Progress Telerik UI for WPF

TransitionControl

Rich Animated Transitions

Get rich animated transitions between content items. RadTransition provides out-of-the-box effects that enhance style and animation in your applications.
Pixel-Shader-Based Animations

Employ pixel-shader-based animations for the best use of graphics hardware or write custom shaders to better suit your application scenario.
Integration with Other UI Controls

Easily integrate with any content control, adding transitions to more basic navigation scenarios, like switching tabs in RadTabControl.