简单的委托事件

 

 1using System;
 2using System.Collections.Generic;
 3
 4namespace ConsoleApplication3
 5{
 6    /**//// <summary>
 7    /// 事件接受类
 8    /// </summary>
 9    class Program
    {    
        static void Main(string[] args)
        {
            EventSend es = new EventSend();
            es.myEvent+=new EventSend.myDelegate(es_myEvent);
            es.Run();
        }

        private static void es_myEvent(object sender,MyEventArgs e)
        {
            //事件处理方法
            Console.WriteLine("\n你触发了一次事件!\n你输入的是："+ e.InputText);
        }
    }
    /**//// <summary>
    /// 事件发送类
    /// </summary>
    class EventSend
    {
        public delegate void myDelegate(object sender, MyEventArgs e);//定义委托
        public event myDelegate myEvent;//定义委托类型的事件
        public void Run()
        {
            while (true)
            {
                Console.BackgroundColor = ConsoleColor.Red;
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.WriteLine("=== 退出请选择 n 或 N ===");
                MyEventArgs e1 = new MyEventArgs();
                e1.InputText = Console.ReadLine();
                string str = e1.InputText;
                if (str == "n" || str == "N")
                {
                    break;
                }
                myEvent(this, e1);
            }
        }
    }

    /**//// <summary>
    /// 事件的内容
    /// </summary>
    class MyEventArgs:EventArgs
    {
        private string inputText;
        public string InputText
        {
            get
            {
                return this.inputText;
            }
            set
            {
                this.inputText = value;
            }
        }
    }
}