Do you need to replace the Frame with ContentControl in order to use the new application logic? If you are using the TransitionControl just to enable animations then I could point you to some examples where the TransitionControl is placed in the control template of the Frame
. That way you could keep all the navigation logic within the frame and benefit the animations from the TransitionControl.
If that is not the case then I guess you could simply bind the Opacity or Visibility of the TransitionControl to IsAutorized boolean property of your view model.
the Telerik team
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