http://bugs.winehq.org/show_bug.cgi?id=5557
------- Additional Comments From mikolaj.zalewski@gmail.com 2006-09-10 15:03 ------- A patch to create the tooltip during the first WM_MOUSEMOVE (as Windows does) has been commited. You can check in the current Git (or wine 0.9.23 when it is released) if it works for you too.