WPF loading spinner

Question

The goal is to display the information that the application is working. So I\'m looking for an intelligent implementation sample of a loading spinner using WPF / MVVM.

Answer 1

To get this:

Stick this in a user control:

To get a cool disappearing effect on each ellipse add the following after each ColorAnimationUsingKeyFrames element. Be sure to point it to the correct ellipse..