https://bugs.winehq.org/show_bug.cgi?id=52254
--- Comment #2 from Johnny Robeson johnny@localmomentum.net --- Created attachment 71378 --> https://bugs.winehq.org/attachment.cgi?id=71378 simple win32 application that uses DwmExtendFrameIntoClientArea
I'm not sure how helpful this is, but i attached simple example of a win32 application hat uses DwmExtendFrameIntoClientArea and almost nothing else.