GlobalSystemMediaTransportControlsSession.PlaybackInfoChanged 事件

定义

命名空间:

Windows.Media.Control

当会话的播放信息发生更改时发生。

// Register
event_token PlaybackInfoChanged(TypedEventHandler<GlobalSystemMediaTransportControlsSession, PlaybackInfoChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
GlobalSystemMediaTransportControlsSession::PlaybackInfoChanged_revoker PlaybackInfoChanged(auto_revoke_t, TypedEventHandler<GlobalSystemMediaTransportControlsSession, PlaybackInfoChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<GlobalSystemMediaTransportControlsSession,PlaybackInfoChangedEventArgs> PlaybackInfoChanged;

function onPlaybackInfoChanged(eventArgs) { /* Your code */ }
globalSystemMediaTransportControlsSession.addEventListener("playbackinfochanged", onPlaybackInfoChanged);
globalSystemMediaTransportControlsSession.removeEventListener("playbackinfochanged", onPlaybackInfoChanged);
- or -
globalSystemMediaTransportControlsSession.onplaybackinfochanged = onPlaybackInfoChanged;

Public Custom Event PlaybackInfoChanged As TypedEventHandler(Of GlobalSystemMediaTransportControlsSession, PlaybackInfoChangedEventArgs) 

事件类型

TypedEventHandler<GlobalSystemMediaTransportControlsSession,PlaybackInfoChangedEventArgs>

Windows 要求

应用功能	globalMediaControl