public PowerPointHandler(string filePath)
 {
     app = new POWERPOINT.Application {
         DisplayAlerts = POWERPOINT.PpAlertLevel.ppAlertsNone
     };
     LangName  = Common.GetLangName(filePath);
     LocalLang = Common.GetLangObj(LangName.ToLower());
 }
 public ExcelHandler(string filePath)
 {
     app = new EXCEL.Application {
         DisplayAlerts = false
     };
     LangName  = Common.GetLangName(filePath);
     LocalLang = Common.GetLangObj(LangName.ToLower());
 }
 public WordHandler(string filePath)
 {
     app = new WORD.Application()
     {
         DisplayAlerts = WORD.WdAlertLevel.wdAlertsNone
     };
     LangName  = Common.GetLangName(filePath);
     LocalLang = Common.GetLangObj(LangName.ToLower());
 }