ScreenToGif.Windows.Other.ColorSelector.ColorDetailSizeChanged C# (CSharp) Method

        private void ColorDetailSizeChanged(object sender, SizeChangedEventArgs args)
        {
            if (args.PreviousSize != Size.Empty && args.PreviousSize.Width != 0 && args.PreviousSize.Height != 0)
            {
                double widthDifference = args.NewSize.Width / args.PreviousSize.Width;
                double heightDifference = args.NewSize.Height / args.PreviousSize.Height;
                _markerTransform.X = _markerTransform.X * widthDifference;
                _markerTransform.Y = _markerTransform.Y * heightDifference;
            }
            else if (_colorPosition != null)
            {
                _markerTransform.X = ((Point)_colorPosition).X * args.NewSize.Width;
                _markerTransform.Y = ((Point)_colorPosition).Y * args.NewSize.Height;
            }
        }