如何用C#实现读取CSV圆心绘制半径递增的圆形？

嘿，我把你这段用来绘制半径递增圆形的WinForms代码，用规范的Markdown格式整理好了，方便你查看和分享：

namespace MATLAB_file { 
    public partial class Form1 : Form { 
        string[] read; 
        float th; 
        int c = 0; 
        int r; 
        public List<PointF> circleCoordinates = new List<PointF>(); 
        int rl; 

        public Form1() { 
            InitializeComponent(); 
        } 

        protected override void OnPaint(PaintEventArgs e) { 
            Pen linePen = new Pen(System.Drawing.Color.CornflowerBlue); 
            Graphics grphx...
        }
    }
}

内容的提问来源于stack exchange，提问作者user9315944