MARKUS

            if (PropertyChanged != null)

                PropertyChanged(this, new PropertyChangedEventArgs(propName));

        }

        {

            this.StartPoint = new Point(this.PointSet[0].X, this.PointSet[0].Y);

            this.TopRightPoint = new Point(this.PointSet[3].X, this.PointSet[3].Y);

                [i].Y - path.PointSet[ReverseP].Y);

            path.PointSet[NextP] = new Point(path.PointSet[ReverseP].X + NextV.X * l, path.PointSet[ReverseP].Y + NextV.Y * l);

        }

        /// <summary>