Socket,端口监听，实现聊天室，点对点文件传输。-Socket, port monitor, the realization of chat rooms, peer-to-peer file transfer.

Visual CSHARP实现网络点对点通讯程序，即一个简简单点对点聊天软件，可以多人同时使用。，已通过测试。 -Visual CSHARP achieve the network peer-to-peer communication program, that is, a simply point-to-point chat software, you can multiple users. , Has been tested.