MediaSourceStateChangedEventArgs 類別

定義

命名空間:

Windows.Media.Core

提供MediaSource物件的StateChanged事件資料。

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

繼承

Object Platform::Object IInspectable MediaSourceStateChangedEventArgs

屬性

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 需求

裝置系列	Windows 10 (已於 10.0.10586.0 引進)
API contract	Windows.Foundation.UniversalApiContract (已於 v2.0 引進)

備註

藉由處理 StateChanged 事件來取得這個類別的實例。

屬性

NewState	取得 MediaSource的新目前狀態。
OldState	取得在狀態變更之前 ，MediaSource 的先前狀態。