2. Laurent Bugnion Director, UX Integration @LBugnion http://blog.galasoft.ch laurent.bugnion@identitymine.com MVVM Powers Silverlight Development

3. The MVC pattern ModelView Controller

4. The MVVM pattern ModelView Presentation Model (ViewModel) DataBinding

5. Demo Simple MVVM application Exploring a more complex architecture

6. ViewModel  View ViewModel View Complicates the testing, hard coupling Hard to design and tweak MessageBox Animations Navigation

7. ViewModel  View ViewModel View Loose coupling, more flexibility Behavior is highly Blendable Behaviour Binding

8. Injecting View Services ViewModel IDialogService DialogService View injection INavigationService injection NavigationService action

9. Demo Using View Services

10. http://www.galasoft.ch/mvvmvideo1 http://www.galasoft.ch/mvvmvideo2 Twitter: @LBugnion http://blog.galasoft.ch http://www.galasoft.ch/mvvm Q&A More info

11. © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.