AS3. Определение чаркодов

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package {
import flash.display.*;
import flash.events.*;
import flash.text.*;
import flash.ui.*;
// Displays the keycode and character code for any key pressed.
public class KeyViewer extends Sprite {
private var keyoutput:TextField;
public function KeyViewer () {
keyoutput = new TextField();
keyoutput.text = "Press any key...";
keyoutput.autoSize = TextFieldAutoSize.LEFT;
keyoutput.border = true;
keyoutput.background = true;
addChild(keyoutput);
stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDownListener);
}
private function keyDownListener (e:KeyboardEvent):void {
keyoutput.text = "The key code for the key you pressed is: "
+ e.keyCode + "\n";
keyoutput.appendText("The character code for the key you pressed is: "
+ e.charCode + "\n");
keyoutput.appendText("The character for the key you pressed is: "
+ String.fromCharCode(e.charCode));
}
}
}