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java.awt.event
interface HierarchyListener
- All Superinterfaces:
- EventListener
- All Known Implementing Classes:
- AWTEventMulticaster
public interface HierarchyListener
extends EventListener
The listener interface for receiving hierarchy changed events.
The class that is interested in processing a hierarchy changed event
should implement this interface.
The listener object created from that class is then registered with a
Component using the Component's addHierarchyListener
method. When the hierarchy to which the Component belongs changes, the
hierarchyChanged
method in the listener object is invoked,
and the HierarchyEvent
is passed to it.
Hierarchy events are provided for notification purposes ONLY;
The AWT will automatically handle changes to the hierarchy internally so
that GUI layout, displayability, and visibility work properly regardless
of whether a program registers a HierarchyListener
or not.
Method Summary |
void |
Called when the hierarchy has been changed.
|
hierarchyChanged
public void hierarchyChanged(HierarchyEvent e)
-
Called when the hierarchy has been changed. To discern the actual
type of change, call
HierarchyEvent.getChangeFlags()
.
- Parameters:
e
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
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The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.