MediaSourceStateChangedEventArgs 类

定义

命名空间:

Windows.Media.Core

为 MediaSource 对象的 StateChanged 事件提供数据。

public ref class MediaSourceStateChangedEventArgs sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 131072)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class MediaSourceStateChangedEventArgs final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 131072)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class MediaSourceStateChangedEventArgs

Public NotInheritable Class MediaSourceStateChangedEventArgs

继承

Object Platform::Object IInspectable MediaSourceStateChangedEventArgs

属性

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列	Windows 10 (在 10.0.10586.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v2.0 中引入)

注解

通过处理 StateChanged 事件获取此类的实例。

属性

NewState	获取 MediaSource 的新当前状态。
OldState	获取状态更改之前 MediaSource 的先前状态。