ScrollEvent  - AS3 Flash

Gets the size of the change in scroll position, in pixels. A positive value indicates that the direction of the scroll was down or to the right. A negative value indicates that the direction of the scroll was up or to the left.

Gets a constant value that indicates the direction of movement associated with the event. A value of ScrollBarDirection.HORIZONTAL indicates horizontal movement; a value of ScrollBarDirection.VERTICAL indicates vertical movement.

Related API Elements

Gets the current scroll position, in pixels.

Creates a new ScrollEvent object with the specified parameters.

Creates a copy of the ScrollEvent object and sets the value of each parameter to match the original.

Returns a string that contains all the properties of the ScrollEvent object. The string has the following format:

[ScrollEvent type=value bubbles=value cancelable=value direction=value delta=value position=value]

Defines the value of the type property of a scroll event object.

This event has the following properties:

import fl.containers.ScrollPane;
import fl.events.ScrollEvent;
import fl.controls.ScrollBarDirection;

var myScrollPane:ScrollPane = new ScrollPane();
myScrollPane.scrollDrag = true;
myScrollPane.source = "http://www.helpexamples.com/flash/images/image1.jpg";
myScrollPane.addEventListener(ScrollEvent.SCROLL, scrollHandler);
addChild(myScrollPane);

function scrollHandler(event:ScrollEvent):void {
    switch (event.direction) {
        case ScrollBarDirection.HORIZONTAL:
            trace("horizontal scroll", event.position, "of", event.currentTarget.maxHorizontalScrollPosition);
            break;
        case ScrollBarDirection.VERTICAL:
            trace("vertical scroll", event.position, "of", event.currentTarget.maxVerticalScrollPosition);
            break;
    }
}