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[Solved] RadRibbonBackstageItem Icon Crashes Designer

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RibbonView and RibbonWindow

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Kelly asked on 16 Nov 2011, 01:26 AM

Hi:

If I add an Icon property to a RadRibbonBackstageItem, thus:

<telerik:RadRibbonBackstageItem Header="Open View" IsDefault="True" Icon="/AttnHistory;component/Images/Ribbon/page_go.png">

<StackPanel Margin="15 15 0 0">

<TextBlock Text="Stored Views" FontSize="14" FontWeight="Bold" Margin="0 0 0 2" />

<Rectangle Height="1" Fill="{StaticResource DottedLineBrush}" />

<ItemsControl ItemsSource="{Binding StoredViews}" Margin="0 4 0 0" ItemTemplate="{StaticResource StoredViewTemplate}"/>

</StackPanel>

</telerik:RadRibbonBackstageItem>

the BackstageItem element is underlined in the VS2010 XAML designer and shows an error. The associated error text is "[Line: 0 Position: 0]". The module compiles correctly, it runs correctly, and the icon is shown correctly. But working with the module in the designer is a pain in the butter. It also occasionally crashes the designer with:

System.Reflection.TargetException

Object does not match target type.

at System.Reflection.RuntimeMethodInfo.CheckConsistency(Object target)

at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)

at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)

at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, Object[] index)

at Microsoft.Expression.DesignModel.Metadata.LocalClrPropertyImplementation.GetValue(Object target)

at Microsoft.Expression.Platform.Silverlight.SilverlightDependencyPropertyImplementation.GetValue(Object target)

at Microsoft.Expression.DesignModel.Metadata.DependencyPropertyReferenceStep.GetValue(Object target)

at MS.Internal.Services.DesignModeValueProviderService.RunDesignModeValueProvider(Object target, ModelItem modelItem, Platform platform, ValueTranslationService valueTranslationService, Type runtimeType, PropertyIdentifier property, ReferenceStep referenceStep, Boolean isFirstTime, ReferenceStep shadow, Object newValue)

at MS.Internal.Services.DesignModeValueProviderService.ValueTranslationServicePropertyInvalidated(Object sender, PropertyInvalidatedEventArgs e)

at MS.Internal.Features.DesignModeValueProviderConnector.ValueTranslationServiceImpl.InvalidateProperty(ModelItem item, PropertyIdentifier property)

at Telerik.Windows.Controls.Design.SelectedDesignModeValueProvider`1.AdornerProxyBase.Activate(ModelItem item)

at Microsoft.Windows.Design.Interaction.AdornerProvider.InvokeActivate(EditingContext context, ModelItem item)

at MS.Internal.Features.AdornerProviderFeatureConnector.FeatureProvidersAdded(ModelItem item, IEnumerable`1 extensions)

at Microsoft.Windows.Design.Policies.PolicyDrivenFeatureConnector`1.OnPolicyItemsChanged(Object sender, PolicyItemsChangedEventArgs e)

at System.EventHandler`1.Invoke(Object sender, TEventArgs e)

at Microsoft.Windows.Design.Policies.ItemPolicy.OnPolicyItemsChanged(PolicyItemsChangedEventArgs e)

at Microsoft.Windows.Design.Policies.SelectionPolicy.OnSelectionChanged(Selection newSelection)

at Microsoft.Windows.Design.ContextItemManager.SubscribeProxy`1.SubscribeContext(ContextItem item)

at Microsoft.Windows.Design.SubscribeContextCallback.Invoke(ContextItem item)

at Microsoft.Windows.Design.EditingContext.DefaultContextItemManager.OnItemChanged(ContextItem item)

at Microsoft.Windows.Design.EditingContext.DefaultContextItemManager.SetValue(ContextItem value)

at MS.Internal.Designer.VSDesigner.VSDesignerClientImpl.RestoreSelection(List`1 selectionOffsetsInXamlFile)

at MS.Internal.Designer.VSDesignerClient.RestoreSelection(List`1 offsetsInXamlFile)

at MS.Internal.Designer.DesignerPane.LoadDesignerView(Boolean isReload)

Any ideas why this occurs, and is there a workaround, perhaps?

By the way, I have other Backstage items with icons that work perfectly and don't exhibit the error, such as:

<telerik:RadRibbonBackstageItem Header="New View" Command="{Binding NewButton}" IsSelectable="False" Icon="/AttnHistory;component/Images/Ribbon/page_add.png"/>

Thank you,

KO

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