本程序基于windows异步消息机制，采用异步套接字，详细设计实现了一个类似于聊天室的即时消息通讯系统的客户端和服务器端。对学习网络socket编程的朋友具有很高的参考价值!-This procedure mechanism based on asynchronous messaging windows, the use of asynchronous sockets, the realization of the detailed design of a chat room similar to the instant messaging communications system client and server. Learning Network socket programming to a friend with a very high reference value!