说明：  本代码包括C#的IM 即时通讯，企业即时通讯例子,有好友列表，聊天，群聊，p2p语音，P2P视频，P2P文件传输功能，并可与WebIM互通。本代码在PRTX即时通讯SDK开发包上开发。下载代码后，你们只需要花几天自己美观下界面即可，也可以参考本代码将即时通讯功能移植到其它比如Vb6，Delphi，PB等开发的软件中。
(The code include the C# IM instant messaging, enterprise instant messaging examples, buddy list, chat, group chat, p2p voice, P2P video, P2P file transfer capabilities, and interoperability with WebIM. The code PRTX Instant Messaging SDK development kit development. Download code, you need to take a few days to own beautiful under the interface can be, the instant messaging feature ported to other software such as Vb6, Delphi, PB developed can also refer to the code. )