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Top Description Methods
javax.swing.event

public Interface AncestorListener

extends EventListener
Imports
java.awt.event.*, java.awt.*, java.util.*, javax.swing.*
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.
Author
Dave Moore

Method Summary

Modifier and TypeMethod and Description
public void
ancestorAdded(AncestorEvent
an AncestorEvent signifying a change in an ancestor-component's display-status
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.

public void
ancestorMoved(AncestorEvent
an AncestorEvent signifying a change in an ancestor-component's display-status
event)

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

public void
ancestorRemoved(AncestorEvent
an AncestorEvent signifying a change in an ancestor-component's display-status
event)

Called when the source or one of its ancestors is made invisible either by setVisible(false) being called or by its being removed from the component hierarchy.

Method Detail

ancestorAddedback to summary
public 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

Parameters
event:AncestorEvent

an AncestorEvent signifying a change in an ancestor-component's display-status

ancestorMovedback to summary
public void ancestorMoved(AncestorEvent event)

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

Parameters
event:AncestorEvent

an AncestorEvent signifying a change in an ancestor-component's display-status

ancestorRemovedback to summary
public 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 removed 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

Parameters
event:AncestorEvent

an AncestorEvent signifying a change in an ancestor-component's display-status