Visual Studio 2010 Silverlight Designer Crash - by Lutz Hoffmann

Status : 

  Deferred<br /><br />
		The product team has reviewed this issue and has deferred it for consideration at a later time.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

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ID 648819 Comments
Status Closed Workarounds
Type Bug Repros 1
Opened 3/2/2011 5:16:04 AM
Access Restriction Public


In our Silverlight Application we are using System.Windows.Interactivity.dll and Microsoft.Expression.Interactions.dll from the Blend 4 SDK. 
I derived a class from KeyTrigger. When I use this class in XAML code the Designer crashes with the following exception:

Type universe cannot resolve assembly: Microsoft.Expression.Interactions, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35.

The application compiles and runs fine.
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Posted by Microsoft on 6/9/2011 at 2:04 PM
Mr. Hoffrmann,

Thank you for reporting your issue. We have reproduced your issue with the solution provided against Dev10 RTM and have moved this issue to our Product log to continue the investigation. Currently, there is no workaround for this issue. Our hope is to address this issue in our next major release.

We apologize for the trouble this matter may have caused.

Sam Harrell
WPF/SL Designer in Visual Studio
Sam.Harrell @
Posted by Microsoft on 3/2/2011 at 7:17 PM
Thank you for submitting feedback on Visual Studio 2010 and .NET Framework. Your issue has been routed to the appropriate VS development team for review. We will contact you if we require any additional information.
Posted by Microsoft on 3/2/2011 at 6:13 AM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(