MVVM in Windows Phone 7

Chris Koenig
Senior Developer Evangelist
Microsoft Corporation
MVVM in Windows Phone 7

MVVM – In a nutshell
2
“…building UIs that utilize platform enhancements in WPF and Silverlight to provide good separation between UI and business logic in order to make those UIs easier to maintain by developers and designers.”
- Glenn Block

Key elements of MVVM
3

MVVM toolkits for WP7
4
View
Model
ViewModel
HomegrownShips with template
MVVM Lighthttp://mvvmlight.codeplex.com
NRoutehttp://nroute.codeplex.com
Caliburnhttp://caliburn.codeplex.com
Messages
Data Binding
Commands

MVVM toolkits for WP7
ViewModelLocator
ViewModel
DispatcherHelper
RelayCommand
EventToCommand
Messenger
5
“Blendability”

Demo - Getting Started

Relay Command
Used to send messages from the View to the ViewModel
Bind actions on View to Commands on ViewModel
Based on the familiar Command pattern
ICommand
Command Parameters
CanExecute
Attached Properties
7

EventToCommand
Blend Behavior for wiring up RelayCommands
8

Demo - Commands

Messaging
10
View
View
View
Messages
ViewModel
ViewModel
ViewModel
Messages
+ callback
© 2010 IdentityMine Inc. Used with permission

Demo – Messaging

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© 2010 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.

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MVVM in Windows Phone 7

by Chris Koenig

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