TreeSelectionListener (Java SE 26 & JDK 26)
Description: declaration: module: java.desktop, package: javax.swing.event, interface: TreeSelectionListener
Keywords: javax.swing.event.TreeSelectionListener interface

# Interface TreeSelectionListener

All Superinterfaces:
  `EventListener`

All Known Implementing Classes:
  `BasicTreeUI.TreeSelectionHandler, DefaultTreeCellEditor, JTree.AccessibleJTree, JTree.TreeSelectionRedirector`

public interface TreeSelectionListener extends EventListener
The listener that's notified when the selection in a TreeSelectionModel changes. For more information and examples see How to Write a Tree Selection Listener, a section in The Java Tutorial.

See Also:
  - `TreeSelectionModel`
  - `JTree`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `valueChanged(TreeSelectionEvent e)`
  Called whenever the value of the selection changes.

- ## Method Details

  - ### valueChanged

    void valueChanged(TreeSelectionEvent e)
    Called whenever the value of the selection changes.
    Parameters:
      `e` - the event that characterizes the change.