public GetVariableNodeLayout(Node node) : base(node)
        {
            _myTarget       = (GetVariableNode)node;
            width           = 200;
            minHeaderHeight = 40;

            OnRepaint();
        }
        private void OnEnable()
        {
            GetVariableNode myTarget = (GetVariableNode)target;

            CollectVariableNames(myTarget, myTarget.Scope);
        }