Package org.eclipse.swt.events

Interface TreeListener

All Known Implementing Classes:
TreeAdapter
public interface TreeListener
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:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    treeCollapsed(TreeEvent e)
    Sent when a tree branch is collapsed.
    void
    treeExpanded(TreeEvent e)
    Sent when a tree branch is expanded.

  • Method Details

    • 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