AdaptiveMediaSource.DownloadRequested 事件
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
發生于要求資源下載作業時。
// Register
event_token DownloadRequested(TypedEventHandler<AdaptiveMediaSource, AdaptiveMediaSourceDownloadRequestedEventArgs const&> const& handler) const;
// Revoke with event_token
void DownloadRequested(event_token const* cookie) const;
// Revoke with event_revoker
AdaptiveMediaSource::DownloadRequested_revoker DownloadRequested(auto_revoke_t, TypedEventHandler<AdaptiveMediaSource, AdaptiveMediaSourceDownloadRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<AdaptiveMediaSource,AdaptiveMediaSourceDownloadRequestedEventArgs> DownloadRequested;
function onDownloadRequested(eventArgs) { /* Your code */ }
adaptiveMediaSource.addEventListener("downloadrequested", onDownloadRequested);
adaptiveMediaSource.removeEventListener("downloadrequested", onDownloadRequested);
- or -
adaptiveMediaSource.ondownloadrequested = onDownloadRequested;
Public Custom Event DownloadRequested As TypedEventHandler(Of AdaptiveMediaSource, AdaptiveMediaSourceDownloadRequestedEventArgs)
事件類型
備註
處理此事件,以在作業開始之前修改資源下載作業的參數。