286 lines
10 KiB
C#
286 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.IO;
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namespace Wox.Plugin.System
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{
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/*
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* http://undoc.airesoft.co.uk/shell32.dll/ShellExecCmdLine.php
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*
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* IDA pseudocodes:
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* * CRunDlg::OKPushed https://gist.github.com/anonymous/bb0581d062ae82169768
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* * ShellExecuteCmdLine https://gist.github.com/anonymous/7efeac7a89498e2667d5
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* * PromptForMedia https://gist.github.com/anonymous/4900265ca20a98da0947
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*
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* leaked Windows 2000 source codes:
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* * rundlg.cpp https://gist.github.com/anonymous/d97e9490e095a40651b0
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* * exec.c https://gist.github.com/anonymous/594d62eb684cf5ff3052
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*/
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public static class WindowsShellRun
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{
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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static extern string PathGetArgs([In] string pszPath);
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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static extern void PathRemoveArgs([MarshalAs(UnmanagedType.LPTStr)]StringBuilder lpszPath);
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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static extern void PathUnquoteSpaces([MarshalAs(UnmanagedType.LPTStr)]StringBuilder lpsz);
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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static extern int PathGetDriveNumber([In] string lpsz);
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const int SHPPFW_IGNOREFILENAME = 4;
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[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
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static extern int SHPathPrepareForWrite(IntPtr hwnd,
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[MarshalAs(UnmanagedType.IUnknown)] object punkEnableModless,
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string pszPath, uint dwFlags);
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static bool PromptForMedia(String cmd, out int driveId)
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{
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StringBuilder sb = new StringBuilder(cmd, cmd.Length);
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PathRemoveArgs(sb);
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PathUnquoteSpaces(sb);
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if ((driveId = PathGetDriveNumber(sb.ToString())) != -1 &&
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SHPathPrepareForWrite(IntPtr.Zero, 0, sb.ToString(), SHPPFW_IGNOREFILENAME) < 0)
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// if replace IntPtr.Zero with a form handle,
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// it will show a dialog waiting for media insert
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// check it here: https://f.cloud.github.com/assets/158528/2008562/6bb65164-874d-11e3-8f66-c8a4773bd5f2.png
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{
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return false;
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}
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return true;
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}
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[Flags]
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enum ShellExecCmdLineFlags
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{
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SECL_USEFULLPATHDIR = 0x1,
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SECL_NO_UI = 0x2,
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SECL_4 = 0x4,
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SECL_LOG_USAGE = 0x8,
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SECL_USE_IDLIST = 0x10,
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SECL__IGNORE_ERROR = 0x20,
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SECL_RUNAS = 0x40
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}
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const int URLIS_URL = 0;
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const int URLIS_FILEURL = 3;
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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static extern bool UrlIs(string pszUrl, int UrlIs);
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static void ShellExecCmdLine(IntPtr hInstance, IntPtr hwnd, string command, string startDir, global::System.Diagnostics.ProcessWindowStyle nShow, ShellExecCmdLineFlags dwSeclFlags)
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{
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string cmd = command;
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string args = null;
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if (UrlIs(command, URLIS_URL))
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cmd = command;
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else
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{
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if (global::System.Environment.OSVersion.Version.Major >= 6)
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EvaluateSystemAndUserCommandLine(cmd, startDir, out cmd, out args, dwSeclFlags);
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else
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EvaluateUserCommandLine(cmd, startDir, out cmd, out args);
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}
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if (!UrlIs(cmd, URLIS_URL)
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&& (
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(dwSeclFlags & ShellExecCmdLineFlags.SECL_USEFULLPATHDIR) == ShellExecCmdLineFlags.SECL_USEFULLPATHDIR
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|| startDir == null
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|| startDir.Length == 0))
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{
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string dir = QualifyWorkingDir(cmd);
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if (dir != null)
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startDir = dir;
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}
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global::System.Diagnostics.ProcessStartInfo startInfo = new global::System.Diagnostics.ProcessStartInfo();
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startInfo.UseShellExecute = true;
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startInfo.Arguments = args;
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startInfo.FileName = cmd;
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startInfo.WindowStyle = global::System.Diagnostics.ProcessWindowStyle.Normal;
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startInfo.ErrorDialog = (dwSeclFlags | ShellExecCmdLineFlags.SECL_NO_UI) == 0;
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startInfo.ErrorDialogParentHandle = hwnd;
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try
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{
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global::System.Diagnostics.Process.Start(startInfo);
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}
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catch (Exception e)
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{
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if (!startInfo.ErrorDialog)
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throw e;
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}
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}
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[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
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static extern int SHEvaluateSystemCommandTemplate(
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string pszCmdTemplate,
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out IntPtr ppszApplication,
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out IntPtr ppszCommandLine,
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out IntPtr ppszParameters
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);
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[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
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static extern void PathQualify(
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[MarshalAs(UnmanagedType.LPWStr)] StringBuilder psz
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);
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static string QualifyWorkingDir(string pszPath)
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{
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// special case to make sure the working dir gets set right:
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// 1) no working dir specified
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// 2) a drive or a root path, or a relative path specified
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// derive the working dir from the qualified path. this is to make
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// sure the working dir for setup programs "A:setup" is set right
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if (pszPath.IndexOfAny(new char[] { '\\', ':'}) >= 0)
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{
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// build working dir based on qualified path
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if (Directory.Exists(pszPath))
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return pszPath;
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pszPath = Path.GetDirectoryName(pszPath);
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if (pszPath != null)
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try
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{
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return Path.GetFullPath(pszPath);
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}
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catch
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{
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return pszPath;
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}
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}
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return null;
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}
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static bool CopyCommand(string pszCommand, string pszDir, out string pszOut)
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{
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bool fRet = true;
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pszOut = pszCommand;
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if (pszCommand[0] != '"')
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{
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if (UrlIs(pszCommand, URLIS_URL))
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{
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// urls never have params...
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if (UrlIs(pszCommand, URLIS_FILEURL))
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pszOut = new Uri(pszCommand).LocalPath; // PathCreateFromUrl(pszCommand, pszOut, &cchOut, 0);
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else
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pszOut = pszCommand;
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return false;
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}
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else
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{
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try
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{
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//not right here.
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//e.g. If I input qs which is a shortcut in a folder, and this folder has been added to Path
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//After execute this, qs will trun to c:/xxxxxx/xxxxxxxx/qs, and give a file not find error.
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//pszOut = Path.GetFullPath(pszCommand); // PathQualifyDef(pszOut, pszDir, 0);
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}
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catch
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{
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pszOut = pszCommand;
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}
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// TODO: deal with attributes
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if (File.Exists(pszOut) || Directory.Exists(pszOut)) // PathFileExistsAndAttributes(pszOut, NULL)
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return false;
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}
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}
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return true;
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}
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static void EvaluateUserCommandLine(string command, string startDir, out string cmd, out string args)
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{
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if (CopyCommand(command, startDir, out cmd))
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{
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// there might be args in that command
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args = PathGetArgs(cmd);
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if (args != null)
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cmd = cmd.Substring(0, cmd.Length - args.Length);
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}
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else
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args = null;
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StringBuilder buffer = new StringBuilder(cmd);
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PathUnquoteSpaces(buffer);
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cmd = buffer.ToString();
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}
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static void EvaluateSystemAndUserCommandLine(string command, string startDir, out string cmd, out string args, ShellExecCmdLineFlags dwSeclFlags)
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{
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IntPtr pcmd, pcmdl, parg;
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int result = SHEvaluateSystemCommandTemplate(command, out pcmd, out pcmdl, out parg);
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if (result < 0)
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{
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if ((dwSeclFlags & ShellExecCmdLineFlags.SECL__IGNORE_ERROR) == 0)
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throwHRESULT(result);
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EvaluateUserCommandLine(command, startDir, out cmd, out args);
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}
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else
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{
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cmd = Marshal.PtrToStringUni(pcmd);
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args = Marshal.PtrToStringUni(parg);
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Marshal.FreeCoTaskMem(pcmd);
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Marshal.FreeCoTaskMem(pcmdl);
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Marshal.FreeCoTaskMem(parg);
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}
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}
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static int throwHRESULT(int hresult)
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{
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throw new global::System.IO.IOException(
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new global::System.ComponentModel.Win32Exception(hresult ^ -0x7FF90000).Message,
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hresult);
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}
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public static void Start(string cmd)
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{
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Start(cmd, false);
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}
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public static void Start(string cmd, bool showErrorDialog)
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{
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Start(cmd, false, IntPtr.Zero);
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}
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public static void Start(string cmd, bool showErrorDialog, IntPtr errorDialogHwnd)
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{
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cmd = cmd.Trim(); // PathRemoveBlanks
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cmd = Environment.ExpandEnvironmentVariables(cmd); // SHExpandEnvironmentStrings
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int driveId = -1;
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if (PromptForMedia(cmd, out driveId))
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{
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ShellExecCmdLine(
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IntPtr.Zero,
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errorDialogHwnd,
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cmd,
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null, // i have no ideas about this field
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global::System.Diagnostics.ProcessWindowStyle.Normal,
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ShellExecCmdLineFlags.SECL__IGNORE_ERROR | ShellExecCmdLineFlags.SECL_USE_IDLIST | ShellExecCmdLineFlags.SECL_LOG_USAGE | (showErrorDialog ? 0 : ShellExecCmdLineFlags.SECL_NO_UI)
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);
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}
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else
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{ // Device not ready 0x80070015
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throw new global::System.IO.IOException(
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new global::System.ComponentModel.Win32Exception(0x15).Message,
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-0x7FF90000 | 0x15);
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}
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}
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}
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}
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