Hello, Patrick,
Note that depending on the items count in
RadListView, the vertical scrollbar is calculated and the thumb's size is adjusted. Hence, the more items you add to
RadListView, the smaller the thumb gets. It is desired behavior. Manipulating the ThumbElement.
MinSize and forcing its height is not recommended as it won't display proper indication for the available items according to the scrollbar and the scrolling behavior may not perform properly.
I hope this information helps.
Regards,
Dess
Progress Telerik
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