http://bugs.winehq.org/show_bug.cgi?id=28678
--- Comment #11 from Octavian Voicu octavian.voicu@gmail.com 2011-10-30 18:56:26 CDT --- See discussion I started on wine-devel. Patch is actually a really ugly and rough hack which makes WS_EX_TRANSPARENT windows completely invisible, but at least it highlights where the problem is.