BS结构的VC++消息发送程序，实际 就是一个简单的聊天程序，包括服务端和客户消息发送端，服务端用来监听端口，客户端类似QQ聊天窗口的形式，属点对点聊天，通过本程序可了解一些网络基本知识。

-The structure of VC++ BS messaging program, this is a simple chat program, including messaging server and client side, server to monitor port, the client in the form of a chat window similar to QQ, is a peer to peer chat, through this program to understand some basic knowledge of the network.