C#列出当前系统所有正在运行程序的方法

Using System.Diagnostics;
foreach(Process p in Process.GetProcesses(System.Environment.MachineName))
{
 if (p.MainWindowHandle! = IntPtr.Zero)
 {
  // Display the user name of the program
  Console.WriteLine (p); //string s = p.ToString ();
 }
}