using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; public class MainForm : System.Windows.Forms.Form { public MainForm() { InitializeComponent(); CenterToScreen(); SetStyle(ControlStyles.ResizeRedraw, true); } private void InitializeComponent() { this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Text = "Pens..."; this.Resize += new System.EventHandler(this.Form1_Resize); this.Paint += new System.Windows.Forms.PaintEventHandler(this.MainForm_Paint); } static void Main() { Application.Run(new MainForm()); } private void MainForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { Graphics g = e.Graphics; // Draw a pruple dashed polygon as well... Pen pen3 = new Pen(Color.Purple, 5); pen3.DashStyle = DashStyle.DashDotDot; g.DrawPolygon(pen3, new Point[]{new Point(30, 140), new Point(265, 200), new Point(100, 225), new Point(190, 190), new Point(50, 330), new Point(20, 180)} ); } private void Form1_Resize(object sender, System.EventArgs e) { Invalidate(); } }