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Ribbongroups not visible issue

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RibbonView and RibbonWindow
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Arnstein
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Arnstein asked on 09 Feb 2012, 01:35 PM
Hello. We've encountered a bit of a strange problem moving from RadRibbonBar Q2.2011 to RadRibbonView with Q3.2011.

At random, let's say one out of five times the ribbongroups are not shown when the application is started. We are using Prism and the steps to add ribbongroups are as following:

1. The Ribbon is declared in XAML (Shell)
2. A module is loaded and adds it's ribbontabs, using the RegionManager. 
3. Ribbongroups are added to the ribbontabs, without using the RegionManager. RibbonGroups are reused in different modules, so I want to add them dynamically in code. 

This used to work fine in Q2, but with RibbonView and Q3 the ribbongroups are not visible at random times. When switching to another RibbonTab and back again the ribbongroups are visible again.
Using Snoop I can see that the ActualHeight and ActualWidth of the RibbonGroupsPanel is wrong (18, 314), should have been 87,1248. And the alignment og the ribbongroupspanel seems a bit off, located behind the ribbontab headers.

Do you have any idea what could be the issue here, or any remedies? Remember that this only happens at random times.
I haven't tried to recreate the issue in a testproject but that could be the next step. I realize that you don't have to much to go on here, but perhaps you know of any changes made between RibbonBar and RibbonView that could leed us to the source of the problem?

Best regards
Arnstein

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Viktor Tsvetkov
Telerik team
answered on 14 Feb 2012, 08:49 AM
Hi,

We are not aware of such issue, but actually we have made some improvements in the measurement of the RadRibbonGroups, so could you please wait for the Q1 2012 and try your application with the latest dlls?

All the best,
Viktor Tsvetkov
the Telerik team
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Arnstein
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answered on 14 Feb 2012, 01:26 PM
I'll try with Q1 when it's released and get back to you with the result.

Regards
Arnstein
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Viktor Tsvetkov
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Arnstein
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