多重委托简单示例一

 1using System;
 2using System.Collections.Generic;
 3using System.Linq;
 4using System.Text;
 5
 6namespace @delegate
 7{
 8    class MultiDelegateExam
 9    {
10        delegate void Dialoging();
11        public static void Greeting()
12        {
13            Console .WriteLine ("How are you !");
14        }
15        public static void Introduce()
16        {
17            Console .WriteLine ("I am Norosin.");
18        }
19        public static void Main(string[] args)
20        {
21            Dialoging oneDialoging = new Dialoging(Greeting);
22            Console.WriteLine("single delegate:one");
23            oneDialoging();
24            Console.WriteLine();
25
26            Dialoging twoDialoging = new Dialoging(Introduce);
27            Console.WriteLine("single delegate:two");
28            twoDialoging();
29            Console.WriteLine();
30
31            Dialoging threeDialoging = oneDialoging + twoDialoging;
32            Console.WriteLine("multicast delegate:one+two");
33            threeDialoging();
34            Console.WriteLine();
35
36            Dialoging fourDialoging = threeDialoging - twoDialoging;
37            Console.WriteLine("single delegate:three-two");
38            fourDialoging();
39            Console.WriteLine();
40
41            Console.WriteLine("按Enter键退出");
42            Console.Read();
43        }
44    }
45}
46
47

运行结果：