Problem draw line

Question

I have one problem with this code for draw line
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="absolute" mouseMove="fn_init()">
<mx:Script>
<![CDATA[
private function fn_init():void{
var g:Graphics = graphics;
this.removeAllChildren();
g.lineStyle(1, 0x999999);
g.lineTo(0,0);
g.moveTo(this.mouseX, this.mouseY);
this.addChild(g);
]]>
</mx:Script>
</mx:Application>
Above this code it display error when i complie it
"1067: Implicit coercion of a value of type
flash.display:Graphics to an unrelated type
flash.display:DisplayObject."
Please help me to solve this problem.

Answer 1

hey try this:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="absolute" backgroundColor="white">
<mx:Canvas id="mainCanvas" width="100%" height="100%"
mouseMove="fn_init()" />
<mx:Script>
<![CDATA[
private function fn_init():void{
mainCanvas.removeAllChildren();
mainCanvas.graphics.lineStyle(1, 0x999999);
mainCanvas.graphics.lineTo(0,0);
mainCanvas.graphics.moveTo(this.mouseX, this.mouseY);
]]>
</mx:Script>
</mx:Application>