Thanks for contacting us.
Well, the reason for the erroreous behavior is that you are handling the CollectionChanged
earlier than we do and since we create an internal representation of your data source when the DataBoundListBox when it's bound, the newly added item is not yet there and therefore the BringIntoView logic crashes.
So you should either do the CollectionChanged
logic on a Dispatcher
call, or simply think of another way to implement the scenario.
Let me know in case you have further questions or need assistance.
the Telerik team
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