# Class ExpandVetoException

java.lang.Object
java.lang.Throwable
java.lang.Exception
javax.swing.tree.ExpandVetoException

All Implemented Interfaces:
  `Serializable`

public class ExpandVetoException extends Exception
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.

## Field Summary

Fields
Modifier and Type
Field
Description
`protected TreeExpansionEvent`
`event`
The event that the exception was created for.

## Constructor Summary

Constructors
Constructor
Description
`ExpandVetoException(TreeExpansionEvent event)`
Constructs an ExpandVetoException object with no message.
`ExpandVetoException(TreeExpansionEvent event, String message)`
Constructs an ExpandVetoException object with the specified message.

## Method Summary

### Methods declared in class Throwable

`addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

### Methods declared in class Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

## Field Details

### event

protected TreeExpansionEvent event
The event that the exception was created for.

## Constructor Details

### ExpandVetoException

public ExpandVetoException(TreeExpansionEvent event)
Constructs an ExpandVetoException object with no message.

Parameters:
  `event` - a TreeExpansionEvent object

### ExpandVetoException

public ExpandVetoException(TreeExpansionEvent event, String message)
Constructs an ExpandVetoException object with the specified message.

Parameters:
  `event` - a TreeExpansionEvent object
  `message` - a String containing the message