Canguro.Model.AreaElement.this C# (CSharp) Method

        internal Joint this[int index]
        {
            get { return joints[index]; }
            set
            {
                switch (index)
                {
                    case 0:
                        J1 = value;
                        break;
                    case 1:
                        J2 = value;
                        break;
                    case 2:
                        J3 = value;
                        break;
                    case 3:
                        J4 = value;
                        break;
                    default:
                        throw new InvalidIndexException();
                }
            }
        }