CWebGrab is a simple class that allows you to quickly and easily download files from the net. The class is merely a light wrapper for the MFC internet classes, and as such supports any protocol that the MFC classes support.

net源码,使用mfc做的一个可以自动给qq发消息的,很好用的源码-Net source code, using MFC to do a can automatically send qq message, useful source

好用的vc++串口通信类,适合MFC,.NET-vc++ serialCOM