How can I change the background color of a button WinAPI C++

 Rectangles, Regions, and Clipping rectangular region CreateRoundRectRgn

 

https://miffyzzang.tistory.com/378
CreateWindow("button","",WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_BITMAP | BS_OWNERDRAW,   100,100,70,30,hWnd,(HMENU)IDC_BUTTON, hInst,NULL);

Creating Owner-Drawn Controls - Windows Programming

BS_OWNERDRAW   SetButtonStyle SetWindowRgn

https://stackoverflow.com/questions/18745447/how-can-i-change-the-background-color-of-a-button-winapi-c

https://www.pablosoftwaresolutions.com/html/cimagebutton.html

#pragma comment( \
    linker, \
    "/manifestdependency:\"type='win32' \
    name='Microsoft.Windows.Common-Controls' \
    version='6.0.0.0' \
    processorArchitecture='*' \
    publicKeyToken='6595b64144ccf1df' \
    language='*'\"")
https://www.pablosoftwaresolutions.com/html/ccolorbutton.html

https://stackoverflow.com/questions/17678261/how-to-change-color-of-a-button-while-keeping-buttons-functions-in-win32
https://stackoverflow.com/questions/8695185/why-my-edit-control-looks-odd-in-my-win32-c-application-using-no-mfc

https://stackoverflow.com/questions/18745447/how-can-i-change-the-background-color-of-a-button-winapi-c