该课程大作业的设计任务是利用Visual Studio 2005编写一个可运行在Windows CE操作系统下的网络通信软件。利用该软件可实现简单的聊天功能，包括信息的发送与接收，完成简单的网络通信。-The curriculum design task is to use big job to write a Visual Studio 2005 running under Windows CE operating system, network communication software. Using this software allows simple chat functions, including sending and receiving of information, complete a simple network traffic.