Je débute dans flash AS 3 et j'ai ce message : TypeError: Error #1010: Un terme n'est pas défini et n'a pas de propriété.
at Main()
Merci de m'aider !

Voici mon code :
package
{
import flash.display.MovieClip;
import flash.events.MouseEvent;
public class Main extends MovieClip
{
var startPage:StartPage;
var hillPage:HillPage;
var pondPage:PondPage;
public function Main()
{
startPage = new StartPage();
hillPage = new HillPage();
pondPage = new PondPage();
addChild(startPage);
//Add event listeners
startPage.pondButton.addEventListener(MouseEvent.CLICK, onPondButtonClick);
startPage.hillButton.addEventListener(MouseEvent.CLICK, onHillButtonClick);
}
//Event handlers
function onHillButtonClick(event:MouseEvent):void
{
addChild(hillPage);
removeChild(startPage);
}
function onPondButtonClick(event:MouseEvent):void
{
addChild(pondPage);
removeChild(startPage);
}
}
}
{
import flash.display.MovieClip;
import flash.events.MouseEvent;
public class Main extends MovieClip
{
var startPage:StartPage;
var hillPage:HillPage;
var pondPage:PondPage;
public function Main()
{
startPage = new StartPage();
hillPage = new HillPage();
pondPage = new PondPage();
addChild(startPage);
//Add event listeners
startPage.pondButton.addEventListener(MouseEvent.CLICK, onPondButtonClick);
startPage.hillButton.addEventListener(MouseEvent.CLICK, onHillButtonClick);
}
//Event handlers
function onHillButtonClick(event:MouseEvent):void
{
addChild(hillPage);
removeChild(startPage);
}
function onPondButtonClick(event:MouseEvent):void
{
addChild(pondPage);
removeChild(startPage);
}
}
}
Je précise que " startPage.pondButton.addEventListener(MouseEvent.CLICK, onPondButtonClick); " fonctionne
mais pas " startPage.hillButton.addEventListener(MouseEvent.CLICK, onHillButtonClick); "