Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JavaTM 2 Platform Standard Ed. 5.0
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## javax.swing.event
Interface AncestorListener

All Superinterfaces:
  EventListener

    public interface AncestorListener

extends EventListener

AncestorListener Interface to support notification when changes occur to a JComponent or one of its ancestors. These include movement and when the component becomes visible or invisible, either by the setVisible() method or by being added or removed from the component hierarchy.

Method Summary
`void` | `ancestorAdded(AncestorEvent event)` Called when the source or one of its ancestors is made visible either by setVisible(true) being called or by its being added to the component hierarchy.
`void` | `ancestorMoved(AncestorEvent event)` Called when either the source or one of its ancestors is moved.
`void` | `ancestorRemoved(AncestorEvent event)` Called when the source or one of its ancestors is made invisible either by setVisible(false) being called or by its being remove from the component hierarchy.

Method Detail

### ancestorAdded

    void ancestorAdded(AncestorEvent event)

  Called when the source or one of its ancestors is made visible either by setVisible(true) being called or by its being added to the component hierarchy. The method is only called if the source has actually become visible. For this to be true all its parents must be visible and it must be in a hierarchy rooted at a Window

### ancestorRemoved

    void ancestorRemoved(AncestorEvent event)

  Called when the source or one of its ancestors is made invisible either by setVisible(false) being called or by its being remove from the component hierarchy. The method is only called if the source has actually become invisible. For this to be true at least one of its parents must by invisible or it is not in a hierarchy rooted at a Window

### ancestorMoved

    void ancestorMoved(AncestorEvent event)

  Called when either the source or one of its ancestors is moved.

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JavaTM 2 Platform Standard Ed. 5.0
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.