user32: add test cases for update rects affected by ShowWindow

Dmitry Timoshkov dmitry at
Mon Feb 12 00:01:42 CST 2007

"Clinton Stimpson" <cjstimpson at> wrote:

> This patch adds a test to check the results of GetUpdateRect when a 
> child window is hidden.
> See bug #7360.  Wine incorrectly makes an update rect for the 
> grandparent window which has a todo_wine around it.
> Thanks,
> Clinton Stimpson
> ChangeLog:
>    Add test for GetUpdateRect and ShowWindow interaction.

After looking at this test once more, I think we need another test with
windows without CS_PARENTDC style set in order to understand better what
the proper behaviour is.


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