http://bugs.winehq.org/show_bug.cgi?id=5898
--- Comment #15 from Igor Tarasov tarasov.igor@gmail.com 2008-03-29 23:03:40 --- There is similar bug in strongDC++ ( http://strongdc.sourceforge.net/ ) Sources available. Tooltips there are also broken, but I'm not sure if it is exactly the same bug.