Hi Miha Markic,
You can read this blog-post
. It is for Silverlight but the same technique apply for WPF. If you have successfully replaced the ContentPresenter with RadTransitionControl it will not teach you something new though. The transitions looks cool but uses CPU and add some overhead on the Control's template so we don't have intentions on replacing the ContentPresenters with RadTransitionControl.
the Telerik team
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