ActionScript for Flash MX: The Definitive Guide, Second Edition

Key.isToggled() Method

This is the Title of the Book, eMatter Edition

Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.

562

|

ActionScript Language Reference

of the right arrow key is ignored if the left arrow key is depressed. Regardless, the state of

the up arrow key is always checked in a separate if statement. A working version of this

spaceship example is available at the online Code Depot:

// Code for a spaceship clip

spaceship_mc.onEnterFrame = function () {

if (Key.isDown(Key.LEFT)) { // Left arrow

this._rotation -= 10;

} else if (Key.isDown(Key.RIGHT)) { // Right arrow

this._rotation += 10;

}

if (Key.isDown(Key.UP)) { // Up arrow

this.thrust += 10;

}

}

See Also

Button keyPress, Key.getAscii( ), Key.getCode( ), Key.isToggled( ); Appendix B

Key.isToggled() Method

check whether the Caps Lock, Num Lock, or Scroll Lock keys are activated

Flash 5

Key.isToggled(keycode)

Arguments

keycode An integer keycode, usually the keycode of the Caps Lock key (20), Num

Lock key (144), or Scroll Lock key (145). Can also be the key constant

Key.

CAPSLOCK

.

Returns

A Boolean indicating whether the key specified by keycode is locked on (true) or off

(

false).

Description

The isToggled( ) method detects the state of the special Caps Lock, Num Lock, or Scroll

Lock keys. Unlike other keys, these keys have a locked “on” state and an unlocked “off”

state, indicating whether or not the feature they represent