Introduction - If you have any usage issues, please Google them yourself
This code demonstrates calling a DLL written in C language specifies how to rotate a picture (with C source code), to support a smooth 360-degree image rotation, color change in the mask, or even adjust the image transparency, brightness, hue, saturation, size scaling common values such as images. Code compatible with the environment* Win98 to Win7 fixes: GetDC cause memory leak