Pen, to draw line drawing.
new Pen()
function Pen(color:Object, thickness:Number, alpha:Number)
Pen(color:ASColor, thickness:Number) Pen(color:Number, thickness:Number, alpha:Number)
public function getColor():Number
public function setColor(color:Number):Void
public function getThickness():Number
public function setThickness(thickness:Number):Void
public function getAlpha():Number
public function setAlpha(alpha:Number):Void
public function setTo(target:MovieClip):Void
public function setASColor(color:ASColor):Void