January 2013
Beginner
312 pages
7h 11m
English
Content preview from Understanding Macromedia Flash 8 ActionScript 2
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14Built-in Classes: The Key Class
The Key Class
The Key Class is used to capture keyboard input. Although some applications may only make use of the mouse, most will get some input from the user via the keyboard.
The Key Class has a number of useful methods, including:
| getCode( ) | Returns the keyboard code of the latest key press |
| getAscii( ) | Returns the ASCII code of the latest key press |
| isDown(keycode:Number) | Returns true if the specified key is down |
| isToggled(keycode:Number) | Returns true if the specified modifier key is down |
| addListener(listener:Object) | Registers an object to receive Key events |
| removeListener(listener:Object) | Un-registers an object as a Key listener |
There are essentially three strategies for capturing keyboard ...
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