The type 'WindowsUIXamlBindingWrapper' was not found in XAML

Question

 Hi!

I'm building an app with movable objects inside a Canvas. To do that I template a Thumb as follows:

 

<ControlTemplate x:Key="DesignerItemTemplate" TargetType="ContentControl">
    <Grid>
        <Thumb Template="{StaticResource ThumbTemplate}" DragDelta="mictmb_DragDelta_1" 
               DataContext="{Binding RelativeSource={RelativeSource TemplatedParent}}" />
        <ContentPresenter Content="{TemplateBinding ContentControl.Content}" />
    </Grid>
</ControlTemplate>

The error list shows "The type 'WindowsUIXamlBindingWrapper' was not found", related to the entry:

 DataContext="{Binding RelativeSource={RelativeSource TemplatedParent}}"

However, the app runs OK , so I don't know how to get rid of that message.

This works ok in .net 3.5. I have Win8 RC with VS 2012 Beta.

Any ideas?

df

 

Answer 1

Thanks for the report!

Unfortunately, I can reproduce this issue as well. I will file an issue to track this feedback.

Thanks!
Unni

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Unni Ravindranathan, Program Manager, Microsoft Expression This posting is provided "AS IS" with no warranties, and confers no rights.

Answer 2

Any update on this problem?

Thanks
Jonas

Answer 3

Just thought I'd share that I have the same issue. App runs fine, just would like to not have the errors.

<ListBox.ItemTemplate> 
<DataTemplate>  
<Grid>   
<TextBlock VerticalAlignment="Center"  Width="255" Text="{Binding RM.FullName}"/>   
<Button VerticalAlignment="Center"   Content="-" Command="{Binding RMM}" Width="45" Height="32" HorizontalAlignment="Right" Foreground="Red" BorderBrush="Red" DataContext="{Binding ElementName=lb,Path=DataContext}" Padding="12,0,12,4"/>                
</Grid> 
</DataTemplate>
</ListBox.ItemTemplate>

Answer 4

Any update for this? i have the same problem :)

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Answer 5

 

<ControlTemplate x:Key="DesignerItemTemplate" TargetType="ContentControl">
    <Grid>
        <Thumb Template="{StaticResource ThumbTemplate}" DragDelta="mictmb_DragDelta_1" 
               DataContext="{Binding RelativeSource={RelativeSource TemplatedParent}}" />
        <ContentPresenter Content="{TemplateBinding ContentControl.Content}" />
    </Grid>
</ControlTemplate>

I am doing the same thing as you. i am using a Thumb with almost the same controltemplate. did you solve this problem in any other way?

Answer 6

I have the same issue.

At least it works @ runtime.

Seems ANY attempt to bind DataContext fails (@ designtime).