org.eclipse.swt.events

Interface TreeListener

All Superinterfaces:

EventListener, SWTEventListener

All Known Implementing Classes:

TreeAdapter

public interface TreeListener
extends 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

Modifier and Type	Method and Description
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