Introduction - If you have any usage issues, please Google them yourself
This is a double-buffering on the VC++ sample source code analysis, previously often seen many people on the forum discussing the problem of double buffering, and later he himself was looked for information online, but it feels a little messy, and are mostly related to DirectX , there is no reference to an instance of rookies, so own one, mainly to explain the principles of double-buffering and double buffering in GDI VC++ for Implementation of the drawing environment