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Unexpected assembly error

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Art Kedzierski
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Art Kedzierski asked on 09 Apr 2010, 05:53 PM
Out of the blue, I have started getting an assembly error when i try to debug my application. I am utilizing RadControls for WPF Q1 2010 in VS 2008:

Error   1   Could not load type 'Microsoft.Windows.Design.Metadata.ProvideMetadataAttribute' from assembly 'Microsoft.Windows.Design.Extensibility, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. Line '1' Position '491'.   C:\Documents and Settings\akedzier\My Documents\Visual Studio 2008\Projects\CCMB_WPF\WpfApplication1\panels\Panel_04.xaml   12   13   CCBM_Wpf

Here is the code it tags as problematic. It is almost verbatim from the Telerik example:
            <ControlTemplate x:Key="NewGaugeBackground"  TargetType="{x:Type ContentControl}"
                <Grid Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                    <Grid.ColumnDefinitions> 
                        <ColumnDefinition Width="20"/> 
                        <ColumnDefinition Width="*"/> 
                        <ColumnDefinition Width="20"/> 
                    </Grid.ColumnDefinitions> 
                    <Grid.RowDefinitions> 
                        <RowDefinition Height="20"/> 
                        <RowDefinition Height="*"/> 
                        <RowDefinition Height="20"/> 
                    </Grid.RowDefinitions> 
                    <Ellipse Stretch="Fill" Grid.ColumnSpan="3" Grid.RowSpan="3"
                        <Ellipse.Fill> 
                            <ImageBrush ImageSource="pack://application:,,,/images/bronze.jpg" /> 
                        </Ellipse.Fill> 
                        <Ellipse.BitmapEffect> 
                            <BevelBitmapEffect BevelWidth="20" 
                                EdgeProfile="BulgedUp" 
                                Relief="0.5" 
                                Smoothness="0.3" /> 
                        </Ellipse.BitmapEffect> 
                    </Ellipse> 
                    <Ellipse Grid.Row="1" Grid.Column="1" Stretch="Fill" Fill="White" /> 
                    <Ellipse Grid.Row="1" Grid.Column="1" Height="48" Width="48"
                        <Ellipse.Fill> 
                            <ImageBrush ImageSource="pack://application:,,,/images/bronze.jpg" /> 
                        </Ellipse.Fill> 
                        <Ellipse.BitmapEffect> 
                            <BevelBitmapEffect BevelWidth="5" 
                                EdgeProfile="BulgedUp" 
                                Relief="0.5" 
                                Smoothness="0.3" /> 
                        </Ellipse.BitmapEffect> 
                    </Ellipse> 
                </Grid> 
            </ControlTemplate> 

This has compiled and run just fine previously. Not sure what changed to cause the error.


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Andrey
Telerik team
answered on 14 Apr 2010, 12:12 PM

Hello Art,

I am sorry to hear about your difficulties while using our controls. Please login to your account and download the following zip:
http://www.telerik.com/downloads/productfiles/bacdb/VS2008_Design_Assemblies.zip

Using these design assemblies with Q1 2010 should fix the problem. If this does not work try to upgrade with our latest internal build. If the problem still persists I would like to ask you to open a separate support ticket and attach there a sample project which demonstrates the problem to test it locally and provide you with further assistance.

Regards,
Andrey Murzov
the Telerik team


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Art Kedzierski
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Andrey
Telerik team
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