Thank you for contacting Telerik support.
In general this features (AutoScroll and MinimumSize) are not supported in this view. When this view is used you should make sure that there always be enough space for the items.
As an alternative I can suggest you to use ExplorerBarView
. With this views you can achieve better appearance for this case.
I hope this information helps. Should you have any other questions, I will be glad to assist you.
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