/// <summary>
        /// 20130612 :: Add custom element.
        /// </summary>
        /// <param name="tableCell"></param>
        /// <param name="tableCellNode"></param>
        /// <param name="fontAttrs"></param>
        private void BuildTableCellChildElement(
            TableCell tableCell,
            XmlNode tableCellNode,
            XmlAttributeCollection fontAttrs)
        {
            foreach (XmlNode child in tableCellNode.ChildNodes)
            {
                switch (child.Name)
                {
                case "textbox":
                    tableCell.AddDrawElement(pdfTemplate.BuildTextBox(child, fontAttrs));
                    break;

                case "image":
                    tableCell.AddDrawElement(pdfTemplate.BuildImage(child, fontAttrs));
                    break;

                //20130612 :: mellorasinxelas :: custom
                case PDFTemplate.PDFTemplate.CustomElementConstant:
                    tableCell.AddDrawElement(pdfTemplate.BuildCustomElement(child, fontAttrs));
                    break;
                }
                if (child.Name == "font" && child.HasChildNodes)
                {
                    BuildTableCellChildElement(tableCell, child, child.Attributes);
                }
            }
        }