ContactChangeReader Class

Reference

Definition

Namespace:: Windows.ApplicationModel.Contacts

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Edit

Provides a way to monitor and react to changes to contacts.

public ref class ContactChangeReader sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class ContactChangeReader final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class ContactChangeReader

Public NotInheritable Class ContactChangeReader

Inheritance: Object Platform::Object IInspectable ContactChangeReader

Attributes: ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v1.0)
App capabilities	contactsSystem

Remarks

Call the GetChangeReader method to get an instance of this class.

Methods

AcceptChanges()	Call this method to indicate that you have processed and accepted all changes and you don't want the system to show them to you again.
AcceptChangesThrough(ContactChange)	Call this method to indicate that you have processed and accepted up through the specified change.
ReadBatchAsync()	Asynchronously gets a list of ContactChange objects.

Applies to