C#编写简单的聊天程序
http://www.cnblogs.com/JimmyZhang/archive/2008/09/07/1286299.html
C#网络编程(基本概念和操作) - Part.1
http://www.cnblogs.com/JimmyZhang/archive/2008/09/07/1286300.html]
C#网络编程(同步传输字符串) - Part.2
http://www.cnblogs.com/JimmyZhang/archive/2008/09/07/1286301.html
C#网络编程(异步传输字符串) - Part.3
http://www.cnblogs.com/JimmyZhang/archive/2008/09/16/1291854.html
C#网络编程(订立协议和发送文件) - Part.4
http://www.cnblogs.com/JimmyZhang/archive/2008/09/16/1291857.html
C#网络编程(接收文件) - Part.5
http://www.cnblogs.com/JimmyZhang/archive/2008/09/16/1291858.htm