http://bugs.winehq.org/show_bug.cgi?id=10531
--- Comment #11 from Dmitry Timoshkov dmitry@codeweavers.com 2008-02-17 22:59:28 --- Also MSDN mentions that WM_NOTIFY/NM_CUSTOMDRAW notification is sent only to an application with appropriate manifest, and WM_DRAWITEM otherwise. So, manifests must be handled by your patch.