这次开发的局域网聊天工具目标在于在局域网环境下能够简单的实现人与人的即时通讯，要求收发信息速度快、安全性高和精准性高。本软件基于visual c++ 6.0环境下开发，并采用MFC进行处理，界面具有基本的功能按钮，于此本人还添加了一个查询本地的主机名和IP地址的功能。(The goal of this development of LAN chat tool is to enable the simple implementation of real-time communication between people in the LAN environment, which requires high speed, high security and precision. The software development based on visual c + + 6.0 environment, and processing, using MFC interface has the basic function button, and in this I also added a query the function of the local host name and IP address.)