Hi Rachel,
If you want to disable the maximization of all RadTileViewItems with click/double click you should set the TileStateChangeTrigger property of the RadTileView to None. If you want to prevent the maximization of some specific items you should handle the PreviewTileStateChanged event for those items with something like this:
C#:
If you need further assistance please feel free to ask.
Regards,
Zarko
the Telerik team
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