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Visual Studio 2010 WPF Designer loading error

Posted By: Posted Date: September 23, 2010 Points: 0 Category :WPF

I have the following error when I try to open my xaml file under Visual Studio 2010 WPF Designer :

An Unhandled Exception has occured

System.MissingMethodException

Method not found: 'Void Microsoft.Expression.DesignModel.Core.PlatformService.RegisterPlatform(System.String, System.String, System.String, Boolean)'.

Blend 4 trial is however able to open and display this file.

Under Windows 7 Professional x64.

Best regards.

Jean-Pierre

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