MediaPlaybackItem.AudioTracksChanged Evento
Definizione
Importante
Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.
Si verifica quando l'elenco di tracce audio in MediaSource associato all'oggetto MediaPlaybackItem cambia.
// Register
event_token AudioTracksChanged(TypedEventHandler<MediaPlaybackItem, IVectorChangedEventArgs const&> const& handler) const;
// Revoke with event_token
void AudioTracksChanged(event_token const* cookie) const;
// Revoke with event_revoker
MediaPlaybackItem::AudioTracksChanged_revoker AudioTracksChanged(auto_revoke_t, TypedEventHandler<MediaPlaybackItem, IVectorChangedEventArgs const&> const& handler) const;
public event TypedEventHandler<MediaPlaybackItem,IVectorChangedEventArgs> AudioTracksChanged;
function onAudioTracksChanged(eventArgs) { /* Your code */ }
mediaPlaybackItem.addEventListener("audiotrackschanged", onAudioTracksChanged);
mediaPlaybackItem.removeEventListener("audiotrackschanged", onAudioTracksChanged);
- or -
mediaPlaybackItem.onaudiotrackschanged = onAudioTracksChanged;
Public Custom Event AudioTracksChanged As TypedEventHandler(Of MediaPlaybackItem, IVectorChangedEventArgs)