Introduction - If you have any usage issues, please Google them yourself
MFC message mapping mechanism analysis on how to use ClassWizard,, the message sent to the window to understand how the MFC framework through window handles mapping table and message mapping table to use the window class response to the function. Master device and its wrapper class using the CDC, CDC is how to correlate with a specific device, the integration of specific drawing program for analysis. How to set the closed graph of the fill brush (digital pictures brush and transparent use of the brush).