Building Composite Applications with WPF Tomer Shamam Smart Client Manager Sela Group

Agenda Complex UI Challenges Composite Application Guidance for WPF Q & A Summary

Complex UI Challenges Develop Pieces Independently Application Evolves Over Time Deployment Issues Testability

Composite Application

Modules and Bootstrapper Functional Independent Discoverable Pluggable Deployment Module Views Logic Services ConcernsContainsContains

DEMO Working with Modules

Shell and Views Usually Main Window Multiple views Named regions Top-level elements Appearance and behavior Styles and Templates Region

DEMO Constructing the Shell

Separated Presentation  View bounds-to Model  Presenter updates View Model Presenter View IView Model Presentation Model View  View bounds-to presentation model  Presentation model updates, queries and observes model  Presentation model notifies View for changes Supervising Controller Presentation Model

DEMO Implementing Separated Presentation

Event Aggregator Site Map Module Site Map Module Endpoints Module Commanding & LCE Details Presenter Endpoints View Endpoints View OpenSite DelegateCommand ExecuteHandle Endpoints Module SiteMap Presentation Model Endpoints View Endpoints View Site Selected Event CompositeWpfEvent Publish Handle

DEMO Communicating through Commands and LCE

Limitations Not relevant for small projects Not applicable for CAB migration New patterns and concepts adoption Strict rules and discipline Performance

Q & A

Summary Complex UI’s are hard to maintain and extend Composite Applications are the solution for Complex UI’s Composite Application Guidance for WPF is the solution for Composite WPF Application

Additional Resources MSDN CodePlex Essential WPF Article (Glenn Block)

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