MediaPlaybackCommandManagerPreviousReceivedEventArgs 类

定义

命名空间:

Windows.Media.Playback

提供数据或 MediaPlaybackCommandManager.PreviousReceived 事件，当命令管理器从系统媒体传输控件的 “播放 ”按钮接收命令时发生此事件。

public ref class MediaPlaybackCommandManagerPreviousReceivedEventArgs sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 196608)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class MediaPlaybackCommandManagerPreviousReceivedEventArgs final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 196608)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class MediaPlaybackCommandManagerPreviousReceivedEventArgs

Public NotInheritable Class MediaPlaybackCommandManagerPreviousReceivedEventArgs

继承

Object Platform::Object IInspectable MediaPlaybackCommandManagerPreviousReceivedEventArgs

属性

ContractVersionAttribute MarshalingBehaviorAttribute

Windows 要求

设备系列	Windows 10 Anniversary Edition (在 10.0.14393.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v3.0 中引入)

注解

通过处理 MediaPlaybackCommandManager.PreviousReceived 事件获取此类的实例。

属性

Handled

获取或设置一个值，该值指示是否已处理 PreviousReceived 事件。

方法

GetDeferral()

获取一个 Deferral 对象，该对象使系统等待你执行异步操作，例如从网络源创建新的 MediaPlaybackItem ，然后再继续处理 Previous 命令。