Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface TreeExpansionListener - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Edition

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javax.swing.event
Interface TreeExpansionListener

All Known Implementing Classes:: JTree.AccessibleJTree, BasicTreeUI.TreeExpansionHandler

public interface TreeExpansionListener
extends EventListener

The listener that's notified when a tree expands or collapses a node.

Method Summary

void treeCollapsed(TreeExpansionEvent event)
Called whenever an item in the tree has been collapsed.

void treeExpanded(TreeExpansionEvent event)
Called whenever an item in the tree has been expanded.

Method Detail

treeExpanded

public void treeExpanded(TreeExpansionEvent event)

Called whenever an item in the tree has been expanded.

treeCollapsed

public void treeCollapsed(TreeExpansionEvent event)

Called whenever an item in the tree has been collapsed.