JavaTM 2 Platform
Std. Ed. v1.3.1

javax.swing.event
Interface TreeExpansionListener

All Superinterfaces:
EventListener
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. For further documentation and examples see How to Write a Tree Expansion Listener, a section in The Java Tutorial.


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.

JavaTM 2 Platform
Std. Ed. v1.3.1

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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