System.Xml.XPath.XPathNavigator.InsertBefore C# (CSharp) Method

        public virtual XmlWriter InsertBefore()
        {
            throw new NotSupportedException();
        }

        public virtual XmlWriter PrependChild()
        {
            XPathNavigator nav = Clone();

            if (nav.MoveToFirstChild())
            {
                return(nav.InsertBefore());
            }
            else
            {
                return(AppendChild());
            }
        }