public override void AppendVisualElement(VisualElement ret)
{
        VisualElement dmgOut = ret.Query<VisualElement>("applyStats");

        ListView damageList = new ListView();

        Func<VisualElement> makeItem = () =>
        {
            //Debug.Log("Make ");
            var box = new VisualElement();
            box.style.flexDirection = FlexDirection.Row;
            box.style.flexGrow = 1f;
            box.style.flexShrink = 0f;
            box.style.flexBasis = 0f;
            box.Add(new Label());
            box.Add(new Button());
            box.Add(new EnumField());
            return box;
        };

        Action<VisualElement, int> bindItem = (e, i) =>
        {
            Debug.Log("Bind for: " + i + " formula count: " + damageOut[i].formula.Count);
            (e.ElementAt(0) as Label).text = i.ToString();
            Button removeBtn = e.ElementAt(1) as Button;
            //int thisIndex = i;
            Action click = () =>
            {
                //Debug.Log("RemoveAt! " + i);
                damageOut.RemoveAt(i);
                damageList.Refresh();
                //Debug.Log(removeBtn..clicked.GetInvocationList().Length);
                //removeBtn.clicked.
            };
            removeBtn.clicked -= click;
            removeBtn.clicked += click;
            removeBtn.text = "-";
        };

        damageList.itemsSource = damageOut;
        damageList.itemHeight = 100;
        damageList.makeItem = makeItem;
        damageList.bindItem = bindItem;

        damageList.style.flexDirection = FlexDirection.Column;
        damageList.style.minHeight = 200;
        damageList.selectionType = SelectionType.Multiple;
        damageList.style.flexGrow = 1f;
        damageList.style.flexShrink = 0f;
        damageList.style.flexBasis = 0f;

        ret.style.flexGrow = 1f;
        dmgOut.style.height = new StyleLength(220);//ret.style.height.value.value + damagePropField.style.height.value.value);

        //dmgOut.contentRect = new Rect(Vector2.zero, new Vector2(100, 100));
        dmgOut.Add(damageList);
}