本次局域网即时聊天程序设计主要用了Visual C++编程环境，设计里还涉及到了网络通信基本原理和Socket编程及语音处理API技术。由于程序是在TCP/IP环境下运行，所以分服务器端和客户端。服务器端和客户端是通过建立Socket链接来实现聊天功能。-The LAN Instant Messenger program design is mainly used by Visual C++ programming environment, designed in the network communication also involves the basic principles and Socket API programming and voice processing technologies. Because the program is in the TCP/IP environment to run, so the sub-server and client. Server and client is achieved through the establishment of links to chat Socket.