http://bugs.winehq.org/show_bug.cgi?id=18934
--- Comment #2 from Austin English austinenglish@gmail.com 2009-06-14 13:38:08 --- (In reply to comment #1)
(In reply to comment #0)
On windows, the Yes has a ClassNN of 'Button1', and No is 'Button2'. On wine, they're 'Button6' and 'Button7'.
Could this be related to bug 11657?
That bug is mostly fixed, aside from a missing accelerator.