winpcap 做一个抓包软件，语言C C++ 界面MFC做的，程序肯能比较简陋，时间有限，但是适合新手学习用，代码附带注释比较容易看懂。-winpcap to do a packet capture software, languages C C++ interface of MFC to do, the program is willing to rather crude, time is limited, but for novices to learn to use, easier