Хлопче! не там баг ищешь

Код AS3:
package main {
import flash.display.*;
import ascb.drawing.Pen;
public class les32 extends Sprite {
//public var sampleSprite:Sprite;
public function les32() {
var samleSprite:MovieClip = new MovieClip();
addChild(sampleSprite);// !!!sampleSprite!=samleSprite!!!
var pen:Pen = new Pen( samleSprite.graphics );
pen.lineStyle(1);
pen.drawLine( 0, 0, 10, 0 );
pen.drawLine( 15, 0, 25, 0 );
pen.drawLine( 30, 0, 40, 0 );
pen.drawLine( 45, 0, 55, 0 );
}
}
}
а так будет визуально видно, что класс работает

Код AS3:
package {
import flash.display.*;
import ascb.drawing.Pen;
public class PenTest extends Sprite {
//public var sampleSprite:Sprite;
public function PenTest() {
var samleSprite:MovieClip = new MovieClip();
addChild(samleSprite);
var pen:Pen = new Pen( samleSprite.graphics );
pen.lineStyle(1);
pen.drawLine( 0, 0, 0, 10 );
pen.drawLine( 15, 0, 25, 0 );
pen.drawLine( 30, 0, 40, 0 );
pen.drawLine( 45, 0, 55, 0 );
}
}
}