简单多播委托Demo

 1 namespace consoleapp4
 2 {
 3     class program
 4     {
 5         static void main(string[] args)
 6         {
 7             mum mum = new mum();
 8             dad dad = new dad();
 9             son son = new son();
10             sister sister = new sister();
11             mum.telleat();
12             mum.eatdel += son.soneat;
13             mum.eatdel += dad.dadeat;
14             mum.eatdel += sister.sistereat;
15             mum.eatdel();
16             //最后执行这个委托即可
17             console.readkey();
18         }
19     }
20     //定义一个无参无返的委托
21     public delegate void haveeatdel();
22     public class mum
23     {
24         public void telleat()
25         {
26             console.writeline("吃饭了");
27         }
28         //定义委托实例
29         public haveeatdel eatdel { get; set; }
30     }
31     public class son
32     {
33         public void soneat()
34         {
35             console.writeline("知道了，玩完游戏再去");
36         }
37     }
38     public class dad
39     {
40         public void dadeat()
41         {
42             console.writeline("就来！");
43         }
44     }
45     public class sister
46     {
47         public void sistereat()
48         {
49             console.writeline("一会就来");
50         }
51     }
52 }