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After VS2008 to VS2010 update: Cannot work with WPF editor

Apr 29, 2010 at 6:32 PM

Hi !

I have a WPF application with the Fluent ribbon. After I ported from Visual Studio 2008 to 2010 (final) I'm having trouble with the WPF editor. Sometimes the ribbon becomes visible but I cannot select anything in the WPF windows (in design mode), sometimes an exception is reported when I try to load the window WPF editor. The exception is something like "Unable to cast object" from DocumentCompositeNode to ResourceDictionary.

Yes, I changed from 3.5 to 4.0 and I also changed my project target to .NET 4.0

Currently my work is stopped!

Any help is highly appreciated!!!



Apr 29, 2010 at 7:41 PM
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Apr 29, 2010 at 7:48 PM

Our fault, we write XAML in XML editor and do not see what is happening in the editor. This editor is changed heavily in VS2010. We will investigate this issue.
I know that is not a workaround, but can you try to use Blend instead of [damned]Cider editor?


Apr 29, 2010 at 7:59 PM

Hello Daniel,

I can try to use Blend but I usuall do everything with VS so that would really be no good workaround:(

I let you know tomorrow.

I just saw another discussion titled "Big Problems with VS 2010 RTM" on this list. Did you read it? Sounds pretty much like the same problem!



Apr 30, 2010 at 8:47 AM

Hi Daniel,

today I tried to open the project with Expression Blend 4 RC. This seems to work ok. One problem is that clicking on RibbonTabItems in the designer does not switch between the tabs. But that might be another issue.

I again tried some things under VS2010 RTM (clean + rebuild etc.). Does yet not work there.

Please let us know if there is any workaround.

Thanks for your help.


Apr 30, 2010 at 8:51 AM
Edited Apr 30, 2010 at 8:52 AM

That issue was fixed. You can try to download the latest sources & build.


Apr 30, 2010 at 10:24 AM

Seems to work!