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package javax.swing.tree;

import javax.swing.event.TreeExpansionEvent;

Exception used to stop an expand/collapse from happening. See How to Write a Tree-Will-Expand Listener in The Java Tutorial for further information and examples.
Author:Scott Violet
/** * Exception used to stop an expand/collapse from happening. * See <a href="https://docs.oracle.com/javase/tutorial/uiswing/events/treewillexpandlistener.html">How to Write a Tree-Will-Expand Listener</a> * in <em>The Java Tutorial</em> * for further information and examples. * * @author Scott Violet */
@SuppressWarnings("serial") // Same-version serialization only public class ExpandVetoException extends Exception {
The event that the exception was created for.
/** The event that the exception was created for. */
protected TreeExpansionEvent event;
Constructs an ExpandVetoException object with no message.
Params:
  • event – a TreeExpansionEvent object
/** * Constructs an ExpandVetoException object with no message. * * @param event a TreeExpansionEvent object */
public ExpandVetoException(TreeExpansionEvent event) { this(event, null); }
Constructs an ExpandVetoException object with the specified message.
Params:
  • event – a TreeExpansionEvent object
  • message – a String containing the message
/** * Constructs an ExpandVetoException object with the specified message. * * @param event a TreeExpansionEvent object * @param message a String containing the message */
public ExpandVetoException(TreeExpansionEvent event, String message) { super(message); this.event = event; } }