[Bug 11424] Canon Digital Photo Professional (DPP) pane refresh
wine-bugs at winehq.org
wine-bugs at winehq.org
Sat Oct 17 09:08:56 CDT 2009
http://bugs.winehq.org/show_bug.cgi?id=11424
--- Comment #23 from Nikolay Sivov <bunglehead at gmail.com> 2009-10-17 09:08:55 ---
Created an attachment (id=24198)
--> (http://bugs.winehq.org/attachment.cgi?id=24198)
treeview background fill fix
Here is an updated version of the same patch.
Problem description:
For subclassed controls (like in this application) it's ok not to forward
WM_ERASEBKGND to original window procedure, instead only WM_PAINT is forwarded
with NULL wParam which leads to BeginPaint/EndPaint sequence. After that
returned PAINTSTRUCT contains not zero fErase field - it means we need to fill
background before making main WM_PAINT painting.
This fact currently is completely ignored for Wine common controls.
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