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[Version 2.0] Avalon dock within a TabItem does not load

Jan 20, 2014 at 4:18 PM
I have a requirement to load the avalondock [1] control inside each tab of a tabcontrol.

[1] -

Before complicating this, I have written a simple poc app to just load tabItems from my viewmodel & load the dock control in each tab, xaml below...
<TabControl ItemsSource="{Binding TabItems}">
            <TextBlock Text="{Binding Header}" />
            <!--<TextBlock Text="{Binding Content}" />-->

                <TextBlock Grid.Row="0" Text="{Binding Content}"></TextBlock>
                <xcad:DockingManager Grid.Row="1" x:Name="dockingManager" VerticalAlignment="Top" Background="Red"  Width="500" Height="500" >
                        <xcad:LayoutPanel Orientation="Horizontal">
                                <xcad:LayoutDocument Title="Document 1">
                                    <TextBlock x:Name="dockTextBlock" Background="Green" VerticalAlignment="Top" Text="Hello World"></TextBlock>
My View Model is passing the following...
TabItems = new ObservableCollection<TabItem>()
    new TabItem(){Header  = "Tab 1", Content = "I am tab 1"},
    new TabItem(){Header = "Tab 2", Content = "I am tab 2"}

private ObservableCollection<TabItem> _tabItems;

public ObservableCollection<TabItem> TabItems
    get { return _tabItems; }
        _tabItems = value;
        RaisePropertyChanged(() => TabItems);

The tab items are loading correctly and I can see the Content, but the dockcontrol does not load, I was expecting to see the dockcontrol with a Hello World text box in each tab. Clearly I am missing something.

Has someone run into this? Is it a data context problem? Any thoughts?
Jan 20, 2014 at 4:52 PM
Edited Jan 20, 2014 at 4:56 PM
I can't see where you add documents and anchorables to your docking Manager.