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- All Superinterfaces:
- EventListener
- All Known Implementing Classes:
- BasicTreeUI.TreeExpansionHandler, JTree.AccessibleJTree
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.
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Method Summary
Methods Modifier and Type Method and Description voidtreeCollapsed(TreeExpansionEvent event)Called whenever an item in the tree has been collapsed.voidtreeExpanded(TreeExpansionEvent event)Called whenever an item in the tree has been expanded.
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Method Detail
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treeExpanded
void treeExpanded(TreeExpansionEvent event)
Called whenever an item in the tree has been expanded.
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treeCollapsed
void treeCollapsed(TreeExpansionEvent event)
Called whenever an item in the tree has been collapsed.
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