private unsafe bool StartWithShellExecuteEx(ProcessStartInfo startInfo)
{
if (!string.IsNullOrEmpty(startInfo.UserName) || startInfo.Password != null)
{
throw new InvalidOperationException(SR.CantStartAsUser);
}
if (startInfo.RedirectStandardInput || startInfo.RedirectStandardOutput || startInfo.RedirectStandardError)
{
throw new InvalidOperationException(SR.CantRedirectStreams);
}
if (startInfo.StandardInputEncoding != null)
{
throw new InvalidOperationException(SR.StandardInputEncodingNotAllowed);
}
if (startInfo.StandardErrorEncoding != null)
{
throw new InvalidOperationException(SR.StandardErrorEncodingNotAllowed);
}
if (startInfo.StandardOutputEncoding != null)
{
throw new InvalidOperationException(SR.StandardOutputEncodingNotAllowed);
}
if (startInfo._environmentVariables != null)
{
throw new InvalidOperationException(SR.CantUseEnvVars);
}
string arguments = startInfo.BuildArguments();
fixed(char *fileName = startInfo.FileName.Length > 0?startInfo.FileName : null)
fixed(char *verb = startInfo.Verb.Length > 0 ? startInfo.Verb : null)
fixed(char *parameters = arguments.Length > 0 ? arguments : null)
fixed(char *directory = startInfo.WorkingDirectory.Length > 0 ? startInfo.WorkingDirectory : null)
{
Interop.Shell32.SHELLEXECUTEINFO shellExecuteInfo = new Interop.Shell32.SHELLEXECUTEINFO()
{
cbSize = (uint)sizeof(Interop.Shell32.SHELLEXECUTEINFO),
lpFile = fileName,
lpVerb = verb,
lpParameters = parameters,
lpDirectory = directory,
fMask = Interop.Shell32.SEE_MASK_NOCLOSEPROCESS | Interop.Shell32.SEE_MASK_FLAG_DDEWAIT
};
if (startInfo.ErrorDialog)
{
shellExecuteInfo.hwnd = startInfo.ErrorDialogParentHandle;
}
else
{
shellExecuteInfo.fMask |= Interop.Shell32.SEE_MASK_FLAG_NO_UI;
}
shellExecuteInfo.nShow = startInfo.WindowStyle switch
{
ProcessWindowStyle.Hidden => Interop.Shell32.SW_HIDE,
ProcessWindowStyle.Minimized => Interop.Shell32.SW_SHOWMINIMIZED,
ProcessWindowStyle.Maximized => Interop.Shell32.SW_SHOWMAXIMIZED,
_ => Interop.Shell32.SW_SHOWNORMAL,
};
ShellExecuteHelper executeHelper = new ShellExecuteHelper(&shellExecuteInfo);
if (!executeHelper.ShellExecuteOnSTAThread())
{
int error = executeHelper.ErrorCode;
if (error == 0)
{
error = GetShellError(shellExecuteInfo.hInstApp);
}
switch (error)
{
case Interop.Errors.ERROR_BAD_EXE_FORMAT:
case Interop.Errors.ERROR_EXE_MACHINE_TYPE_MISMATCH:
throw new Win32Exception(error, SR.InvalidApplication);
case Interop.Errors.ERROR_CALL_NOT_IMPLEMENTED:
// This happens on Windows Nano
throw new PlatformNotSupportedException(SR.UseShellExecuteNotSupported);
default:
throw new Win32Exception(error);
}
}
if (shellExecuteInfo.hProcess != IntPtr.Zero)
{
SetProcessHandle(new SafeProcessHandle(shellExecuteInfo.hProcess));
return(true);
}
}
return(false);
}
