http://bugs.winehq.org/show_bug.cgi?id=31527
--- Comment #5 from Nikolay Sivov bunglehead@gmail.com 2012-11-24 09:31:13 CST --- Listview<->Form interaction is irrelevant here, your 'Update captions' button uses what is stored in Listview control. What I think is that's a header<->Listview problem, cause if I comment this HDM_SETUNICODEFORMAT I get desired behaviour and HDN_TRACKA/W is not forwarded to Listview parent in both cases.