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;
using System.Data;
namespace TransparentForms
{
    /// 
    /// Summary description for Form1.
    /// 

    public class Holes : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.PictureBox PictureBox4;
        internal System.Windows.Forms.PictureBox PictureBox2;
        internal System.Windows.Forms.PictureBox PictureBox1;
        internal System.Windows.Forms.PictureBox PictureBox3;
        /// 
        /// Required designer variable.
        /// 

        private System.ComponentModel.Container components = null;
        public Holes()
        {
            //
            // 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()
        {
            this.PictureBox4 = new System.Windows.Forms.PictureBox();
            this.PictureBox2 = new System.Windows.Forms.PictureBox();
            this.PictureBox1 = new System.Windows.Forms.PictureBox();
            this.PictureBox3 = new System.Windows.Forms.PictureBox();
            this.SuspendLayout();
            // 
            // PictureBox4
            // 
            this.PictureBox4.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(128)));
            this.PictureBox4.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.PictureBox4.Location = new System.Drawing.Point(108, 108);
            this.PictureBox4.Name = "PictureBox4";
            this.PictureBox4.Size = new System.Drawing.Size(76, 76);
            this.PictureBox4.TabIndex = 10;
            this.PictureBox4.TabStop = false;
            // 
            // PictureBox2
            // 
            this.PictureBox2.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(128)));
            this.PictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.PictureBox2.Location = new System.Drawing.Point(12, 108);
            this.PictureBox2.Name = "PictureBox2";
            this.PictureBox2.Size = new System.Drawing.Size(76, 76);
            this.PictureBox2.TabIndex = 9;
            this.PictureBox2.TabStop = false;
            // 
            // PictureBox1
            // 
            this.PictureBox1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(128)));
            this.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.PictureBox1.Location = new System.Drawing.Point(108, 16);
            this.PictureBox1.Name = "PictureBox1";
            this.PictureBox1.Size = new System.Drawing.Size(76, 76);
            this.PictureBox1.TabIndex = 8;
            this.PictureBox1.TabStop = false;
            // 
            // PictureBox3
            // 
            this.PictureBox3.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(128)));
            this.PictureBox3.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.PictureBox3.Location = new System.Drawing.Point(12, 16);
            this.PictureBox3.Name = "PictureBox3";
            this.PictureBox3.Size = new System.Drawing.Size(76, 76);
            this.PictureBox3.TabIndex = 7;
            this.PictureBox3.TabStop = false;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(232, 234);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.PictureBox4,
                                                                          this.PictureBox2,
                                                                          this.PictureBox1,
                                                                          this.PictureBox3});
            this.Name = "Form1";
            this.Text = "A Form With Holes";
            this.TransparencyKey = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(128)));
            this.ResumeLayout(false);
        }
        #endregion
        /// 
        /// The main entry point for the application.
        /// 

        [STAThread]
        static void Main() 
        {
            Application.Run(new Holes());
        }
    }
}