Untitled

 private void panel1_Paint(object sender, PaintEventArgs e)
        {
            //DrawingAdapter drwObj = new DrawingAdapter(e.Graphics, panel1, TypeOfShapes.Rectangle, 200, 300);
           // drwObj.drawShape();
            CalcGeometryAndShowResults(e.Graphics);
        }

        private void CalcGeometryAndShowResults(Graphics g)
        {
            DrawingAdapter drawObj = null;
            TypeOfShapes shape = GetFigure();

            switch (shape)
            {
                case TypeOfShapes.Rectangle:
                    drawObj = new DrawingAdapter(g, panel1, TypeOfShapes.Rectangle, height, width);
                    break;

            }

        }