DeviceWatcherTrigger 类

定义

命名空间:

Windows.ApplicationModel.Background

表示一个事件，该事件导致后台任务在设备列表发生更改时运行。 由 GetBackgroundTrigger 返回。

public ref class DeviceWatcherTrigger sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Standard)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
class DeviceWatcherTrigger final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Standard)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.MTA)]
public sealed class DeviceWatcherTrigger

Public NotInheritable Class DeviceWatcherTrigger

继承

Object Platform::Object IInspectable DeviceWatcherTrigger

属性

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

实现

IBackgroundTrigger

Windows 要求

设备系列	Windows 10 (在 10.0.10240.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v1.0 中引入)

另请参阅

• IBackgroundTrigger