检查一个tcp或udp端口是否被占用

一个我在做得组播发送的小程序-I was doing a small program to send multicast! ! ! ! ! ! ! ! ! ! ! ! !

一个基本的点对点聊天室,先启动服务程序,然后启动客户端,-a basic peer-to-peer chat rooms, first launching the service procedures, then start the client,

能够收发对象的网络程序-object can send and receive network programming

网络五子棋程序源码，使学习使用MFC的CAsynSocket进行网络编程好例子。-network renju procedures source, so learning to use the MFC CAsynSocket network programming good example.

集群管理器,主要针对终端服务的会话任务分配,其中一台机器做为选路机器,其余机器分摊终端服务会话.- The colony management, mainly aims at the terminal service the conversation duty assignment, machine does for chooses the bull dozer, other machines share the terminal service conversation

http://www.cnblogs.com/files/halgogo/vb98.rar

一个建立internet连接的例子。非常实用啊-establish an internet connection example. Very practical ah!

IE编程实例 简单的浏览器的实现【chap4MyBrowser】 删除IE相关历史记录【chap4DelHistory】 将应用程序加入到IE工具栏【chap4AddToToolBar】 超级链接的实现【chap4HyperLink】 禁止IE的弹出窗口【chap4StopPopup】 禁止浏览某些网站【chap4StopTravel】 IE收藏夹【chap4 MyBrowser】 创建桌面快捷方式和活动桌面【chap4ShortCut】-IE Programming simple example of the realization of the browser [] to delete IE related chap4MyBrowser history] [chap4DelHistory application added to the IE toolbar chap4AddToToolBar] [hyperlinks realization chap4HyperLink] [Prohibition of IE pop-up window] [chap4StopPopup prohibited browser Some sites chap4StopTravel] [IE Favorites] [chap4 MyBrowser create desktop shortcuts, and Active Desktop chap4ShortCut []

使用RAS通讯录api的程序-A program which has used RAS api

一个非常好的网络编程程序，用于初学者学习-A very good network programming procedures, for beginners to learn