Este es un simple ejemplo sobre como crear una scrollbar via actionscript.

[as]
import fl.controls.*;
import fl.events.*;
import flash.display.*
// CREATE CONTAINER – the scrollable obj
var container:Sprite = new Sprite();
container.x = 100;
container.y = 100;

container.graphics.beginFill(0xFFCC00);
container.graphics.drawRoundRect(0, 0, 200, 400, 0);
container.graphics.endFill();

addChild(container);

// CREATE SCROLLBAR – the scroller
var scrollbar:ScrollBar = new ScrollBar();
scrollbar.direction = ScrollBarDirection.VERTICAL;
scrollbar.move(container.x + container.width, container.y);
scrollbar.setSize(scrollbar.width, container.height/2);
scrollbar.setScrollProperties (scrollbar.height,0,container.height) ;
addChild(scrollbar);

// SETUP LISTENER
scrollbar.addEventListener(ScrollEvent.SCROLL ,onScroll);

function onScroll(event:ScrollEvent){
trace(“scrolling ” +scrollbar.scrollPosition );
container.y = scrollbar.y – scrollbar.scrollPosition/(container.height/scrollbar.height);
}[/as]

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