public static void Save(Excel.Workbook workbook, WorkbookContextSettings settings)
 {
     ExcelBookCustomXmlAcessor.SetCustomXml <WorkbookContextSettings>(workbook, NAMESPACE, settings);
 }
 public static WorkbookContextSettings Load(Excel.Workbook workbook)
 {
     return(ExcelBookCustomXmlAcessor.GetCustomXmlByNamespace <WorkbookContextSettings>(workbook, NAMESPACE));
 }