/System.Management.Automation/engine/CommandDiscovery.cs

@@ -133,7 +133,7 @@ namespace System.Management.Automation
         {
             if (context == null)
             {
-                throw PSTraceSource.NewArgumentNullException("context");
+                throw PSTraceSource.NewArgumentNullException(nameof(context));
             }
 
             Context = context;
@@ -202,7 +202,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(name))
             {
-                throw PSTraceSource.NewArgumentException("name");
+                throw PSTraceSource.NewArgumentException(nameof(name));
             }
 
             if (newCmdletInfo == null)
@@ -1525,7 +1525,7 @@ namespace System.Management.Automation
 
             if (context == null)
             {
-                throw PSTraceSource.NewArgumentNullException("context");
+                throw PSTraceSource.NewArgumentNullException(nameof(context));
             }
 
             // check the PSVariable
@@ -1687,7 +1687,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(item))
             {
-                throw PSTraceSource.NewArgumentException("item");
+                throw PSTraceSource.NewArgumentException(nameof(item));
             }
 
             int result = -1;

src/System.Management.Automation/engine/CommandInfo.cs

@@ -112,7 +112,7 @@ namespace System.Management.Automation
 
             if (name == null)
             {
-                throw new ArgumentNullException("name");
+                throw new ArgumentNullException(nameof(name));
             }
 
             Name = name;
@@ -287,7 +287,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(newName))
             {
-                throw new ArgumentNullException("newName");
+                throw new ArgumentNullException(nameof(newName));
             }
 
             Name = newName;
@@ -800,7 +800,7 @@ namespace System.Management.Automation
         {
             if (typeDefinitionAst == null)
             {
-                throw PSTraceSource.NewArgumentNullException("typeDefinitionAst");
+                throw PSTraceSource.NewArgumentNullException(nameof(typeDefinitionAst));
             }
 
             TypeDefinitionAst = typeDefinitionAst;
@@ -814,7 +814,7 @@ namespace System.Management.Automation
         {
             if (typeName == null)
             {
-                throw PSTraceSource.NewArgumentNullException("typeName");
+                throw PSTraceSource.NewArgumentNullException(nameof(typeName));
             }
 
             _type = typeName.GetReflectionType();

src/System.Management.Automation/engine/CommandMetadata.cs

@@ -105,7 +105,7 @@ namespace System.Management.Automation
         {
             if (commandInfo == null)
             {
-                throw PSTraceSource.NewArgumentNullException("commandInfo");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandInfo));
             }
             while (commandInfo is AliasInfo)
             {
@@ -162,7 +162,7 @@ namespace System.Management.Automation
         {
             if (other == null)
             {
-                throw PSTraceSource.NewArgumentNullException("other");
+                throw PSTraceSource.NewArgumentNullException(nameof(other));
             }
 
             Name = other.Name;
@@ -315,7 +315,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentException("commandName");
+                throw PSTraceSource.NewArgumentException(nameof(commandName));
             }
 
             CommandMetadata result = null;
@@ -369,7 +369,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(commandName))
             {
-                throw PSTraceSource.NewArgumentException("commandName");
+                throw PSTraceSource.NewArgumentException(nameof(commandName));
             }
 
             Name = commandName;
@@ -412,7 +412,7 @@ namespace System.Management.Automation
         {
             if (scriptblock == null)
             {
-                throw PSTraceSource.NewArgumentException("scriptblock");
+                throw PSTraceSource.NewArgumentException(nameof(scriptblock));
             }
 
             CmdletBindingAttribute cmdletBindingAttribute = scriptblock.CmdletBindingAttribute;
@@ -725,7 +725,7 @@ namespace System.Management.Automation
         {
             if (attribute == null)
             {
-                throw PSTraceSource.NewArgumentNullException("attribute");
+                throw PSTraceSource.NewArgumentNullException(nameof(attribute));
             }
 
             // Process the default parameter set name

src/System.Management.Automation/engine/CommandProcessor.cs

@@ -104,7 +104,7 @@ namespace System.Management.Automation
             Cmdlet cmdlet = command as Cmdlet;
             if (cmdlet == null)
             {
-                throw PSTraceSource.NewArgumentException("command");
+                throw PSTraceSource.NewArgumentException(nameof(command));
             }
 
             ParameterBinderBase parameterBinder;

src/System.Management.Automation/engine/CommandProcessorBase.cs

@@ -35,7 +35,7 @@ namespace System.Management.Automation
         {
             if (commandInfo == null)
             {
-                throw PSTraceSource.NewArgumentNullException("commandInfo");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandInfo));
             }
 
             if (commandInfo is IScriptCommandInfo scriptCommand)
@@ -278,12 +278,12 @@ namespace System.Management.Automation
         {
             if (context == null)
             {
-                throw PSTraceSource.NewArgumentNullException("context");
+                throw PSTraceSource.NewArgumentNullException(nameof(context));
             }
 
             if (string.IsNullOrEmpty(helpTarget))
             {
-                throw PSTraceSource.NewArgumentNullException("helpTarget");
+                throw PSTraceSource.NewArgumentNullException(nameof(helpTarget));
             }
 
             CommandProcessorBase helpCommandProcessor = context.CreateCommand("get-help", false);

src/System.Management.Automation/engine/CommonCommandParameters.cs

@@ -28,7 +28,7 @@ namespace System.Management.Automation.Internal
         {
             if (commandRuntime == null)
             {
-                throw PSTraceSource.NewArgumentNullException("commandRuntime");
+                throw PSTraceSource.NewArgumentNullException(nameof(commandRuntime));
             }
 
             _commandRuntime = commandRuntime;

src/System.Management.Automation/engine/CompiledCommandParameter.cs

@@ -37,7 +37,7 @@ namespace System.Management.Automation
         {
             if (runtimeDefinedParameter == null)
             {
-                throw PSTraceSource.NewArgumentNullException("runtimeDefinedParameter");
+                throw PSTraceSource.NewArgumentNullException(nameof(runtimeDefinedParameter));
             }
 
             this.Name = runtimeDefinedParameter.Name;
@@ -123,7 +123,7 @@ namespace System.Management.Automation
         {
             if (member == null)
             {
-                throw PSTraceSource.NewArgumentNullException("member");
+                throw PSTraceSource.NewArgumentNullException(nameof(member));
             }
 
             this.Name = member.Name;
@@ -146,7 +146,7 @@ namespace System.Management.Automation
                 {
                     ArgumentException e =
                     PSTraceSource.NewArgumentException(
-                        "member",
+                        nameof(member),
                         DiscoveryExceptions.CompiledCommandParameterMemberMustBeFieldOrProperty);
 
                     throw e;

src/System.Management.Automation/engine/ContentCmdletProviderInterfaces.cs

@@ -39,7 +39,7 @@ namespace System.Management.Automation
         {
             if (cmdlet == null)
             {
-                throw PSTraceSource.NewArgumentNullException("cmdlet");
+                throw PSTraceSource.NewArgumentNullException(nameof(cmdlet));
             }
 
             _cmdlet = cmdlet;
@@ -59,7 +59,7 @@ namespace System.Management.Automation
         {
             if (sessionState == null)
             {
-                throw PSTraceSource.NewArgumentNullException("sessionState");
+                throw PSTraceSource.NewArgumentNullException(nameof(sessionState));
             }
 
             _sessionState = sessionState;

src/System.Management.Automation/engine/CoreAdapter.cs

@@ -1856,7 +1856,7 @@ namespace System.Management.Automation
             {
                 if (resultType == null)
                 {
-                    throw PSTraceSource.NewArgumentNullException("resultType");
+                    throw PSTraceSource.NewArgumentNullException(nameof(resultType));
                 }
 
                 bool isArgumentByRef;
@@ -1911,7 +1911,7 @@ namespace System.Management.Automation
             {
                 if (resultType == null)
                 {
-                    throw PSTraceSource.NewArgumentNullException("resultType");
+                    throw PSTraceSource.NewArgumentNullException(nameof(resultType));
                 }
 
                 PSObject mshObj = valueToConvert as PSObject;

src/System.Management.Automation/engine/Credential.cs

@@ -219,7 +219,7 @@ namespace System.Management.Automation
         public PSCredential(PSObject pso)
         {
             if (pso == null)
-                throw PSTraceSource.NewArgumentNullException("pso");
+                throw PSTraceSource.NewArgumentNullException(nameof(pso));
 
             if (pso.Properties["UserName"] != null)
             {

src/System.Management.Automation/engine/DataStoreAdapter.cs

@@ -127,7 +127,7 @@ namespace System.Management.Automation
         {
             if (path == null)
             {
-                throw PSTraceSource.NewArgumentNullException("path");
+                throw PSTraceSource.NewArgumentNullException(nameof(path));
             }
 
             if (!DriveBeingCreated)
@@ -271,7 +271,7 @@ namespace System.Management.Automation
         {
             if (driveInfo == null)
             {
-                throw PSTraceSource.NewArgumentNullException("driveInfo");
+                throw PSTraceSource.NewArgumentNullException(nameof(driveInfo));
             }
 
             _name = driveInfo.Name;
@@ -326,17 +326,17 @@ namespace System.Management.Automation
 
             if (name == null)
             {
-                throw PSTraceSource.NewArgumentNullException("name");
+                throw PSTraceSource.NewArgumentNullException(nameof(name));
             }
 
             if (provider == null)
             {
-                throw PSTraceSource.NewArgumentNullException("provider");
+                throw PSTraceSource.NewArgumentNullException(nameof(provider));
             }
 
             if (root == null)
             {
-                throw PSTraceSource.NewArgumentNullException("root");
+                throw PSTraceSource.NewArgumentNullException(nameof(root));
             }
 
             // Copy the parameters to the local members
@@ -508,7 +508,7 @@ namespace System.Management.Automation
         {
             if (string.IsNullOrEmpty(newName))
             {
-                throw PSTraceSource.NewArgumentException("newName");
+                throw PSTraceSource.NewArgumentException(nameof(newName));
             }
 
             _name = newName;
@@ -534,7 +534,7 @@ namespace System.Management.Automation
         {
             if (newProvider == null)
             {
-                throw PSTraceSource.NewArgumentNullException("newProvider");
+                throw PSTraceSource.NewArgumentNullException(nameof(newProvider));
             }
 
             _provider = newProvider;
@@ -602,7 +602,7 @@ namespace System.Management.Automation
 
             if (drive == null)
             {
-                throw PSTraceSource.NewArgumentNullException("drive");
+                throw PSTraceSource.NewArgumentNullException(nameof(drive));
             }
 
             return string.Compare(Name, drive.Name, StringComparison.OrdinalIgnoreCase);
@@ -631,7 +631,7 @@ namespace System.Management.Automation
             {
                 ArgumentException e =
                     PSTraceSource.NewArgumentException(
-                        "obj",
+                        nameof(obj),
                         SessionStateStrings.OnlyAbleToComparePSDriveInfo);
                 throw e;
             }

src/System.Management.Automation/engine/DataStoreAdapterProvider.cs

@@ -297,7 +297,7 @@ namespace System.Management.Automation
         {
             if (providerInfo == null)
             {
-                throw PSTraceSource.NewArgumentNullException("providerInfo");
+                throw PSTraceSource.NewArgumentNullException(nameof(providerInfo));
             }
 
             Name = providerInfo.Name;
@@ -394,17 +394,17 @@ namespace System.Management.Automation
             // Verify parameters
             if (sessionState == null)
             {
-                throw PSTraceSource.NewArgumentNullException("sessionState");
+                throw PSTraceSource.NewArgumentNullException(nameof(sessionState));
             }
 
             if (implementingType == null)
             {
-                throw PSTraceSource.NewArgumentNullException("implementingType");
+                throw PSTraceSource.NewArgumentNullException(nameof(implementingType));
             }
 
             if (string.IsNullOrEmpty(name))
             {
-                throw PSTraceSource.NewArgumentException("name");
+                throw PSTraceSource.NewArgumentException(nameof(name));
             }
 
             _sessionState = sessionState;

src/System.Management.Automation/engine/DefaultCommandRuntime.cs

@@ -21,7 +21,7 @@ namespace System.Management.Automation
         public DefaultCommandRuntime(List<object> outputList)
         {
             if (outputList == null)
-                throw new System.ArgumentNullException("outputList");
+                throw new System.ArgumentNullException(nameof(outputList));
 
             _output = outputList;
         }

src/System.Management.Automation/engine/DriveInterfaces.cs

@@ -38,7 +38,7 @@ namespace System.Management.Automation
         {
             if (sessionState == null)
             {
-                throw PSTraceSource.NewArgumentNullException("sessionState");
+                throw PSTraceSource.NewArgumentNullException(nameof(sessionState));
             }
 
             _sessionState = sessionState;

src/System.Management.Automation/engine/EngineIntrinsics.cs

@@ -37,7 +37,7 @@ namespace System.Management.Automation
         {
             if (context == null)
             {
-                throw new ArgumentNullException("context");
+                throw new ArgumentNullException(nameof(context));
             }
 
             _context = context;

src/System.Management.Automation/engine/ErrorPackage.cs

@@ -420,7 +420,7 @@ namespace System.Management.Automation
             if (string.IsNullOrEmpty(errorCategoryString))
             {
                 // this probably indicates an invalid ErrorCategory value
-                errorCategoryString = ErrorCategory.NotSpecified.ToString();
+                errorCategoryString = nameof(ErrorCategory.NotSpecified);
             }
 
             string templateText = ErrorCategoryStrings.ResourceManager.GetString(errorCategoryString, uiCultureInfo);

src/System.Management.Automation/engine/EventManager.cs

@@ -666,7 +666,7 @@ namespace System.Management.Automation
                 {
                     string errorMessage = StringUtil.Format(EventingResources.ReservedIdentifier, sourceIdentifier);
 
-                    throw new ArgumentException(errorMessage, "sourceIdentifier");
+                    throw new ArgumentException(errorMessage, nameof(sourceIdentifier));
                 }
 
                 EventInfo eventInfo = null;
@@ -686,7 +686,7 @@ namespace System.Management.Automation
                 if (eventInfo == null)
                 {
                     string errorMessage = StringUtil.Format(EventingResources.CouldNotFindEvent, eventName);
-                    throw new ArgumentException(errorMessage, "eventName");
+                    throw new ArgumentException(errorMessage, nameof(eventName));
                 }
 
                 // Try to set the EnableRaisingEvents property if it defines one
@@ -722,7 +722,7 @@ namespace System.Management.Automation
                 if (invokeMethod.ReturnType != typeof(void))
                 {
                     string errorMessage = EventingResources.NonVoidDelegateNotSupported;
-                    throw new ArgumentException(errorMessage, "eventName");
+                    throw new ArgumentException(errorMessage, nameof(eventName));
                 }
 
                 // Cache generated event handlers (by type and event name) so that they don't bloat our
@@ -818,7 +818,7 @@ namespace System.Management.Automation
         {
             if (subscriber == null)
             {
-                throw new ArgumentNullException("subscriber");
+                throw new ArgumentNullException(nameof(subscriber));
             }
 
             Delegate existingSubscriber = null;
@@ -2362,7 +2362,7 @@ namespace System.Management.Automation
         {
             if (eventToAdd == null)
             {
-                throw new ArgumentNullException("eventToAdd");
+                throw new ArgumentNullException(nameof(eventToAdd));
             }
 
             _eventCollection.Add(eventToAdd);
@@ -2479,9 +2479,9 @@ namespace System.Management.Automation
             base(action == null ? null : action.ToString(), name)
         {
             if (eventManager == null)
-                throw new ArgumentNullException("eventManager");
+                throw new ArgumentNullException(nameof(eventManager));
             if (subscriber == null)
-                throw new ArgumentNullException("subscriber");
+                throw new ArgumentNullException(nameof(subscriber));
 
             UsesResultsCollection = true;
             ScriptBlock = action;