Thank you for contacting us. I assume you have an MVVM scenario and your ViewModel (a.k.a. business object) is a UIElement, since you are passing it as content to a UserControl (notice that the Content property is of type UIElement).
Such approach is not recommended and is often considered as bad practice in MVVM scenarios.
The rule of thumb is that your ViewModel should be a simple object comprised of properties which are NOT UIElements.
For more information on how to use RadSlideView properly, please refer to its documentation
. In addition, I've attached a sample project demostrating RadSlideView's usage in MVVM scenario.
Don't hesitate to contact us if you have further question or comments.
the Telerik team
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