通过

PlayToReceiver.PlaybackRateChangeRequested 事件

  • 参考

定义

命名空间:
Windows.Media.PlayTo
编辑

当音频或视频播放的速率更改时发生。

// Register
event_token PlaybackRateChangeRequested(TypedEventHandler<PlayToReceiver, PlaybackRateChangeRequestedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
PlayToReceiver::PlaybackRateChangeRequested_revoker PlaybackRateChangeRequested(auto_revoke_t, TypedEventHandler<PlayToReceiver, PlaybackRateChangeRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<PlayToReceiver,PlaybackRateChangeRequestedEventArgs> PlaybackRateChangeRequested;
function onPlaybackRateChangeRequested(eventArgs) { /* Your code */ }
playToReceiver.addEventListener("playbackratechangerequested", onPlaybackRateChangeRequested);
playToReceiver.removeEventListener("playbackratechangerequested", onPlaybackRateChangeRequested);
- or -
playToReceiver.onplaybackratechangerequested = onPlaybackRateChangeRequested;
Public Custom Event PlaybackRateChangeRequested As TypedEventHandler(Of PlayToReceiver, PlaybackRateChangeRequestedEventArgs)

事件类型

TypedEventHandler<PlayToReceiver,PlaybackRateChangeRequestedEventArgs>

注解

有关创建软件“播放到”接收器的示例，请参阅 媒体转换。

async void receiver_PlaybackRateChangeRequested(
    Windows.Media.PlayTo.PlayToReceiver sender,
    Windows.Media.PlayTo.PlaybackRateChangeRequestedEventArgs args)
{
    await dispatcher.RunAsync(
        Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
        {
            VideoPlayer.PlaybackRate = args.Rate;
        });
}

Async Sub receiver_PlaybackRateChangeRequested(
    sender As Windows.Media.PlayTo.PlayToReceiver,
    args As Windows.Media.PlayTo.PlaybackRateChangeRequestedEventArgs)

    Await Dispatcher.RunAsync(
        Windows.UI.Core.CoreDispatcherPriority.Normal,
        Sub()
            VideoPlayer.PlaybackRate = args.Rate
        End Sub)
End Sub

适用于

另请参阅