MediaPlaybackItem.TimedMetadataTracksChanged 事件

定義

命名空間:

Windows.Media.Playback

發生于與MediaPlaybackItem相關聯之 MediaSource中的計時中繼資料追蹤清單變更時。

// 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) 

事件類型

TypedEventHandler<MediaPlaybackItem,IVectorChangedEventArgs>