http://bugs.winehq.org/show_bug.cgi?id=10355
--- Comment #2 from EA Durbin ead1234@hotmail.com 2007-11-07 19:37:00 --- This function is not supposed to return S_FALSE, but rather DXFILEERR_BADVALUE on failure
http://msdn2.microsoft.com/en-us/library/bb174498.aspx
sending patch to wine-patches