Creating auto-repeating buttons in Flash with ActionScript 3.0

// ActionScript 3.0
// Import the required component classes.
import fl.controls.Button;
import fl.controls.TextArea;
import fl.events.ComponentEvent;
 
var init:Boolean = false;
 
/* Create a new Button component instance, set its autoRepeat property to 
   true, and add it to the display list. */
var myButton:Button = new Button();
myButton.autoRepeat = true;
myButton.label = "autoRepeat = true";
myButton.width = 120;
myButton.move(10, 10);
myButton.addEventListener(ComponentEvent.BUTTON_DOWN, buttonDownHandler);
myButton.addEventListener(MouseEvent.CLICK, clickHandler);
addChild(myButton);
 
// Create a new TextArea component instance, and add it to the display list.
var debugTextArea:TextArea = new TextArea();
debugTextArea.setSize(200, 100);
debugTextArea.move(10, 40);
addChild(debugTextArea);
 
/* Handler function for the Button component instance. This function gets called
   whenever the button instance dispatches the buttonDown event. This function 
   checks the value of the init variable, and if true clears any existing text from
   the text area, next a string is appended to the debugTextArea instance, and 
   scrolls the text area to the last line. */ 
function buttonDownHandler(evt:ComponentEvent):void {
    if (init) {
        debugTextArea.text = "";
        init = false;
    }
    debugTextArea.appendText("[" + getTimer() + "ms] " + evt.type + "\n");
    debugTextArea.verticalScrollPosition = debugTextArea.maxVerticalScrollPosition;
}
 
/* Handler function for the Button component instance. This function gets called
   whenever the button instance dispatches the click event. This function appends
   a string to the debugTextArea instance, and scrolls the text area to the last 
   line. Finally, the init function is reset to true. */
function clickHandler(evt:MouseEvent):void {
    debugTextArea.appendText("[" + getTimer() + "ms] " + evt.type + "\n");
    debugTextArea.verticalScrollPosition = debugTextArea.maxVerticalScrollPosition;
    init = true;
}