C#执行cmd命令实现电脑关机

 <span style="white-space:pre">	</span>    Process process = new Process();
            process.StartInfo.FileName = "cmd.exe";
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardInput = true;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;
            process.StartInfo.CreateNoWindow = true;
            process.Start();

            process.StandardInput.WriteLine("shutdown -s -t 3");
            process.StandardInput.WriteLine("exit");
            Shuttime = System.Int32.Parse(Intime.Text);
            process.WaitForExit();
            process.Close();

 <span style="white-space:pre">	</span>    string time;
            time = Intime.Text;
            Process process = new Process();
            process.StartInfo.FileName = "cmd.exe";
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardInput = true;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;
            process.StartInfo.CreateNoWindow = true;
            process.Start();
            process.StandardInput.WriteLine("shutdown -s -t " + time);
            process.StandardInput.WriteLine("exit");
            Shuttime = System.Int32.Parse(Intime.Text);
            process.WaitForExit();
            process.Close();