# Uses of Class
javax.swing.event.TreeExpansionEvent

Packages that use TreeExpansionEvent
Package | Description
--- | ---
javax.swing | Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.event | Provides for events fired by Swing components.
javax.swing.plaf.basic | Provides user interface objects built according to the Basic look and feel.
javax.swing.tree | Provides classes and interfaces for dealing with `javax.swing.JTree`.

## Uses of TreeExpansionEvent in javax.swing

Methods in javax.swing with parameters of type TreeExpansionEvent
Modifier and Type | Method | Description
--- | --- | ---
`void` | JTree.AccessibleJTree.`treeCollapsed​(TreeExpansionEvent e)` | Tree Collapsed notification.
`void` | JTree.AccessibleJTree.`treeExpanded​(TreeExpansionEvent e)` | Tree Model Expansion notification.

## Uses of TreeExpansionEvent in javax.swing.event

Methods in javax.swing.event with parameters of type TreeExpansionEvent
Modifier and Type | Method | Description
--- | --- | ---
`void` | TreeExpansionListener.`treeCollapsed​(TreeExpansionEvent event)` | Called whenever an item in the tree has been collapsed.
`void` | TreeExpansionListener.`treeExpanded​(TreeExpansionEvent event)` | Called whenever an item in the tree has been expanded.
`void` | TreeWillExpandListener.`treeWillCollapse​(TreeExpansionEvent event)` | Invoked whenever a node in the tree is about to be collapsed.
`void` | TreeWillExpandListener.`treeWillExpand​(TreeExpansionEvent event)` | Invoked whenever a node in the tree is about to be expanded.

## Uses of TreeExpansionEvent in javax.swing.plaf.basic

Methods in javax.swing.plaf.basic with parameters of type TreeExpansionEvent
Modifier and Type | Method | Description
--- | --- | ---
`void` | BasicTreeUI.TreeExpansionHandler.`treeCollapsed​(TreeExpansionEvent event)` | Called whenever an item in the tree has been collapsed.
`void` | BasicTreeUI.TreeExpansionHandler.`treeExpanded​(TreeExpansionEvent event)` | Called whenever an item in the tree has been expanded.

## Uses of TreeExpansionEvent in javax.swing.tree

Fields in javax.swing.tree declared as TreeExpansionEvent
Modifier and Type | Field | Description
--- | --- | ---
`protected TreeExpansionEvent` | ExpandVetoException.`event` | The event that the exception was created for.

Constructors in javax.swing.tree with parameters of type TreeExpansionEvent
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.