C# - 委托_多播委托

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace 委托_例子
 8 {
 9     static class Program
10     {
11         delegate void Show(string name);
12 
13         static void CatShow(string name)
14         {
15             Console.WriteLine("Name:" + name);
16         }
17 
18         static void DogShow(string name)
19         {
20             Console.WriteLine("Name:" + name);
21         }
22 
23         static void LionShow(string name)
24         {
25             Console.WriteLine("Name:" + name);
26         }
27 
28         static void Animal(Show s, string name)
29         {
30             s(name);
31         }
32 
33         static void Main(string[] args)
34         {
35             //多播委托
36             //通过+=运算符想多播委托中订阅方法
37             Show s = new Show(CatShow);
38             s += new Show(DogShow);
39             s += new Show(LionShow);
40 
41             //通过-=运算符向多播委托中取消方法
42             s -= new Show(LionShow);
43 
44             Program.Animal(s, "KKK");
45 
46             Console.ReadKey();
47         }
48     }
49 }