public LineElement AddLine(Vector fromVector, Vector toVector, int width, Color color)
{
var lineElement = new LineElement(fromVector, toVector, width, color);
this.elements.Add(lineElement);
return lineElement;
}
private static XElement ToXml(LineElement lineElement)
{
return new XElement("LineElement",
new XAttribute("from", lineElement.FromVector),
new XAttribute("to", lineElement.ToVector),
new XAttribute("width", lineElement.Width),
new XAttribute("color", lineElement.Color));
}