Objective 2.1: Access and display contacts
Windows Store apps can use the contact picker to enable users to access their contacts to be able to share content from within the application. The Windows.ApplicationModel.Contacts namespace provides the options for selecting contacts through a Windows Store app. An app can pick contacts from one or more Windows Store apps by selecting the provider of contacts from a drop-down list.
Windows Store apps can act as contact providers by declaring the contact picker extension in the package manifest. These apps are available in the people picker drop-down menu when the user selects one or more contacts.
The ContactPicker class is used to set up the user interface (UI). The ContactPickerUI class, provided by ...