Hi Justin Lee,
I am not entirely sure what might be causing the issue from the information you gave us. However, I was wondering what is the type of the ItemsSource
collection of the RadTreeViews
. If this collection doesn't implement the INotifyCollectionChanged
interface, the RadTreeView
won't be aware whether any changes are applied to that collection thus causing the described behavior.
I prepared a sample project illustrating a possible approach towards your scenario, and I set an ObservableCollection
as an ItemsSource
of both RadTreeVies
. Please take a look at it and let me know if it works for you.
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