http://bugs.winehq.org/show_bug.cgi?id=26599
--- Comment #4 from Dmitry Timoshkov dmitry@codeweavers.com 2011-04-04 22:29:02 CDT --- (In reply to comment #3)
Yes, It's switch to Fullscreen, but switch in windows mode not work. You need press ESC for exit from FullScreen, but opened Control Panel.
So the original problem is fixed?