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Eclipse Platform
Release 3.5

org.eclipse.swt.events
Interface TreeListener

All Superinterfaces:
EventListener, org.eclipse.swt.internal.SWTEventListener
All Known Implementing Classes:
TreeAdapter

public interface TreeListener
extends org.eclipse.swt.internal.SWTEventListener

Classes which implement this interface provide methods that deal with the expanding and collapsing of tree branches.

After creating an instance of a class that implements this interface it can be added to a tree control using the addTreeListener method and removed using the removeTreeListener method. When a branch of the tree is expanded or collapsed, the appropriate method will be invoked.

See Also:
TreeAdapter, TreeEvent

Method Summary
 void treeCollapsed ( TreeEvent e)
          Sent when a tree branch is collapsed.
 void treeExpanded ( TreeEvent e)
          Sent when a tree branch is expanded.
 

Method Detail

treeCollapsed

void treeCollapsed(
TreeEvent e)
Sent when a tree branch is collapsed.

Parameters:
e - an event containing information about the tree operation

treeExpanded

void treeExpanded(
TreeEvent e)
Sent when a tree branch is expanded.

Parameters:
e - an event containing information about the tree operation

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire