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Old 10-26-2008   #3 (permalink)
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RE: WPF ShowModal windows and popups appear behind parent

Hi James,

I'm experiencing the same problems. Did you ever found a solution to this?

/Carl

"James" wrote:
Quote:

> I'm main developer on a WPF project which is in the early stages of
> being rolled out to a large number of customers. A few maybe 5% of
> customers are experiencing an issue where windows are appearing behind
> other windows when they should not. This has happened both with
> Popups and windows opened with ShowModal, and is occurring on XP
> machines. I've heard reports that rebooting the machine can solve the
> problem!
>
> The application is structured with a large container window that is
> the Owner of the other windows created in the app. One reproducible
> bug I've encountered is that closing one of these child windows can
> leave the container in a non-active state causing another application
> to become activated and show in front of the container window.
>
> Window z-ordering in win XP has always seemed flaky to me, is WPF
> interacting with it in an unpleasant way? Anyone experienced this?
> Any work arounds gratefully received.
>
> James
>
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