2D Graphics C# Tutorial

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
public class BrushDashed : System.Windows.Forms.Form
{
  private System.ComponentModel.Container components;
  public BrushDashed()
  {
    InitializeComponent();
  }
  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }
  private void InitializeComponent()
  {
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(292, 273);
    this.Text = "Solid Brushes...";
    this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new BrushDashed());
  }
  private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
  {
    Graphics g = e.Graphics;
    
    SolidBrush brush3= new SolidBrush(Color.Purple);
    g.FillPolygon(brush3, 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)} );
  }
}