Introduction - If you have any usage issues, please Google them yourself
VC++ window, dialog box, burrow or partially transparent implementation, Oh, that' s a bit Laza, meaning that is, dig a hole in the window, through the hole may see other things, such as the contents of the lower window, Oh, do not underestimate this feature and realize it a bit tedious, but now get the source code is made up to let everyone see, experts do not laugh!