GUI Windows Form C#

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
namespace GDI_Basics
{
    /// 
    /// Summary description for ControlPaint.
    /// 

    public class ControlPaintForm : System.Windows.Forms.Form
    {
        /// 
        /// Required designer variable.
        /// 

        private System.ComponentModel.Container components = null;
        public ControlPaintForm()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// 
        /// Clean up any resources being used.
        /// 

        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if(components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }
        #region Windows Form Designer generated code
        /// 
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// 

        private void InitializeComponent()
        {
            // 
            // ControlPaint
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Name = "ControlPaint";
            this.Text = "ControlPaint";
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.ControlPaint_Paint);
        }
        #endregion
        private void ControlPaint_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            ControlPaint.DrawCheckBox(e.Graphics, new Rectangle(10, 10, 50, 50), ButtonState.Checked);
            ControlPaint.DrawCheckBox(e.Graphics, new Rectangle(70, 10, 30, 30), ButtonState.Normal);
            ControlPaint.DrawCheckBox(e.Graphics, new Rectangle(110, 10, 20, 20), ButtonState.Checked);
            
            ControlPaint.DrawButton(e.Graphics, new Rectangle(10, 80, 20, 20), ButtonState.Checked);
            ControlPaint.DrawButton(e.Graphics, new Rectangle(50, 80, 20, 20), ButtonState.Flat);
            ControlPaint.DrawButton(e.Graphics, new Rectangle(90, 80, 20, 20), ButtonState.Normal);
            ControlPaint.DrawFocusRectangle(e.Graphics, new Rectangle(130, 80, 20, 20));
            
            ControlPaint.DrawGrid(e.Graphics, new Rectangle(10, 120, 250, 50), new Size(5, 5), Color.Blue);
            ControlPaint.DrawScrollButton(e.Graphics, new Rectangle(10, 180, 20, 20), ScrollButton.Left, ButtonState.Normal);
            ControlPaint.DrawScrollButton(e.Graphics, new Rectangle(50, 180, 20, 20), ScrollButton.Max, ButtonState.Pushed);
            ControlPaint.DrawScrollButton(e.Graphics, new Rectangle(90, 180, 20, 20), ScrollButton.Up, ButtonState.Normal);
            
            ControlPaint.DrawMenuGlyph(e.Graphics, new Rectangle(10, 220, 20, 20), MenuGlyph.Arrow);
            ControlPaint.DrawMenuGlyph(e.Graphics, new Rectangle(50, 220, 20, 20), MenuGlyph.Checkmark);
            ControlPaint.DrawMenuGlyph(e.Graphics, new Rectangle(90, 220, 20, 20), MenuGlyph.Max);
        }
        [STAThread]
        static void Main() 
        {
            Application.Run(new ControlPaintForm());
        }
    }
}