http://bugs.winehq.org/show_bug.cgi?id=5971
--- Comment #6 from Jaime Rave jaimerave@gmail.com 2008-02-04 10:53:30 --- I found an old patch that wasn't accepted but seems to implement some of the things that are missing here, maybe it can help a little bit if someone take a look at it.
http://www.winehq.org/pipermail/wine-patches/2006-February/023911.html