docs: public void valueChanged(ListSelectionEvent e)
      {
          if (e.getFirstIndex() == e.getLastIndex())
              if (e.getFirstIndex() > 0)  // Column 0 is the form button
                  this.clickColumn(e.getFirstIndex());
          JTable control = (JTable)m_gridScreen.getControl();
          control.clearSelection(); // Column selections not allowed
      }