http://bugs.winehq.org/show_bug.cgi?id=16466
--- Comment #26 from Mikolaj Zalewski mikolaj.zalewski@gmail.com 2009-01-20 13:10:26 --- My patch got in. You can send yours, modifying comctl32/treeview.c and comctl32/test/treeview.c (the latter to remove the todo_wine tags - 'make test' in tests should succeed after the patch).