MapAround.Mapping.MapWorkspace.processViewBox C# (CSharp) Method

        private void processViewBox(XmlNode workspaceNode)
        {
            XmlNode viewBox = tryGetNodeByName(workspaceNode.ChildNodes, "view_box");
            if (viewBox != null)
            {
                if (viewBox.Attributes["min_x"].Value.Length != 0 &&
                    viewBox.Attributes["min_y"].Value.Length != 0 &&
                    viewBox.Attributes["max_x"].Value.Length != 0 &&
                    viewBox.Attributes["max_y"].Value.Length != 0)
                {
                    double minX, minY, maxX, maxY;
                    minX = double.Parse(viewBox.Attributes["min_x"].Value, CultureInfo.InvariantCulture);
                    minY = double.Parse(viewBox.Attributes["min_y"].Value, CultureInfo.InvariantCulture);
                    maxX = double.Parse(viewBox.Attributes["max_x"].Value, CultureInfo.InvariantCulture);
                    maxY = double.Parse(viewBox.Attributes["max_y"].Value, CultureInfo.InvariantCulture);

                    _viewBox = new BoundingRectangle(minX, minY, maxX, maxY);
                }
                else
                    _viewBox = new BoundingRectangle();
            }
        }