MediaPlaybackItem.VideoTracksChanged Evento

Definição

Namespace:

Windows.Media.Playback

Ocorre quando a lista de faixas de vídeo no MediaSource associada ao MediaPlaybackItem é alterada.

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

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

// Revoke with event_revoker
MediaPlaybackItem::VideoTracksChanged_revoker VideoTracksChanged(auto_revoke_t, TypedEventHandler<MediaPlaybackItem, IVectorChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<MediaPlaybackItem,IVectorChangedEventArgs> VideoTracksChanged;

function onVideoTracksChanged(eventArgs) { /* Your code */ }
mediaPlaybackItem.addEventListener("videotrackschanged", onVideoTracksChanged);
mediaPlaybackItem.removeEventListener("videotrackschanged", onVideoTracksChanged);
- or -
mediaPlaybackItem.onvideotrackschanged = onVideoTracksChanged;

Public Custom Event VideoTracksChanged As TypedEventHandler(Of MediaPlaybackItem, IVectorChangedEventArgs) 

Tipo de evento

TypedEventHandler<MediaPlaybackItem,IVectorChangedEventArgs>