# Key ActionScript Class

This class implements an Key object.

## The Methods of the Class

addListener()

  Add a callback for key up and down events.

getAscii()

  Return the ASCII value of the key.

getCode()

  Return the key code of the key.

isDown()

  Returns true if the specified key is down.

isToggled()

  Returns true if the Num Lock key is on.

removeListener()

  Remove the event handler.

## The Properties of the Key Class

BACKSPACE

  A constant representing the backspace key.

CAPSLOCK

  A constant representing the Caps Lock key.

CONTROL

  A constant representing the Control key.

DELETEKEY

  A constant representing the Delete key.

DOWN

  A constant representing the Down arrow key.

END

  A constant representing the End key.

ENTER

  A constant representing the Enter key.

ESCAPE

  A constant representing the Escape key.

HOME

  A constant representing the Home key.

INSERT

  A constant representing the Insert key.

LEFT

  A constant representing the left arrow key.

PGDN

  A constant representing the Page Down key.

PGUP

  A constant representing the Page Up key.

RIGHT

  A constant representing the right arrow key.

SHIFT

  A constant representing the shift key.

SPACE

TAB

  A constant representing the space bar.

UP

  A constant representing the up arrow key.

## Key Class Event Handlers

onKeyDown

onKeyUp

## Key Class Conformance

Class Name | Conformance
--- | ---
addListener() | This method is implemented.
getAscii() | This method is implemented.
getCode() | This method is implemented.
isDown() | This method is implemented.
isToggled() | This method is implemented.
removeListener() | This method is implemented.
BACKSPACE | This constant is implemented.
CAPSLOCK | This constant is implemented.
CONTROL | This constant is implemented.
DELETEKEY | This constant is implemented.
DOWN | This constant is implemented.
END | This constant is implemented.
ENTER | This constant is implemented.
ESCAPE | This constant is implemented.
HOME | This constant is implemented.
INSERT | This constant is implemented.
LEFT | This constant is implemented.
onKeyDown | This constant is implemented.
onKeyUp | This constant is implemented.
PGDN | This constant is implemented.
PGUP | This constant is implemented.
RIGHT | This constant is implemented.
SHIFT | This constant is implemented.
SPACE | This constant is implemented.
TAB | This constant is implemented.
UP | This constant is implemented.