javax.swing.event
Interface TreeWillExpandListener
-
- All Superinterfaces:
- EventListener
public interface TreeWillExpandListener extends EventListener
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
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description voidtreeWillCollapse(TreeExpansionEvent event)Invoked whenever a node in the tree is about to be collapsed.voidtreeWillExpand(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
-
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2022, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
