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SL4 upgrade - problems again with windows newly opened window appearing behind previously opened window

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Giancarlo Aguilera
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Giancarlo Aguilera asked on 18 Jun 2010, 07:46 PM
Hello,

I am using version of SL 4 RAD controls. I am having the same problem described here (http://www.telerik.com/community/forums/silverlight/window/modal-dialog-appearing-behind-parent-radwindow.aspx#0). In SL3 the workaround of using BeginInvoke worked great. In SL4 however it stopped working so I instead wait half a second before showing the window. This seems to have resolved most problems but now QA is reporting another occurrence of this problem and sure enough it's happening. Any ideas please on how to resolve this issue?

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George
Telerik team
answered on 22 Jun 2010, 04:55 PM
Hi Giancarlo Aguilera,

Thank you for contacting Telerik Support.

You can try calling BeginInvoke in BeginInvoke. I suggest you try this code:

Dispatcher.BeginInvoke(new Action(() =>
{
   Dispatcher.BeginInvoke(() =>
   {
      // your code goes here
   });
}));


Please tell me if this information helps. I will be glad to assist you further.


All the best,
George
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Giancarlo Aguilera
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answered on 22 Jun 2010, 05:00 PM
Hello,

I am OK now. I am doing what you suggested only that instead of having a nested BeginInvoke I am instead waiting half a second via a timer and then display.

Having said this, these sorts of workarounds seem odd but it is what it is I guess. I certainly understand this is the SL platform we are dealing with here and that probably some pretty complicated stuff is being done by the Telerik windows. Overall I am very satisfied with you SL controls.

Thank you
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George
Telerik team
answered on 23 Jun 2010, 11:25 AM
Hello Giancarlo Aguilera,

I am glad that the issue you were facing is now resolved. Please do not hesitate to contact us if you have any additional questions.

It was pleasure for me to assist you. Wish you a great day.


Kind regards,
George
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Giancarlo Aguilera
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answered on 30 Jun 2010, 05:25 PM
Hello,

I spoke too soon. This issue is still randomly happening on various machines. I am not able to repro the issue on my dev box. However, QA continues reporting the issue and I just got back from seeing the issue live from a QA analyst's desk.

How do I troubleshoot this? This is SL4. It's a real problem.

Please advise. Thank you

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Giancarlo Aguilera
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answered on 01 Jul 2010, 04:09 PM
Hello,

It's me again. I REALLY need assistance resolving this problem. Because of the "bizareness" of the issue now management is asking me to consider replacing the RAD windows with something else. That's crazy! Please advise
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Miroslav Nedyalkov
Telerik team
answered on 02 Jul 2010, 11:05 AM
Hi Giancarlo,

If you could send us a sample project that reproduces the issue and some more information when it happens and on what configurations, this would help a lot to investigate what the problem is.

Greetings,
Miroslav Nedyalkov
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Giancarlo Aguilera
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George
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Giancarlo Aguilera
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Miroslav Nedyalkov
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