[Bug 16595] Scroll bars don't work on 4D 6.5.4

Thu Mar 26 04:24:21 CDT 2009

http://bugs.winehq.org/show_bug.cgi?id=16595

Rein Klazes <wijn at online.nl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1

--- Comment #9 from Rein Klazes <wijn at online.nl>  2009-03-26 04:24:21 ---
I can see the bug allright. It doesn't happen with 100% repeatability but after
some mouse clicking/dragging the scroll bar in any way it stops functioning.

The reason is getting clear as well: after the WM_LBUTTONDOWN message, the app
sends first a WM_CANCEL message, followed by a new  WM_LBUTTONDOWN message. 
The first message should ( I suppose) cancel the scrollbar tracking, and the
second start it anew. Wine does not cancel this tracking, which leads to
multiple lines of execution tracking the scrollbar and not enough WM_LBUTTONUP
messages to finish them all. 

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