44.（c#）关闭特定程序

using System;
using System.Diagnostics;
class close_special_exe
{
 static void Main()
 {
  Process[] myProcess;
  myProcess=Process.GetProcessesByName ("Notepad");
  foreach(Process instance in myProcess)
  {
  
   instance.WaitForExit (3000);
   instance.CloseMainWindow ();
  }
 }
}