docs: public Record getRecord(String strFileName)
      {
          if (strFileName == null)
              return this.getScreenRecord();
          if (strFileName.length() == 0)
              return this.getMainRecord();
          for (Enumeration<Rec> e = this.elements() ; e.hasMoreElements() ;)
          {   // This should only be called for Imaged GridScreens (Child windows would be deleted by now if Component)
              Record record = (Record)e.nextElement();
              record = record.getRecord(strFileName);
              if (record != null)
                  return record;
          }
          return null;    // Not found
      }