myclass.cs

来自「这是.net2005学习不可缺少的教程」· CS 代码 · 共 34 行

using System;
using System.Collections.Generic;
using System.Text;

namespace DeleZuhe
{
          delegate void MyDelegate(string s);
         class MyClass
         {
            public static void Hello(string s)
            {
                Console.WriteLine("  Hello, {0}!", s);
            }
            public static void Goodbye(string s)
            {
                Console.WriteLine("  Goodbye, {0}!", s);
            }
            public static void Main()
            {
                MyDelegate a, b, c, d;
                a = new MyDelegate(Hello);
                b = new MyDelegate(Goodbye);
                c = a + b;
                d = c - a;
                Console.WriteLine("Invoking delegate a:"); a("A");
                Console.WriteLine("Invoking delegate b:"); b("B");
                Console.WriteLine("Invoking delegate c:"); c("C");
                Console.WriteLine("Invoking delegate d:"); d("D");
            }
        }

    }