EventListener
public interface TreeWillExpandListener extends EventListener
Modifier and Type | Method | Description |
---|---|---|
void |
treeWillCollapse |
Invoked whenever a node in the tree is about to be collapsed. |
void |
treeWillExpand |
Invoked whenever a node in the tree is about to be expanded. |
void treeWillExpand(TreeExpansionEvent event) throws ExpandVetoException
event
- a TreeExpansionEvent
containing a TreePath
object for the nodeExpandVetoException
- to signify expansion has been canceledvoid treeWillCollapse(TreeExpansionEvent event) throws ExpandVetoException
event
- a TreeExpansionEvent
containing a TreePath
object for the nodeExpandVetoException
- to signify collapse has been canceled
© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/event/TreeWillExpandListener.html