本程序可在Visual C++的环境下运行。可以选择是TCP连接还是UDP连接。运行程序时既可以做服务器又可以做客户端，还可以一个窗口既是服务器又是客户端。可以发送消息，也可以传输文件，还可以实现抓取屏幕的功能。这是一个功能强大的应用程序。-This program can be in Visual C++ environment to run. Can choose a TCP connection or UDP connections. When running the program can do both server and client can do can also be both a window server is the client. Can send a message, you can transfer files, you can also capture the screen to achieve the function. This is a powerful application.