Delphi的P2P源代码，能穿透防火墙建立UDP连接，能在两个不同的局域网中直接通信。-Delphi s P2P source code, can penetrate the firewall to establish UDP connection to two different LAN direct communication.

delphi 开发的各种C/S模式 聊天程序 -delphi development of the various C/S mode chat program