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ItemListener (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档


Java™ Platform
Standard Ed. 6

java.awt.event
Interface ItemListener

All Superinterfaces:
EventListener
All Known Implementing Classes:
AWTEventMulticaster, BasicComboBoxUI.ItemHandler, BasicComboPopup.ItemHandler, Checkbox.AccessibleAWTCheckbox, DefaultCellEditor.EditorDelegate, JCheckBox.AccessibleJCheckBox, JRadioButton.AccessibleJRadioButton, JToggleButton.AccessibleJToggleButton, List.AccessibleAWTList

public interface ItemListener
extends EventListener

The listener interface for receiving item events. The class that is interested in processing an item event implements this interface. The object created with that class is then registered with a component using the component's addItemListener method. When an item-selection event occurs, the listener object's itemStateChanged method is invoked.

Since:
1.1
See Also:
ItemSelectable, ItemEvent, Tutorial: Writing an Item Listener

Method Summary
 void itemStateChanged(ItemEvent e)
          Invoked when an item has been selected or deselected by the user.
 

Method Detail

itemStateChanged

void itemStateChanged(ItemEvent e)
Invoked when an item has been selected or deselected by the user. The code written for this method performs the operations that need to occur when an item is selected (or deselected).


Java™ Platform
Standard Ed. 6

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For 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 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.