java.awt.event

Interface HierarchyBoundsListener

Contents
  • All Superinterfaces:
    EventListener
    All Known Implementing Classes:
    AWTEventMulticaster, HierarchyBoundsAdapter

    public interface HierarchyBoundsListener
extends EventListener
    The listener interface for receiving ancestor moved and resized events. The class that is interested in processing these events either implements this interface (and all the methods it contains) or extends the abstract HierarchyBoundsAdapter class (overriding only the method of interest). The listener object created from that class is then registered with a Component using the Component's addHierarchyBoundsListener method. When the hierarchy to which the Component belongs changes by the resizing or movement of an ancestor, the relevant method in the listener object is invoked, and the HierarchyEvent is passed to it.

    Hierarchy events are provided for notification purposes ONLY; The AWT will automatically handle changes to the hierarchy internally so that GUI layout works properly regardless of whether a program registers an HierarchyBoundsListener or not.

    Since:
    1.3
    See Also:
    HierarchyBoundsAdapter, HierarchyEvent

    • Method Detail

      • ancestorMoved

        void ancestorMoved(HierarchyEvent e)
        Called when an ancestor of the source is moved.

      • ancestorResized

        void ancestorResized(HierarchyEvent e)
        Called when an ancestor of the source is resized.

Document created the 11/06/2005, last modified the 04/03/2020
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