public override BoundaryInfo GetBoundary(IGraphics g) { List <Element> elements = new List <Element>(); for (int i = 0; i < Arguments.Count - 1; i++) { elements.Add(Arguments[i]); elements.Add(Element.Eq); } elements.Add(Arguments.Last()); BoundaryInfo info = BoundaryInfo.GetElementsBoundary(g, elements); return(info); }