http://bugs.winehq.org/show_bug.cgi?id=20960
--- Comment #2 from Henri Verbeet hverbeet@gmail.com 2009-12-08 14:15:55 --- Created an attachment (id=25131) --> (http://bugs.winehq.org/attachment.cgi?id=25131) patch
That commit exposes a flaw in wined3d's window message handling. The attached patch fixes the regression, but is incorrect.