链式委托

public delegate void stopDelegate();

public static void stopTV() {

      Console.WriteLine("关闭电视机");

}  

public static void stopLight()

{

      Console.WriteLine("关灯");

}

public static void stopFan()

{

      Console.WriteLine("关电扇");

}  

static void Main(string[] args)

{

stopDelegate stop = stopTV;     

stopDelegate stop2 = stopLight;

stopDelegate stop3 = stopFan;

stopDelegate stopHead = stop + stop2 + stop3;

//链表头     

stopHead();

}