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Opening WPF app in different resolutions

5 New Member
I have a question related to changing the screen resolution while a WPF application is running, in Windows XP with .Net Framework V3.0.

I am working with a WPF app that has graphical controls.
I open the WPF app and set it to run in the taskbar. While it is sitting on the taskbar, I change the screen resolution. At this point, if I click on the icon on taskbar to activate the app, it comes up but the controls do not respond or refresh. It is basically frozen and the only control buttons that respond are the exit and minimize buttons.
I know that this issue may be resolved by moving to .Net Framework V3.5 but we have to support this app on .Net Framework V3.0 so I'd appreciate if anybody can give me some ideas on what could be causing this issue and if there is a way to work around it.
Apr 23 '10 #1
2 4214
jhardman
3,406 Recognized Expert Specialist
I assume that what is happening is that the controls are redrawn in the new location, but the commands are still mapped to the original location. I've seen similar issues come up before, but I'm not sure of a solution. First confirm that this is happening: try to click in the area where the controls would have been had they not been redrawn to see if the commands are still mapped there. Then if that confirms my suspicions, post again and we will see if we can find a solution.

Jared
Apr 25 '10 #2
ghazark
5 New Member
Hi Jared,
Actually the problem is that the controls are not refreshed at all but the underlying functions do take place. For example, one of the controls is a slider bar for volume control and if I move the slider, I can hear the volume change but the slider position does not get updated in the GUI.
I should add that we're using layered windows and I've heard it has problems in Windows XP. Could this be related to that?
Thanks,
Karineh
Apr 26 '10 #3

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