1. MVVM Design Pattern
Ashraf Naser
a3ssely@Hotmail.com | +201094951890

2. Overview
 What is MVVM
 What is Data Binding
 Binding
 Notifications
 Live Demo

3. Motivation for the MVVM
separation of concernsdeveloper-designer workflowincreases application testability

4. What is MVVM ?
View
UI
View Model
Logic
Model
Data objects
Business Logic
Data Binding Notification

5. What is Data Binding ?
Dependency
property
property
OneWay
Two Way
OneWay to source

6. Notifications Interfaces !
View ModelINotifyPropertyChanged
 INotifyPropertyChanged
Consists of an event Raised up to notify them when changes happens theView or the Model

7. Binding Interfaces !
 ICommand
View View ModelICommand
It consist of two methods [Execute and CanExecute] and an event in order to implement some logic

8. Demo Time 

9. References
Youtube tutorials
English :
http://bit.ly/1QF766I
Arabic :
http://bit.ly/1o35L0b
Windows 10 using MVVM :
http://bit.ly/1o36cHY

10. @EGAppFactory
/EGAppFactory
Thank You 
Stay Connected
Feedback Is The Breakfast of Champions