http://bugs.winehq.org/show_bug.cgi?id=31920
--- Comment #9 from Sergey Guralnik serhio@etersoft.ru 2013-03-12 00:40:24 CDT --- (In reply to comment #8)
I've tested all software that I wanted to test with this patch and had no problems with combo boxes. So I think this patch can be committed upstream.
Slightly modified patch was sent to wine-patches@.