我自己用MFC开发出来的第一个网络小程序。运行后既可以选择自己成为服务器，也可以链接到其他已知IP的服务器，并可以随时切换。功能上只实现了文字聊天，比较简单。-I use MFC developed the first network applet. After running a server can either choose your own, you can also link to other known IP of the server, and can switch at any