[flexcoders] How to add a horizontal scrollbar to a 3d column chart

[jeffreyr6915]

I would like to add a horizontal scrollbar to the column chart that I 
have. Can someone please show me how to do this? Below is the axis 
renderer class that I need to alter. Please help. Thanks


package 
{
        import flash.display.Graphics;
        import flash.display.Shape;
        import flash.geom.Rectangle;
        
        import mx.charts.AxisRenderer;
        import mx.charts.chartClasses.GraphicsUtilities;
        import mx.graphics.Stroke;
        import mx.utils.ColorUtil;

        public class TriDiAxisRenderer extends AxisRenderer
        {
                private var depth:Number = 20;
                private var axisShape:Shape;
                
                public function TriDiAxisRenderer()
                {
                        super();
                        
                }
                
                override protected function createChildren():void{
                        super.createChildren();
                        
                        if(axisShape == null){
                                axisShape = new Shape();
                                addChild(axisShape);
                        }
                }
                
                override protected function updateDisplayList
(unscaledWidth:Number, unscaledHeight:Number):void
            {
                super.updateDisplayList(unscaledWidth, 
unscaledHeight);
                
                draw3DAxis(unscaledWidth, unscaledHeight);
            }
            
            private function draw3DAxis(unscaledWidth:Number, 
unscaledHeight:Number):void {
                var baseline:Number = Number(unscaledHeight - 
gutters.bottom);
                var stroke:Stroke = this.getStyle("axisStroke");
                var g:Graphics = axisShape.graphics;
                var rc:Rectangle = new Rectangle(gutters.left,
                                                                
                baseline - depth,
                                                                
                unscaledWidth - gutters.right - gutters.left,
                                                                
                depth);
                
                g.clear();
                g.beginFill(stroke.color, 1);
                g.lineStyle(1, ColorUtil.adjustBrightness2
(GraphicsUtilities.colorFromFill(stroke.color),-10), 1);
                g.moveTo(rc.x + depth, rc.y);
                g.lineTo(rc.right - depth, rc.y);
                g.lineTo(rc.right + 1, rc.y + rc.height);
                g.lineTo(rc.x + 1, rc.y + rc.height);
                g.lineTo(rc.x + depth, rc.y);
                g.endFill();
            }
            
        }//class
}//package