UserNotificationChangedTrigger Class

Definition

Namespace:

Windows.ApplicationModel.Background

Represents a trigger that fires when a UserNotification is added or removed.

public ref class UserNotificationChangedTrigger sealed : IBackgroundTrigger

/// [Windows.Foundation.Metadata.Activatable(Windows.ApplicationModel.Background.IUserNotificationChangedTriggerFactory, 196608, "Windows.Foundation.UniversalApiContract")]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 196608)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class UserNotificationChangedTrigger final : IBackgroundTrigger

[Windows.Foundation.Metadata.Activatable(typeof(Windows.ApplicationModel.Background.IUserNotificationChangedTriggerFactory), 196608, "Windows.Foundation.UniversalApiContract")]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 196608)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class UserNotificationChangedTrigger : IBackgroundTrigger

function UserNotificationChangedTrigger(notificationKinds)

Public NotInheritable Class UserNotificationChangedTrigger
Implements IBackgroundTrigger

Inheritance

Object Platform::Object IInspectable UserNotificationChangedTrigger

Attributes

ActivatableAttribute ContractVersionAttribute ThreadingAttribute MarshalingBehaviorAttribute

Implements

IBackgroundTrigger

Windows requirements

Device family	Windows 10 Anniversary Edition (introduced in 10.0.14393.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v3.0)

Remarks

The user notification listener requires that explicit user permission be granted before it may be used. Call BackgroundExecutionManager.RequestAccessAsync from the UI thread before attempting to access notifications.

Constructors

UserNotificationChangedTrigger(NotificationKinds)

Initializes a new instance of the UserNotificationChangedTrigger class.

See also

• IBackgroundTrigger