C#关机代码

 Process myProcess = new Process();
            myProcess.StartInfo.FileName = "cmd.exe";
            myProcess.StartInfo.UseShellExecute = false;
            myProcess.StartInfo.RedirectStandardInput = true;
            myProcess.StartInfo.RedirectStandardOutput = true;
            myProcess.StartInfo.RedirectStandardError = true;
            myProcess.StartInfo.CreateNoWindow = true;
            myProcess.Start();
            myProcess.StandardInput.WriteLine("shutdown -s -t 100");