code: public String getScreenCommand()
      {
          String strMenu = Constants.BLANK;
          if (m_strInitParam != null)
              strMenu = m_strInitParam;
          return super.getScreenCommand() + "&menu=" + strMenu;
      }
docs: Get the command string that can be used to create this screen.
  @return The screen command (defaults to ?applet=&screen=xxx.xxx.xxxx).