主要是用于GPRS上的QQ聊天程序。这样就可以成天挂QQ，而 不至于需要浪费电。-A QQ IM program bases on GPRS link on mobile device. Providing you the ability to chart with your friends on moving.

用VB做的简单的局域网通信程序，主要分几个模块实现上位机与下位机通信-VB to do with a simple local area network communication program, the main achievement of several modules with the lower PC communication