System.Drawing.PointF.Equals C# (CSharp) Метод

        public override bool Equals(object obj)
        {
            if (!(obj is PointF))
                return false;

            PointF comp = (PointF)obj;
            return comp.X == X && comp.Y == Y;
        }

 public Line2DBase(PointF p1, PointF p2, Pen pen)
 {
     this.Pen = pen;
     if (!p1.Equals(p2))
     {
         Point1 = p1;
         Point2 = p2;
     }
     else
     {
         throw new System.ArithmeticException("Points are equals");
     }
 }