javax.swing.event
Interface TreeWillExpandListener

All Superinterfaces:
EventListener

public interface TreeWillExpandListener
extends EventListener


Method Summary
 void treeWillCollapse(TreeExpansionEvent event)
          Invoked whenever a node in the tree is about to be collapsed.
 void treeWillExpand(TreeExpansionEvent event)
          Invoked whenever a node in the tree is about to be expanded.
 

Method Detail

treeWillCollapse

void treeWillCollapse(TreeExpansionEvent event)
                      throws ExpandVetoException
Invoked whenever a node in the tree is about to be collapsed.

Parameters:
event - The tree expansion Event
Throws:
ExpandVetoException

treeWillExpand

void treeWillExpand(TreeExpansionEvent event)
                    throws ExpandVetoException
Invoked whenever a node in the tree is about to be expanded.

Parameters:
event - The tree expansion Event
Throws:
ExpandVetoException