Beginning with Windows Phone 8, each Windows Phone app is provided with its own contact store. Your app can add or remove contacts from the store, and contacts that are present in the store are displayed in the phone’s People Hub.
The contact store is retrieved by calling the
Windows.Phone.PersonalInformation.ContactStore class’s static
CreateOrOpenAsync method. If the store does not exist, it is created the first time the method is called. To add a contact to the contact store, create a
StoredContact instance and call its
SaveAsync method, as demonstrated in the following example:
ContactStore store = await ContactStore.CreateOrOpenAsync();StoredContact contact = new ...