https://bugs.winehq.org/show_bug.cgi?id=56149
--- Comment #17 from Gabriel Ivăncescu gabrielopcode@gmail.com --- Created attachment 75858 --> https://bugs.winehq.org/attachment.cgi?id=75858 Update it also before SetWindowPos.
Just to confirm, does this patch help? I'm not sure if it's a good way, looks like a hack, but at least as a confirmation.