一个用于SPI截获网络数据包的动态链接库，其中的封包数据通过WM_COPYDATA发送到前台主窗口，在XP下，VC6编译通过-SPI intercepted for a data packet network the dynamic link library, the data packets sent through the WM_COPYDATA main window to the front of the stage, in XP, compiled by VC6