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Error when closing UXDialogBox using MVVM

1 reply. Last post: January 3, 2012 3:35 AM by Yudi
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Posted: December 31, 2011 6:17 PM

Following your sample project  Contacts_MVVM, I have tried to reproduce the way you created and used dialog boxes.  After the result closes and it runs into the OnWindowClosed event there is an Application_UnhandledException that says "System.InvalidOperationException: Reference is not a valid visual DependencyObject."

Any idea what could be causing this?

 

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Yudi Member
Posted: January 3, 2012 3:35 AM in response to Katerina Ford

I tried to reproduce the problem in my local tests by creating a simple page with UXButton to show dialog box but my efforts were not successful -- everything worked smoothly and the dialog box was accessed without any issues.

I’m willing to advise you further but in order to do so I would need you to elaborate on your specific scenario and possibly give me a step-by-step guide that I can use to observe the problematic behavior.

I enclose the xaml page and the view model class of my sample page as attachment. Should you find anything that I miss during my attempt to replicate the issue, please kindly let me know.

1 attachment
Issues with Web grid
ClientUI 6 for Silverlight and WPF has released
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