下面就给出一个简单的示例,该示例可以捕获到所有经过本地网卡的数据包,并可从中分析出协议、IP源地址、IP目标地址、TCP源端口号、TCP目标端口号以及数据包长度等信息。-Now, given a simple example, the sample can catch all through local LAN data packets can be analyzed from the agreement, IP source address, IP destination address, source port TCP, the TCP port number and the objective data packet length, and other information.

server/client结构，可通过客户端搜索商品种类、价格。-server/client structure, the client can search commodities prices.

TCP C#网络传输，网络传输需要的代码，可供参考，会有所不同，但可以学习其中的原理。                                                                  

类似netstatp的获得当前所有tcp连接信息，数据包发送接收等信息的的程序-Netstatp similar access to all current tcp connection information, data packets sent to receive this information, including procedures

FTP服务端源码，有了他，自己编一个Server-U，^_^-FTP server source code, with his own series of a Server-U, ^ _ ^

This a good FTP Client Source

一个Blog程序-Procedures for a Blog

聊天功能 聊天功能 聊天功能 聊天功能 聊天功能-Chat chat chat chat chat chat chat chat chat

简单的ftp客户端功能的实现 -Simple ftp client functions realize

tcp socket for communication