How to use

setInstances

method

in

weka.gui.explorer.Explorer$ExplorerPanel

 @Override
 public void propertyChange(PropertyChangeEvent e) {
  for (int i = 0; i < m_Panels.size(); i++) {
   m_Panels.get(i).setInstances(m_PreprocessPanel.getInstances());
   m_TabbedPane.setEnabledAt(i + 1, true);
  }
 }
});

 @Override
 public void propertyChange(PropertyChangeEvent e) {
  for (int i = 0; i < m_Panels.size(); i++) {
   m_Panels.get(i).setInstances(m_PreprocessPanel.getInstances());
   m_TabbedPane.setEnabledAt(i + 1, true);
  }
 }
});