ComponentListener (Java Platform SE 6)
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Java™ PlatformStandard Ed. 6
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java.awt.event
Interface ComponentListener
All Superinterfaces: EventListener
All Known Implementing Classes: AWTEventMulticaster, BasicInternalFrameUI.ComponentHandler, BasicSliderUI.ComponentHandler, BasicTreeUI.ComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, ComponentAdapter, JViewport.ViewListener
public interface ComponentListenerextends EventListener
The listener interface for receiving component events.
The class that is interested in processing a component event
either implements this interface (and all the methods it
contains) or extends the abstract ComponentAdapter class
(overriding only the methods of interest).
The listener object created from that class is then registered with a
component using the component's addComponentListener
method. When the component's size, location, or visibility
changes, the relevant method in the listener object is invoked,
and the ComponentEvent is passed to it.
Component events are provided for notification purposes ONLY;
The AWT will automatically handle component moves and resizes
internally so that GUI layout works properly regardless of
whether a program registers a ComponentListener or not.
Since:
1.1
See Also:ComponentAdapter,
ComponentEvent,
Tutorial: Writing a Component Listener
Method Summary
void
componentHidden(ComponentEvent e)
Invoked when the component has been made invisible.
void
componentMoved(ComponentEvent e)
Invoked when the component's position changes.
void
componentResized(ComponentEvent e)
Invoked when the component's size changes.
void
componentShown(ComponentEvent e)
Invoked when the component has been made visible.
Method Detail
componentResized
void componentResized(ComponentEvent e)
Invoked when the component's size changes.
componentMoved
void componentMoved(ComponentEvent e)
Invoked when the component's position changes.
componentShown
void componentShown(ComponentEvent e)
Invoked when the component has been made visible.
componentHidden
void componentHidden(ComponentEvent e)
Invoked when the component has been made invisible.
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Submit a bug or featureFor further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
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