C # execute CMD command remote shutdown

 void shutdown ()         {             process commandprocess = new process ();             try             {                     commandProcess.StartInfo.FileName =  "cmd.exe";                   commandprocess.startinfo.useshellexecute = false;                 commandProcess.StartInfo.CreateNoWindow = true;                Commandprocess.startinfo.redirectstandarderror = true;             commandProcess.StartInfo.RedirectStandardInput = true;               commandprocess.startinfo.redirectstandardoutput =  true;             commandprocess.start ();              commandprocess.standardinput.writeline ("Shutdown  /r /m 127.0.0.1 /t 200 /f ");           commandprocess.standardinput.writeline ("Exit");                  for  (!commandprocess.hasexited; )//wait for cmd command to run complete                  {                      System.Threading.ThreaD.sleep (1);                 }                 //Error Output                string tmpout =  CommandProcess.StandardError.ReadToEnd ();                 string tmpout1 = commandprocess.standardoutput.readtoend ();              }               catch  (exception e)              {                    messagebox.show (e.message);             }                   finally             {                if   (Commandprocess != null)  {                     commandprocess.dispose ();                     commandprocess  = null;                 }            }          }                    

C # execute CMD command remote shutdown