private TransformationMatrix2D.Point TransformPoint(double x, double y)
 {
     TransformationMatrix2D.Point p;
     p.X = x;
     p.Y = y;
     TransformationMatrix2D.Point resP = t.Transform(p);
     return(resP);
 }
            public override void AddLine(double x, double y, double?z, double?m)
            {
                TransformationMatrix2D.Point resP = TransformPoint(x, y);

                base.AddLine(resP.X, resP.Y, z, m);
            }