Demo.as

_list = new List(SimpleCell, 50, 0, new SimpleScrollBar());
addChild(_list);

//add data to list
_list.setData("ABCDEGFHIJKLMNOPQRSTU".split(""));

//add message event from cell
_list.addEventListener(ListEvent.MESSAGE, function(event:ListEvent):void{
    log("message : {id:"+event.cellData.id + ", message:\"" + event.message + "\"}\n");
});
//add update event
_list.addEventListener(ListEvent.UPDATE, function(event:ListEvent):void{
    log("updated : [");
    var tmpData:Array = _list.getData();
    for(var i:int = 0; i < tmpData.length; i ++){
        var data:String = tmpData[i];
        log(data+",");
    }
    log("]\n");
});
//add remove event
_list.addEventListener(ListEvent.REMOVE, function(event:ListEvent):void
{
    log("removed : {id:"+event.cellData.id + ", data:" + event.cellData.data.toString() + "}\n");
});