1. MVVM + BEHAVIORS
Better Silverlight Programing

2. MVVM Pattern
ICommand
PropertyChanged

3. What is Behavior
 A Behavior is in essence a reusable piece of
interactivity that can be applied directly to
user interface elements
 With Behavior, we can do interaction with out
code
 Behavior is reusable library, and can be
shared

4. Behaviors in Silverlight

5. Behavior DEMO

6. Behavior DEMO

7. GDEIC.AppFx.ViewModel
 ViewModelBase
 Implements INorifyPropertyChanged
 IsBusy Property
 CanInvokeCommand Property
 ShowError virtual method can be overrided
 CommandBase
 Basic implementation of ICommand
 ViewModelCommand
 Use withViewModel base

8. GDEIC.AppFx.ViewModel
 BufferedEventTrigger
 Buffer interaction event
 Filter PropertyChanged with propertyName
 Invoke ActionWith Dispatcher

9. Real Application Demo

10. Real Application Demo
Controller Interface is a contract between Server and Client

11. Real Application Demo
Client sideViewModel with Command

12. Real Application Demo
Command Implementation Details

13. Real Application Demo
Final XamlView, no code needed

14. MVVM + Behaviors Conclusion
 View is completedly separate with Code
 For Designers, Behavior is easy to use
 Behavior is optimize for Blend, with blend,
behaviors can be added to elements with
drag and drop