自定義事件的使用例程

自定義事件的使用例程
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2002.1.22
這段程序運用一個sever類設計一個聊天室：
//此類為服務器類-用於與客戶端的通信，其中構造了幾個自定義事件
using System;using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace sockchat
{
    public delegate void EventServerStartHandler(EventServerStartArgs e);  //聲明代理
    public delegate void EventClientContextHandler(EventClientContextArgs e);
    public class EventClientContextArgs //構造自定義事件類
    {
        public string IP;
        public EventClientContextArgs(string _ip)
        {
            IP = _ip;
        }
    }
    public class EventServerStartArgs :EventArgs
    {
        public string returnstring;
        public EventServerStartArgs()
        {
            returnstring = "服務器已啟動";
        }
    }
        public class server
        {
            public event EventServerStartHandler SStartEvent;
            public event EventClientContextHandler CcontextEvent;