docs: public void printScreen(PrintWriter out, ResourceBundle reg)
      {
          String strClassXML = XmlUtilities.createXMLStringRecord(this);
          
          if (strClassXML == null)
              strClassXML = DBConstants.BLANK;
          
          String strOptXML = DBConstants.BLANK;
          FileHdr fileHdr = new FileHdr(null);
          fileHdr.setKeyArea(FileHdr.FILE_NAME_KEY);
          fileHdr.getField(FileHdr.FILE_NAME).moveFieldToThis(this.getField(ClassInfo.CLASS_NAME));
          try   {
              if (fileHdr.seek("="))
              {
                  strOptXML = XmlUtilities.createXMLStringRecord(fileHdr);
                  FieldData fieldInfo = new FieldData(null);
                  fieldInfo.setKeyArea(FieldData.FIELD_FILE_NAME_KEY);
                  fieldInfo.addListener(new SubFileFilter(this.getField(ClassInfo.CLASS_NAME), FieldData.FIELD_FILE_NAME, null, null, null, null));
                  strOptXML += Utility.startTag(XMLTags.FIELD_LIST);
                  while (fieldInfo.hasNext())
                  {
                      fieldInfo.next();
                      strOptXML += XmlUtilities.createXMLStringRecord(fieldInfo);
                  }
                  strOptXML += Utility.endTag(XMLTags.FIELD_LIST);
                  fieldInfo.free();
          
                  KeyInfo keyInfo = new KeyInfo(null);
                  keyInfo.setKeyArea(KeyInfo.KEY_FILENAME_KEY);
                  keyInfo.addListener(new SubFileFilter(this.getField(ClassInfo.CLASS_NAME), KeyInfo.KEY_FILENAME, null, null, null, null));
                  strOptXML += Utility.startTag(XMLTags.KEY_LIST);
                  while (keyInfo.hasNext())
                  {
                      keyInfo.next();
                      strOptXML += XmlUtilities.createXMLStringRecord(keyInfo);
                  }
                  strOptXML += Utility.endTag(XMLTags.KEY_LIST);
                  keyInfo.free();
              }
          } catch (DBException ex)    {
              ex.printStackTrace();
              strOptXML = DBConstants.BLANK;
          }
          fileHdr.free();
          
          String strContentArea =
                      strClassXML +
                      strOptXML;
          out.println(strContentArea);
      }