public void Save(XmlDocument doc, XmlNode root)
{
var node = doc.CreateElement("CharacterRegion");
var startnode = doc.CreateElement("Start");
startnode.InnerText = ((char)Start).ToString();
node.AppendChild(startnode);
var endnode = doc.CreateElement("End");
endnode.InnerText = ((char)End).ToString();
node.AppendChild(endnode);
root.AppendChild(node);
}