void MotionPropertyValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
        {
            var slider = sender as Slider;

            if (slider == null)
            {
                return;
            }

            switch (slider.Name)
            {
            case "PixelIntensitySlider":
                CurrentModel.ChangePixelSensitivity((int)slider.Value);
                break;

            case "PixelAmountSlider":
                CurrentModel.ChangeAmountSensitivity(slider.Value / 100);
                break;
            }
        }