When the Tree is Virtualized AutoScrollToSelectedItem works only for Items that are generated. But when virtualization is on the items that are outside the ViewPort are not generated. Here is the API comment of the property
Gets or sets a value indicating whether the selected RadTreeViewItem should be scrolled into the viewport. When using virtualization this property works only for realized RadTreeViewItem(s).
However, the BringPathIntoView should do exactly what you expect - bring the item only if needed (if it is not in the VeiwPort). Since we are not aware of similar existing issue, could you please isolate this one in a separate project and send it in a Support Thread. This way we would be much better able to investigate it and advice you faster.
Thank you in advance for your cooperation.
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