TreeWillExpandListener (Java Platform SE 6)

The listener that's notified when a tree expands or collapses a node. For further information and examples see How to Write a Tree-Will-Expand Listener, a section in The Java Tutorial.

Method Summary
`void`	`treeWillCollapse(TreeExpansionEvent event)` Invoked whenever a node in the tree is about to be collapsed.
`void`	`treeWillExpand(TreeExpansionEvent event)` Invoked whenever a node in the tree is about to be expanded.

Method Detail

treeWillExpand

void treeWillExpand(TreeExpansionEvent event)
                    throws ExpandVetoException

Invoked whenever a node in the tree is about to be expanded.

Throws:: ExpandVetoException

treeWillCollapse

void treeWillCollapse(TreeExpansionEvent event)
                      throws ExpandVetoException

Invoked whenever a node in the tree is about to be collapsed.

Throws:: ExpandVetoException

Overview

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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.

javax.swing.event Interface TreeWillExpandListener

treeWillExpand

treeWillCollapse

javax.swing.event
Interface TreeWillExpandListener