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## javax.swing
Class InternalFrameFocusTraversalPolicy

    java.lang.Object
      |
      +--java.awt.FocusTraversalPolicy
            |
            +--javax.swing.InternalFrameFocusTraversalPolicy

Direct Known Subclasses:
  SortingFocusTraversalPolicy

public abstract class InternalFrameFocusTraversalPolicy
extends FocusTraversalPolicy

A FocusTraversalPolicy which can optionally provide an algorithm for determining a JInternalFrame's initial Component. The initial Component is the first to receive focus when the JInternalFrame is first selected. By default, this is the same as the JInternalFrame's default Component to focus.

Since:
  1.4

Constructor Summary
`InternalFrameFocusTraversalPolicy()`

Method Summary
`Component` | `getInitialComponent(JInternalFrame frame)` Returns the Component that should receive the focus when a JInternalFrame is selected for the first time.

Methods inherited from class java.awt.FocusTraversalPolicy
`getComponentAfter, getComponentBefore, getDefaultComponent, getFirstComponent, getInitialComponent, getLastComponent`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### InternalFrameFocusTraversalPolicy

    public InternalFrameFocusTraversalPolicy()

Method Detail

### getInitialComponent

    public Component getInitialComponent(JInternalFrame frame)

  Returns the Component that should receive the focus when a JInternalFrame is selected for the first time. Once the JInternalFrame has been selected by a call to `setSelected(true)`, the initial Component will not be used again. Instead, if the JInternalFrame loses and subsequently regains selection, or is made invisible or undisplayable and subsequently made visible and displayable, the JInternalFrame's most recently focused Component will become the focus owner. The default implementation of this method returns the JInternalFrame's default Component to focus.

  Parameters:
    `frame` - the JInternalFrame whose initial Component is to be returned
  Returns:
    the Component that should receive the focus when frame is selected for the first time, or null if no suitable Component can be found
  Throws:
    `IllegalArgumentException` - if window is null
  See Also:
    `JInternalFrame.getMostRecentFocusOwner()`

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.