tton', 'click', (_frame, evt) => {

               _frame.extra.__restore_info = {
                    org_left: _frame.getLeft(),
                    org_top: _frame.getTop(),
                    org_width: _frame.getWidth(),
                    org_height: _frame.getHeight()
                };

                frame.setPosition(0, 0);
                frame.setSize(window.innerWidth - 2, window.innerHeight - 2, true);

                frame.hideFrameComponent('zoomButton');
                frame.showFrameC