UserNotificationChangedTrigger 類別

定義

命名空間:

Windows.ApplicationModel.Background

表示新增或移除 UserNotification 時引發的觸發程式。

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

繼承

Object Platform::Object IInspectable UserNotificationChangedTrigger

屬性

ActivatableAttribute ContractVersionAttribute ThreadingAttribute MarshalingBehaviorAttribute

實作

IBackgroundTrigger

Windows 需求

裝置系列	Windows 10 Anniversary Edition (已於 10.0.14393.0 引進)
API contract	Windows.Foundation.UniversalApiContract (已於 v3.0 引進)

備註

使用者通知接聽程式需要先授與明確的使用者許可權，才能使用。 嘗試存取通知之前，請先從 UI 執行緒呼叫 BackgroundExecutionManager.RequestAccessAsync 。

建構函式

UserNotificationChangedTrigger(NotificationKinds)

初始化 UserNotificationChangedTrigger 類別的新實例。

另請參閱

• IBackgroundTrigger