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## javax.swing
Interface JComboBox.KeySelectionManager

Enclosing class:
  JComboBox

    public static interface JComboBox.KeySelectionManager

The interface that defines a `KeySelectionManager`. To qualify as a `KeySelectionManager`, the class needs to implement the method that identifies the list index given a character and the combo box data model.

Method Summary
`int` | `selectionForKey(char aKey, ComboBoxModel aModel)` Given `aKey` and the model, returns the row that should become selected.

Method Detail

### selectionForKey

    int selectionForKey(char aKey,
                        ComboBoxModel aModel)

  Given `aKey` and the model, returns the row that should become selected. Return -1 if no match was found.

  Parameters:
    `aKey` - a char value, usually indicating a keyboard key that was pressed
    `aModel` - a ComboBoxModel -- the component's data model, containing the list of selectable items
  Returns:
    an int equal to the selected row, where 0 is the first item and -1 is none.

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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 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.