zoukankan      html  css  js  c++  java
  • 猫叫老鼠跑的事件例子

        using System; 

    class Program
    {
    public class Cat
    {
    private string name;
    public Cat(string name)
    {
    this.name = name;
    }
    public delegate void CatCallEventHandler(); //猫叫的委托
    public event CatCallEventHandler catevent; //猫叫事件
    public void Call()
    {
    Console.WriteLine("猫{0}叫:喵,喵,喵", name);
    if(catevent != null)
    catevent();
    }
    }
    public class Mouse
    {
    private string name;
    public Mouse(Cat c, string name)
    {
    this.name = name;
    c.catevent += new Cat.CatCallEventHandler(this.Run); //注册事件
    }
    public void Run()
    {
    Console.WriteLine("老鼠{0}开始逃跑", name);
    }
    }

    static void Main(string[] args)
    {
    Cat c = new Cat("King");
    Mouse m1 = new Mouse(c, "Tom1");
    Mouse m2 = new Mouse(c, "Tom2");
    c.Call();

    Console.ReadKey();
    }
    }



  • 相关阅读:
    下载文件
    Cookie方法
    阿拉伯数字转大写
    格式化日期
    正向代理与反向代理
    get post 区别
    gulp
    什么是javascript中的同步&&异步?
    懒加载
    js操作dom时发生了什么?
  • 原文地址:https://www.cnblogs.com/gdjlc/p/2086937.html
Copyright © 2011-2022 走看看