private void CalculateChild(IGraphBox child)
        {
            child.SetLocalPosition(0, Height);
            child.AddGlobalPosition(GlobalPositionX + child.LocalPositionX, GlobalPositionY + child.LocalPositionY);

            Height += child.Height;
            if (child.Width > Width)
            {
                Width = child.Width;
            }
        }
        private void CalculateChild(IGraphBox child)
        {
            child.SetLocalPosition(Width, 0);
            child.AddGlobalPosition(GlobalPositionX + child.LocalPositionX, GlobalPositionY + child.LocalPositionY);

            Width += child.Width;
            if (child.Height > Height)
            {
                Height = child.Height;
            }
        }