ToastNotificationHistoryChangedTrigger Class

Definition

Namespace:

Windows.ApplicationModel.Background

Represents an event that causes a background task to run when the history of toast notifications for the app is cleared, when one or more toast notifications are added to or removed from the notification history for the app, or when one or more toast notifications for the app expire and are removed from the notification history.

public ref class ToastNotificationHistoryChangedTrigger sealed : IBackgroundTrigger

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
/// [Windows.Foundation.Metadata.Activatable(Windows.ApplicationModel.Background.IToastNotificationHistoryChangedTriggerFactory, 65536, "Windows.Foundation.UniversalApiContract")]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class ToastNotificationHistoryChangedTrigger final : IBackgroundTrigger

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
[Windows.Foundation.Metadata.Activatable(typeof(Windows.ApplicationModel.Background.IToastNotificationHistoryChangedTriggerFactory), 65536, "Windows.Foundation.UniversalApiContract")]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class ToastNotificationHistoryChangedTrigger : IBackgroundTrigger

function ToastNotificationHistoryChangedTrigger(applicationId)

Public NotInheritable Class ToastNotificationHistoryChangedTrigger
Implements IBackgroundTrigger

Inheritance

Object Platform::Object IInspectable ToastNotificationHistoryChangedTrigger

Attributes

ActivatableAttribute ContractVersionAttribute ThreadingAttribute MarshalingBehaviorAttribute

Implements

IBackgroundTrigger

Windows requirements

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

Constructors

ToastNotificationHistoryChangedTrigger()	Creates and initializes a new instance of the ToastNotificationHistoryChangedTrigger class.
ToastNotificationHistoryChangedTrigger(String)	Creates and initializes a new instance of the ToastNotificationHistoryChangedTrigger class for the app with the specified identifier.

See also

• IBackgroundTrigger