通过

CachedFileUpdaterTrigger 类

  • 参考

定义

命名空间:
Windows.ApplicationModel.Background
编辑

表示启动后台任务以启用缓存文件更新程序协定的触发器。

public ref class CachedFileUpdaterTrigger sealed
/// [Windows.Foundation.Metadata.Activatable(65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class CachedFileUpdaterTrigger final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
class CachedFileUpdaterTrigger final
[Windows.Foundation.Metadata.Activatable(65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class CachedFileUpdaterTrigger
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
public sealed class CachedFileUpdaterTrigger
function CachedFileUpdaterTrigger()
Public NotInheritable Class CachedFileUpdaterTrigger
继承
Object Platform::Object IInspectable CachedFileUpdaterTrigger
属性
ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute
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)

注解

在手机外形规格上，如果不显示 UI，则无法启动应用。 此类使手机应用能够使用后台任务来更新缓存的文件。

构造函数

CachedFileUpdaterTrigger()

初始化 CachedFileUpdaterTrigger 类的新实例。

适用于

另请参阅