委托

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace 委托
 7 {
 8     class 委托
 9     {
10         public delegate double delegateProd(int a);
11         public static double prodValues(int wall)
12         {
13             return wall+1;
14         }
15         static void Main(string[] args)
16         {
17 
18             delegateProd delobj = new delegateProd(prodValues);//声明一个委托
19             
20             Console.Write("please input number");
21             int var1 =int.Parse( Console.ReadLine());
22             double res = delobj(var1);//调用委托方法
23 
24             Console.WriteLine("return number:{0}",res);
25             Console.ReadLine();
26         }
27     }
28 }