Hello Donna Rich,
I am not sure that I understand your scenario clearly but I can answer your question:
The right click in Silverlight can be disabled by handling one of the Telerik routed events:
MainPage : UserControl
sender, MouseButtonEventArgs e)
(e.ChangedButton == MouseButton.Right)
Please note that your Silverlight application needs to be windowless.
The example above is attached to my reply.
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