Building a simple gadget or proof-of-concept in Silverlight is a pleasurable experience. But for larger applications, we should be able to leverage some of the tried and true software development patterns to help us build reliable and robust solutions. One of the most power of these techniques is the model-view-view-model (MVVM) pattern. This session presents an example of building your applications using the MVC pattern to enable testability and separation of concerns.
For more information, check out this course on Microsoft Virtual Academy: