Uses of Interface javax.swing.event.TreeWillExpandListener (Java SE 26 & JDK 26)
Description: use: module: java.desktop, package: javax.swing.event, interface: TreeWillExpandListener

# Uses of Interface
javax.swing.event.TreeWillExpandListener

Packages that use TreeWillExpandListener
Package
Description
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.

- ## Uses of TreeWillExpandListener in javax.swing

  Methods in javax.swing that return TreeWillExpandListener
  Modifier and Type
  Method
  Description
  `TreeWillExpandListener[]`
  JTree.`getTreeWillExpandListeners()`
  Returns an array of all the `TreeWillExpandListener`s added to this JTree with addTreeWillExpandListener().
  Methods in javax.swing with parameters of type TreeWillExpandListener
  Modifier and Type
  Method
  Description
  `void`
  JTree.`addTreeWillExpandListener(TreeWillExpandListener tel)`
  Adds a listener for `TreeWillExpand` events.
  `void`
  JTree.`removeTreeWillExpandListener(TreeWillExpandListener tel)`
  Removes a listener for `TreeWillExpand` events.