Selecting phone book contacts in Windows Phone using MVVM

Introduction:
Windows phone API allows us to access the phone book contact list using the code. Contacts are fetched in an observable list with details like Display Name, Company, Phone Number etc bundled in the Contacts object. These contacts can then be displayed in a list box with required details.
Following examples demonstrates the same.

Description:
We will use the Contacts class to fetch the details of phone book contacts.
To start with windows phone Contacts class first and foremost requirement is that of adding a capability of ID_CAP_CONTACTS in the WMAppManifest.xml file.
To add a capability either edit the XML or select the Capabilities tab from WMAppManifest.xml file and select the ID_CAP_CONTACTS check box located in the left part of the screen. Continue reading