共用方式為

PlayToSourceRequestedEventArgs 類別

  • 參考

定義

命名空間:
Windows.Media.PlayTo
編輯

提供 SourceRequested 事件的相關信息。

public ref class PlayToSourceRequestedEventArgs sealed
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.Deprecated("PlayToSourceRequestedEventArgs may be altered or unavailable for releases after Windows 10.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class PlayToSourceRequestedEventArgs final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Deprecated("PlayToSourceRequestedEventArgs may be altered or unavailable for releases after Windows 10.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, "Windows.Foundation.UniversalApiContract")]
class PlayToSourceRequestedEventArgs final
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.Deprecated("PlayToSourceRequestedEventArgs may be altered or unavailable for releases after Windows 10.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class PlayToSourceRequestedEventArgs
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Deprecated("PlayToSourceRequestedEventArgs may be altered or unavailable for releases after Windows 10.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, "Windows.Foundation.UniversalApiContract")]
public sealed class PlayToSourceRequestedEventArgs
Public NotInheritable Class PlayToSourceRequestedEventArgs
繼承
Object Platform::Object IInspectable PlayToSourceRequestedEventArgs
屬性
ContractVersionAttribute DeprecatedAttribute MarshalingBehaviorAttribute

Windows 需求

裝置系列
Windows 10 (已於 10.0.10240.0 引進)
API contract
Windows.Foundation.UniversalApiContract (已於 v1.0 引進)

範例

// Play To Contract

private Windows.Media.PlayTo.PlayToManager ptm = 
        Windows.Media.PlayTo.PlayToManager.GetForCurrentView();

protected override void OnNavigatedTo(NavigationEventArgs e)
{
    ptm.SourceRequested += sourceRequestHandler;
}

private void sourceRequestHandler(
    Windows.Media.PlayTo.PlayToManager sender,
    Windows.Media.PlayTo.PlayToSourceRequestedEventArgs e)
{
    try
    {
        e.SourceRequest.SetSource(mediaElement.PlayToSource);
    }
    catch (Exception ex)
    {
        messageBlock.Text += "Exception encountered: " + ex.Message + "\n";
    }
}

' Play To Contract

Private ptm As Windows.Media.PlayTo.PlayToManager =
        Windows.Media.PlayTo.PlayToManager.GetForCurrentView()

Protected Overrides Sub OnNavigatedTo(e As Navigation.NavigationEventArgs)
    AddHandler ptm.SourceRequested, AddressOf sourceRequestHandler
End Sub

Private Sub sourceRequestHandler(
    sender As Windows.Media.PlayTo.PlayToManager,
    e As Windows.Media.PlayTo.PlayToSourceRequestedEventArgs)

    Try
        e.SourceRequest.SetSource(mediaElement.PlayToSource)
    Catch ex As Exception
        messageBlock.Text &= "Exception encountered: " & ex.Message & vbCrLf
    End Try
End Sub

備註

您可以使用 類別的 SourceRequest 屬性，在 SourceRequested 事件期間，將媒體從您的應用程式傳遞至 Play To。

如需如何在應用程式中使用 Play To 的範例，請參閱 PlayReady DRM。

屬性

SourceRequest

取得要連接到 Play To 目標的媒體物件。

適用於

另請參閱