New Silverlight Video Tutorial: How to Make a Slide In/Out Navigation Bar – All in Blend
In this video tutorial I show you how to use Behaviors and the Visual State Manager to create a navigation bar that slides in when the user places their mouse at the top of the page and then slides away when they move their mouse away from the navigation. You can see it yourself in action Here.
My Source: http://tinyurl.com/296dqog
Enjoy! Victor Gaudioso