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org.eclipse.swt.events
Interface TreeListener

All Superinterfaces:

EventListener, org.eclipse.swt.internal.SWTEventListener

All Known Implementing Classes:

TreeAdapter

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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

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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

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treeExpanded

void treeExpanded(
TreeEvent e)

Sent when a tree branch is expanded.

Parameters:

e - an event containing information about the tree operation

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