基于winpcap的抓包程序，用MFC实现。 本程序基于winpcap，可以实现抓包类型的选择，如ARP，IP，TCP，UDP，ICMP-Winpcap based on the Ethereal program, with the MFC implementation. The program is based on winpcap, can choose the type of packet capture, such as ARP, IP, TCP, UDP, ICMP