Java Doc for BasicScrollPaneUI.java in  » 6.0-JDK-Core » swing » javax » swing » plaf » basic » Java Source Code / Java DocumentationJava Source Code and Java Documentation

 class MyScrollPaneUI extends BasicScrollPaneUI {
 protected PropertyChangeListener createPropertyChangeListener() {
 return new MyPropertyChangeListener();
 }
 public class MyPropertyChangeListener extends PropertyChangeListener {
 public void propertyChange(PropertyChangeEvent e) {
 if (e.getPropertyName().equals("viewport")) {
 // do some extra work when the viewport changes
 }
 super.propertyChange(e);
 }
 }
 }