Mirroring one window to another

Question

I have an MFC window object with all the information about it. I\'m looking for a way to mirror it to another window so that both windows look identical. I\'ve heard it\'s possi

Answer 1

The solution was that I used DWM thumbnailing for the source window:

hr = DwmRegisterThumbnail();
hr = DwmUpdateThumbnailProperties();

as @raymond-chen suggested.