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public interface TreeWillExpandListener
The listener that's notified when a tree expands or collapses a node. For further information and examples see How to Write a Tree-Will-Expand Listener, a section in The Java Tutorial.
| 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 |
|---|
void treeWillExpand(TreeExpansionEvent event)
throws ExpandVetoException
ExpandVetoException
void treeWillCollapse(TreeExpansionEvent event)
throws ExpandVetoException
ExpandVetoException
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