On Wed, 3 Sep 2003, George Marshall wrote:
Hi I've already submitted this bug to the wine bugzilla but I'm posting it here as well 'cause... oh well you know.
In your bug report you say:
Oh, I forgot to say that the same application is wortking correctly on Windows. i've also tried to use natively the comctl32 dll that comes with windows with no luck.
Which seems to suggest there's something afoot with the Z-order or the invalidate region. Murky areas... Possibly another related bug:
http://bugs.winehq.org/show_bug.cgi?id=1091
Difficult stuff to fix. Alexandre had this on some point on his TODO, I'm not sure if he had time to look into it.