public Process LaunchProcessSuspended(ProcessStartInfo startInfo, bool inheritHandle = false)
{
string commandLine;
if (!string.IsNullOrWhiteSpace(startInfo.Verb))
{
commandLine = string.Format("-runverb -verb \"{0}\" -exefile \"{1}\"",
startInfo.Verb.Trim(), startInfo.FileName.Trim());
string tempArg = startInfo.Arguments.Trim();
if (!string.IsNullOrWhiteSpace(tempArg))
{
commandLine += string.Format(" -arg \"{0}\"", tempArg);
}
startInfo.FileName = BootstrapProcess;
}
else
{
commandLine = startInfo.Arguments;
}
commandLine = BuildCommandLine(startInfo.FileName.Trim(), commandLine.Trim()).ToString();
var startupInfo = new STARTUPINFO();
var processInfo = new PROCESS_INFORMATION();
bool retVal = false;
int errorCode = 0;
GCHandle environmentHandle = new GCHandle();
try
{
// set up the creation flags paramater
var creationFlags = ProcessCreationFlags.CREATE_SUSPENDED;
if (startInfo.CreateNoWindow)
{
creationFlags |= ProcessCreationFlags.CREATE_NO_WINDOW;
}
// set up the environment block parameter
IntPtr environmentPtr = (IntPtr)0;
if (startInfo.EnvironmentVariables != null)
{
creationFlags |= ProcessCreationFlags.CREATE_UNICODE_ENVIRONMENT;
byte[] environmentBytes = EnvironmentBlock.ToByteArray(startInfo.EnvironmentVariables, true);
environmentHandle = GCHandle.Alloc(environmentBytes, GCHandleType.Pinned);
environmentPtr = environmentHandle.AddrOfPinnedObject();
}
//fix working dir
string workingDirectory = startInfo.WorkingDirectory;
if (workingDirectory == string.Empty)
{
workingDirectory = Environment.CurrentDirectory;
}
try { }
finally
{
retVal = NativeMethods.CreateProcess(
null, // we don't need this since all the info is in commandLine
commandLine, // pointer to the command line string
IntPtr.Zero, // pointer to process security attributes, we don't need to inheriat the handle
IntPtr.Zero, // pointer to thread security attributes
inheritHandle, // handle inheritance flag
creationFlags, // creation flags
environmentPtr, // pointer to new environment block
workingDirectory, // pointer to current directory name
ref startupInfo, // pointer to STARTUPINFO
out processInfo // pointer to PROCESS_INFORMATION
);
if (!retVal)
{
errorCode = Marshal.GetLastWin32Error();
}
if (processInfo.hProcess != (IntPtr)0 && processInfo.hProcess != (IntPtr)NativeMethods.INVALID_HANDLE_VALUE)
{
_pid = processInfo.dwProcessId;
_procHandle = processInfo.hProcess;
}
if (processInfo.hThread != (IntPtr)0 && processInfo.hThread != (IntPtr)NativeMethods.INVALID_HANDLE_VALUE)
{
_threadHandle = processInfo.hThread;
_tid = processInfo.dwThreadId;
}
}
if (!retVal)
{
if (errorCode == NativeMethods.ERROR_BAD_EXE_FORMAT || errorCode == NativeMethods.ERROR_EXE_MACHINE_TYPE_MISMATCH)
{
throw new Win32Exception(errorCode, "Invalid Application");
}
throw new Win32Exception(errorCode);
}
retVal = true;
}
finally
{
// free environment block
if (environmentHandle.IsAllocated)
{
environmentHandle.Free();
}
}
if (_pid != 0)
{
return(Process.GetProcessById((int)_pid));
}
else
{
return(null);
}
}
