MediaPlaybackTimedMetadataTrackList Class

Definition

Namespace:: Windows.Media.Playback

Edit

Represents a read-only list of TimedMetadataTrack objects.

public ref class MediaPlaybackTimedMetadataTrackList sealed : IIterable<TimedMetadataTrack ^>, IVectorView<TimedMetadataTrack ^>

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.DualApiPartition(version=167772160)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class MediaPlaybackTimedMetadataTrackList final : IIterable<TimedMetadataTrack>, IVectorView<TimedMetadataTrack>

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.DualApiPartition(version=167772160)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class MediaPlaybackTimedMetadataTrackList : IEnumerable<TimedMetadataTrack>, IReadOnlyList<TimedMetadataTrack>

Public NotInheritable Class MediaPlaybackTimedMetadataTrackList
Implements IEnumerable(Of TimedMetadataTrack), IReadOnlyList(Of TimedMetadataTrack)

Inheritance: Object
MediaPlaybackTimedMetadataTrackList

Attributes: ContractVersionAttribute DualApiPartitionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Implements: IEnumerable<T> IEnumerable<TimedMetadataTrack> IReadOnlyList<TimedMetadataTrack>

Windows 10 requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v1.0)

Remarks

Get an instance of this class by accessing the TimedMetadataTracks property of a MediaPlaybackItem. To be notified when the list of tracks changes, handle the TimedMetadataTracksChanged event.

For how-to guidance for working with metadata tracks, see Media items, playlists, and tracks.

Properties

Size	Gets the number of timed metadata tracks in the list.

Methods

First()	Returns an iterator that iterates over the items in the collection.
GetAt(UInt32)	Returns the timed metadata track at the specified index.
GetMany(UInt32, TimedMetadataTrack[])	Retrieves the timed metadata tracks that start at the specified index in the list.
GetPresentationMode(UInt32)	Gets the presentation mode of the timed metadata track with the specified index.
IndexOf(TimedMetadataTrack, UInt32)	Retrieves the index of a specified timed metadata track in the list.
SetPresentationMode(UInt32, TimedMetadataTrackPresentationMode)	Sets the presentation mode of the timed metadata track with the specified index.

Events

PresentationModeChanged

Occurs when the presentation mode of the MediaPlaybackTimedMetadataTrackList changes.

Applies to