I haven't looked much at the MBA host, but it "may" be that the main
thread was waiting for the message back from the UAC prompt (via the elevated
process pipe) and the WPF UI is receiving messages on that same thread. That
would explain the lack of messages during the prompt, but one would think it
would return to normal operation after the UAC prompt is answered.
What event/timing point are you using to start playing the video?
-----Original Message-----
From: Rob Mensching [mailto:r...@robmensching.com]
Sent: Friday, June 07, 2013 3:56 PM
To: General discussion for Windows Installer XML toolset.
Subject: Re: [WiX-users] UAC Stop the MediaElement during Applying
You might ask on a WPF forum.
On Thu, Jun 6, 2013 at 10:31 AM, Marco Tognacci <mark...@live.it> wrote:
> I have added a MediaElement to my Burn setup WPF UI.When the setup
> starts applying I play a video *.mp4 in the WPF MediaElement, but if
> the setup is started by an not administrative user the UAC Popup
> window appear after a little, and when I select OK in the UAC window
> the MediaElement freeze and I don't know hot to make this running
> during the installation after the UAC Window.Any idea how to fix it,
> and let the video running during applying even when the UAC appear?
>
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