一個簡單的Flex畫圖

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" borderColor="#FFFFFF" mouseMove="onMouseMove()" mouseUp="onMouseUp()" mouseDown="onMouseDown()">
<mx:Script>
<![CDATA[
import mx.effects.Move;
import mx.controls.*;
import mx.core.*;
import mx.effects.*;
public var lines :Sprite = new Sprite ();
public var lines1 :flash.display.Sprite = new Sprite ();
private var lineX:int;
private var lineY:int;
private var bool:Boolean=false;

// public function TestPaint():void
// {
// //Alert.show("Hello World!");
// lines.graphics.lineStyle(2,0x0099ff,1);
// lines.graphics.moveTo(0,0);
// lines.graphics.lineTo(50,50);
// var comp: UIComponent = new UIComponent();
// comp.addChild(lines);
// addChild(comp);
// }
public function onMouseDown():void
{
lineX=this.mouseX;
lineY=this.mouseY;
lines.graphics.lineStyle(2,0x0099ff,1);
lines.graphics.moveTo(lineX,lineY);
bool=true;
}
public function onMouseMove():void
{
if(bool)
{
lines.graphics.lineTo(this.mouseX,this.mouseY);
}
}
public function onMouseUp():void
{
var comp: UIComponent = new UIComponent();
comp.addChild(lines);
addChild(comp);
bool=false;
}

]]>
</mx:Script>

</mx:Application>