# How to use Mouse wheel for zoom in zoomout?

**URL:** <https://forum.kirupa.com/t/how-to-use-mouse-wheel-for-zoom-in-zoomout/309642>\
**Category:** flash\
**Created:** [May 20, 2010, 1:29pm UTC](https://forum.kirupa.com/t/how-to-use-mouse-wheel-for-zoom-in-zoomout/309642 "2010-05-20T13:29:27Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![palanivelrajan](https://avatars.discourse-cdn.com/v4/letter/p/a9a28c/32.png) [@palanivelrajan](https://forum.kirupa.com/u/palanivelrajan)\
**Post date:** [May 20, 2010, 1:29pm UTC](https://forum.kirupa.com/t/how-to-use-mouse-wheel-for-zoom-in-zoomout/309642/1 "2010-05-20T13:29:27Z")

</div>

addEventListener(MouseEvent.MOUSE\_WHEEL,Object\_Zoomin);

```
    private function Object_Zoomin(event:MouseEvent):void {
        
        zoom-=10;
        car.scale=zoom;
    }

```

I don’t know how to write a code for zoom out. Please help me out.