docs: public void printControlEndForm(PrintWriter out, int iPrintOptions)
      {
          if (((iPrintOptions & HtmlConstants.HEADING_SCREEN) == HtmlConstants.HEADING_SCREEN)
                  || ((iPrintOptions & HtmlConstants.FOOTING_SCREEN) == HtmlConstants.FOOTING_SCREEN)
                  || ((iPrintOptions & HtmlConstants.DETAIL_SCREEN) == HtmlConstants.DETAIL_SCREEN))
              return; // Don't need on nested forms
  //?     out.println("  </instance>");
          out.println("</xform>");
  //?     if (bFieldsFound)
          if (!this.getScreenField().isToolbar())
              this.printZmlToolbarControls(out, iPrintOptions | HtmlConstants.DETAIL_SCREEN); // Print this screen's toolbars
          else
              this.printToolbarControl(true, out, iPrintOptions);     // Print this toolbar's controls
          super.printControlEndForm(out, iPrintOptions);
      }