PlayToReceiver.SourceChangeRequested 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。
發生於播放收件者的來源媒體已變更時。
// Register
event_token SourceChangeRequested(TypedEventHandler<PlayToReceiver, SourceChangeRequestedEventArgs const&> const& handler) const;
// Revoke with event_token
void SourceChangeRequested(event_token const* cookie) const;
// Revoke with event_revoker
PlayToReceiver::SourceChangeRequested_revoker SourceChangeRequested(auto_revoke_t, TypedEventHandler<PlayToReceiver, SourceChangeRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<PlayToReceiver,SourceChangeRequestedEventArgs> SourceChangeRequested;
function onSourceChangeRequested(eventArgs) { /* Your code */ }
playToReceiver.addEventListener("sourcechangerequested", onSourceChangeRequested);
playToReceiver.removeEventListener("sourcechangerequested", onSourceChangeRequested);
- or -
playToReceiver.onsourcechangerequested = onSourceChangeRequested;
Public Custom Event SourceChangeRequested As TypedEventHandler(Of PlayToReceiver, SourceChangeRequestedEventArgs)
事件類型
備註
如需建立軟體播放收件者的範例,請參閱 媒體傳播。
async void receiver_SourceChangeRequested(
Windows.Media.PlayTo.PlayToReceiver sender,
Windows.Media.PlayTo.SourceChangeRequestedEventArgs args)
{
if (args.Stream != null)
await dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
var stream = args.Stream as Windows.Storage.Streams.IRandomAccessStream;
VideoPlayer.SetSource(stream, args.Stream.ContentType);
});
}
Async Sub receiver_SourceChangeRequested(
sender As Windows.Media.PlayTo.PlayToReceiver,
args As Windows.Media.PlayTo.SourceChangeRequestedEventArgs)
If args.Stream IsNot Nothing Then
Await Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
Sub()
Dim stream = TryCast(args.Stream, Windows.Storage.Streams.IRandomAccessStream)
VideoPlayer.SetSource(stream, args.Stream.ContentType)
End Sub)
End If
End Sub