TCP协议的测试程序，能够在一台pc上完成收发，非常好用。-TCP protocol testing procedures, to complete the transceiver on a PC, very good.

Vb6.0编写的客户端和服务器之间通信软件，可以作聊天软件，稍作修改后还可以扩展其他功能，已经通过验证.(Vb6.0 written communication between the client and server software, you can make chat software, with some slight modifications can also extend other functions, has been validated.)