public void CustomizeView(Nodes.DSVarArgFunction nodeModel, NodeView nodeView)
        {
            var addButton = new DynamoNodeButton(nodeView.ViewModel.NodeModel, "AddInPort")
            {
                Content = "+", Width = 20
            };
            var subButton = new DynamoNodeButton(nodeView.ViewModel.NodeModel, "RemoveInPort")
            {
                Content = "-", Width = 20
            };

            var wp = new WrapPanel
            {
                VerticalAlignment   = VerticalAlignment.Top,
                HorizontalAlignment = HorizontalAlignment.Center
            };

            wp.Children.Add(addButton);
            wp.Children.Add(subButton);

            nodeView.inputGrid.Children.Add(wp);
        }
 public void CustomizeView(Nodes.DSVarArgFunction nodeModel, Controls.NodeView nodeView)
 {
 }