AffdexMe.MainWindow.DrawData C# (CSharp) Метод

        private void DrawData(Affdex.Frame image, Dictionary<int, Affdex.Face> faces)
        {
            try
            {
                // Plot Face Points
                if (faces != null)
                {
                    var result = this.Dispatcher.BeginInvoke((Action)(() =>
                    {
                        if ((Detector != null) && (Detector.isRunning()))
                        {
                            canvas.Faces = faces;
                            canvas.Width = cameraDisplay.ActualWidth;
                            canvas.Height = cameraDisplay.ActualHeight;
                            canvas.XScale = canvas.Width / image.getWidth();
                            canvas.YScale = canvas.Height / image.getHeight();
                            canvas.InvalidateVisual();                            
                            DrawSkipCount = 0;
                        }
                    }));
                }
            }
            catch(Exception ex)
            {
                String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
                ShowExceptionAndShutDown(message);
            }
        }