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

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; }

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