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## javax.swing
Interface JComboBox.KeySelectionManager

Enclosing interface:
  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

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