public EyeTrackingHost()
    {
        _instance = this;

        Debug.Log("TobiiGameIntegrationApi.TrackWindow() before");
        TobiiGameIntegrationApi.TrackWindow(Process.GetCurrentProcess().MainWindowHandle);
        Debug.Log("TobiiGameIntegrationApi.TrackWindow() after");

        AspectRatio = 16f / 9f;
    }
 public void Dispose()
 {
     Debug.Log("TobiiGameIntegrationApi.StopTracking() before");
     TobiiGameIntegrationApi.StopTracking();
     Debug.Log("TobiiGameIntegrationApi.StopTracking() after");
 }