通过

GazeDeviceWatcherPreview.Removed 事件

  • 参考

定义

命名空间:
Windows.Devices.Input.Preview
编辑

当不再检测到现有的目视跟踪器设备时发生。

// Register
event_token Removed(TypedEventHandler<GazeDeviceWatcherPreview, GazeDeviceWatcherRemovedPreviewEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
GazeDeviceWatcherPreview::Removed_revoker Removed(auto_revoke_t, TypedEventHandler<GazeDeviceWatcherPreview, GazeDeviceWatcherRemovedPreviewEventArgs const&> const& handler) const;
public event TypedEventHandler<GazeDeviceWatcherPreview,GazeDeviceWatcherRemovedPreviewEventArgs> Removed;
function onRemoved(eventArgs) { /* Your code */ }
gazeDeviceWatcherPreview.addEventListener("removed", onRemoved);
gazeDeviceWatcherPreview.removeEventListener("removed", onRemoved);
- or -
gazeDeviceWatcherPreview.onremoved = onRemoved;
Public Custom Event Removed As TypedEventHandler(Of GazeDeviceWatcherPreview, GazeDeviceWatcherRemovedPreviewEventArgs)

事件类型

TypedEventHandler<GazeDeviceWatcherPreview,GazeDeviceWatcherRemovedPreviewEventArgs>

适用于

另请参阅