Could you please give us some more information on how you're using the RadTileView:
- Where the button and the image are? Are they in the content of the RadTileViewItem or in its Header?
If they are in the Header you can use the triggers to change the visibility of the button. If they are in the content you can you directly bind the visibility to the TileState of the ancestor of type RadTileViewItem with an converter.
I've created a sample project which demonstrates both approaches so could you examine it and if you need further assistance please feel free to ask.
the Telerik team
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