using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D; public class Form1 : System.Windows.Forms.Form { [STAThread] static void Main() { Application.Run(new Form1()); } protected override void OnPaint(PaintEventArgs e) { Pen p = new Pen(Color.HotPink, 10); p.DashStyle = DashStyle.DashDot; Graphics g = this.CreateGraphics(); g.DrawEllipse(p, 10, 15, 105, 250); } }