1. Joe McBride @xamlcoder xamlcoder.com/blog Silverlight / WPF Consultant

2. Foundation Expression Blend with Silverlight Victor Gaudioso

3. Agenda  What & Why?  Model View Controller (MVC)  Model View Presenter (MVP)  Model View View-Model (MVVM)  Recap

5. What  What is an Algorithm?  “an algorithm is an effective method for solving a problem using a finite sequence of instructions” - Wikipedia

6. What  What is a Design Pattern?  “a general reusable solution to a commonly occurring problem in software design … a description or template for how to solve a problem that can be used in many different situations” - Wikipedia

7. Why?  Separate concerns – logic versus presentation  Better design, easier to maintain  Easier to do automated testing  Reuse logic across multiple applications  Be kind to your designers

9. MVC Pattern Diagram

12. MVP Pattern Diagram

15. MVVM Pattern Diagram ViewModel View Model Change Notification DataBinding & Commands