Пример #1
0
        static void Main11(string[] args)
        {
            ListenerOne listener = new ListenerOne();
            SenderBase  sb       = new SenderBase();
            SenderChild sc       = new SenderChild();

            listener.Register(sb);
            listener.Register(sc);

            string s = "It comes!";
            int    i = 100;

            sb.SomethingHappens(i, s);
            sc.SomethingHappens(i, s);

            listener.Unregister(sb);
            listener.Unregister(sc);


            ManyEventsClass mec = new ManyEventsClass();

            mec.e1 += TempHandleMany_1; //背后的实现是自定义的, 而不是默认自动生成的event+=
            mec.e2 += TempHandleMany_2;
            mec.e3 += TempHandleMany_3;

            mec.Happen1();
            mec.Happen2(i, s);
            //mec.Happen3();
        }
Пример #2
0
 public void Unregister(SenderBase sb)
 {
     //不用担心删除一个没添加过的方法, 最终调用Delegate.Remove方法在这种情况只是什么也不做
     sb.myEvent -= EventHandlerOne;
 }
Пример #3
0
 //Listener提供让自己注册和取消监听事件的方法
 public void Register(SenderBase sb)
 {
     sb.myEvent += EventHandlerOne;
 }