通过

MediaPlaybackItem.TimedMetadataTracksChanged 事件

  • 参考

定义

命名空间:
Windows.Media.Playback
编辑

当与 MediaPlaybackItem 关联的 MediaSource 中的计时元数据列表发生更改时发生。

// Register
event_token TimedMetadataTracksChanged(TypedEventHandler<MediaPlaybackItem, IVectorChangedEventArgs const&> const& handler) const;

// Revoke with event_token
void TimedMetadataTracksChanged(event_token const* cookie) const;

// Revoke with event_revoker
MediaPlaybackItem::TimedMetadataTracksChanged_revoker TimedMetadataTracksChanged(auto_revoke_t, TypedEventHandler<MediaPlaybackItem, IVectorChangedEventArgs const&> const& handler) const;
public event TypedEventHandler<MediaPlaybackItem,IVectorChangedEventArgs> TimedMetadataTracksChanged;
function onTimedMetadataTracksChanged(eventArgs) { /* Your code */ }
mediaPlaybackItem.addEventListener("timedmetadatatrackschanged", onTimedMetadataTracksChanged);
mediaPlaybackItem.removeEventListener("timedmetadatatrackschanged", onTimedMetadataTracksChanged);
- or -
mediaPlaybackItem.ontimedmetadatatrackschanged = onTimedMetadataTracksChanged;
Public Custom Event TimedMetadataTracksChanged As TypedEventHandler(Of MediaPlaybackItem, IVectorChangedEventArgs)

事件类型

TypedEventHandler<MediaPlaybackItem,IVectorChangedEventArgs>

适用于