this.myScroller.verticalScrollBar.addEventListener(Event.CHANGE,updateSelected);
maxNum=this.myScroller.verticalScrollBar.maximum;//滚动条最大滚动距离
private function updateSelected(e:Event):void
{
var num:Number=this.myScroller.verticalScrollBar.value;//滚动条所在位置的值
if(num<=maxNum){
this.iconDatagridLeft.y=80+num;
this.iconDatagridRight.y=80+num;
}
}