How to change the window size, both can dynamically adjust the bitmap size and can guarantee the bitmap background transparent

CodePudding user response:

Can use StretchBlt scaling, can use TransparentBlt transparent display

CodePudding user response:

The bitmap stored in a memory DC first, and then get in the window the OnSize window's client area size, and then use the StretchBlt the memory DC to DC at the front desk,

CodePudding user response: