❔ windows form line drawing problem

        private void ConnectCircles()
        {
            for (int i = 0; i < dots.Count - 1; i++)
            {
                AddAbsoluteSplineWaypoints(dots[i], dots[i + 1]);
            }

            using (Graphics g = Graphics.FromImage(drawingBitmap))
            {
                Pen pen = new Pen(Color.Blue, 2);
                g.SmoothingMode = SmoothingMode.AntiAlias;
                for (int i = 0; i < newDots.Count - 1; i++)
                {
                    string[] waypoint = newDots[i].Split(',');
                    double x = double.Parse(waypoint[0].Trim());
                    double y = double.Parse(waypoint[1].Trim());

                    string[] waypoint2 = newDots[i + 1].Split(',');
                    double x2 = double.Parse(waypoint2[0].Trim()); // Use waypoint2 instead of waypoint
                    double y2 = double.Parse(waypoint2[1].Trim()); // Use waypoint2 instead of waypoint


                    Dot thing = new Dot(x, y);
                    Console.WriteLine(thing);
                    Dot thing2 = new Dot(x2, y2);
                    Console.WriteLine(thing2.X + ", " + thing2.Y);
                    Point startPoint = new Point((int)Math.Round(thing.X * pictureBox1.Width / (FieldWidthFeet * FeetToInchesConversion)),
                        (int)Math.Round(thing.Y * pictureBox1.Height / (FieldHeightFeet * FeetToInchesConversion))
                    );

                    Point endPoint = new Point(
                        (int)Math.Round(thing2.X * pictureBox1.Width / (FieldWidthFeet * FeetToInchesConversion)),
                        (int)Math.Round(thing2.Y * pictureBox1.Height / (FieldHeightFeet * FeetToInchesConversion))
                    );

                    pen.Color = Color.Green;

                    g.DrawLine(pen, startPoint, endPoint);
                }
            }

            pictureBox1.Image = drawingBitmap; 
            pictureBox1.Invalidate(); 
        }

        private void ConnectCircles()
        {
            for (int i = 0; i < dots.Count - 1; i++)
            {
                AddAbsoluteSplineWaypoints(dots[i], dots[i + 1]);
            }

            using (Graphics g = Graphics.FromImage(drawingBitmap))
            {
                Pen pen = new Pen(Color.Blue, 2);
                g.SmoothingMode = SmoothingMode.AntiAlias;
                for (int i = 0; i < newDots.Count - 1; i++)
                {
                    string[] waypoint = newDots[i].Split(',');
                    double x = double.Parse(waypoint[0].Trim());
                    double y = double.Parse(waypoint[1].Trim());

                    string[] waypoint2 = newDots[i + 1].Split(',');
                    double x2 = double.Parse(waypoint2[0].Trim()); // Use waypoint2 instead of waypoint
                    double y2 = double.Parse(waypoint2[1].Trim()); // Use waypoint2 instead of waypoint


                    Dot thing = new Dot(x, y);
                    Console.WriteLine(thing);
                    Dot thing2 = new Dot(x2, y2);
                    Console.WriteLine(thing2.X + ", " + thing2.Y);
                    Point startPoint = new Point((int)Math.Round(thing.X * pictureBox1.Width / (FieldWidthFeet * FeetToInchesConversion)),
                        (int)Math.Round(thing.Y * pictureBox1.Height / (FieldHeightFeet * FeetToInchesConversion))
                    );

                    Point endPoint = new Point(
                        (int)Math.Round(thing2.X * pictureBox1.Width / (FieldWidthFeet * FeetToInchesConversion)),
                        (int)Math.Round(thing2.Y * pictureBox1.Height / (FieldHeightFeet * FeetToInchesConversion))
                    );

                    pen.Color = Color.Green;

                    g.DrawLine(pen, startPoint, endPoint);
                }
            }

            pictureBox1.Image = drawingBitmap; 
            pictureBox1.Invalidate(); 
        }