一个基于VB的多用户聊天系统，功能强大，界面漂亮。主程序分服务端和客户端，注册后可实现多方通讯功能，程序源代码可在VB环境下顺利编译。-VB-based multi-user chat system, powerful, beautiful interface. The main points of service and client, the registration would be achieved in multi-party communication functions, sour