Xceed DockingManager dropdownbutton not showing content

Question

I have an Xceed DockingManager that is bound to an observable collection of objects. The docking manager populates a dropdown button based on the number of objects within the observablecollection. While I can see that there are elements populating the dropdown contents there are no titles being displayed. Unlike the document headers I don't see a specific property to bind to for the dropdown. What property do I need to bind to in order to display the title of the document within the dropdown?

Here is what my current bindings look like in xaml

<xcad:DockingManager Grid.Row="1" Name="DockManager" DocumentsSource="{Binding InstrumentsCollectionView}" DocumentClosed="DockManager_DocumentClosed">
    <xcad:DockingManager.DocumentHeaderTemplate>
        <DataTemplate>
            <TextBlock Text="{Binding Content.Title}"></TextBlock>
        </DataTemplate>
    </xcad:DockingManager.DocumentHeaderTemplate>

    <xcad:LayoutRoot x:Name="_layoutRoot">
        <xcad:LayoutPanel Orientation="Horizontal">

            <xcad:LayoutDocumentPaneGroup x:Name="_instrumentLDPG">
                <xcad:LayoutDocumentPane x:Name="_instrumentLDP">
                </xcad:LayoutDocumentPane>
            </xcad:LayoutDocumentPaneGroup>
        </xcad:LayoutPanel>
    </xcad:LayoutRoot>
    
</xcad:DockingManager>

gwiz_kid · Accepted Answer · 2025-10-17 16:41:52Z

0

I couldn't find another property besides the DocumentHeader to bind to. In the code behind however what I did was check to see if a document was added and then bind that document Title to my object Title property at the same index within the observable collection.




        if (_instrumentLDP.ChildrenCount > numLayoutDocs)
        {
            var tvm = ((LayoutDocument)_instrumentLDP.Children[_instrumentLDP.Children.Count - 1]).Content as ViewModel;

            Binding myBinding = new Binding("Title");
            myBinding.Source = tvm;

            BindingOperations.SetBinding(_instrumentLDP.Children[_instrumentLDP.Children.Count - 1], LayoutDocument.TitleProperty, myBinding);
            numLayoutDocs = _instrumentLDP.ChildrenCount;
        }

edited Oct 17 at 16:41

answered Oct 16 at 19:30

gwiz_kid

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