Development Class C#

/*
Code revised from chapter 1
GDI+ Custom Controls with Visual C# 2005
By Iulian Serban, Dragos Brezoi, Tiberiu Radu, Adam Ward 
Language English
Paperback 272 pages [191mm x 235mm]
Release date July 2006
ISBN 1904811604
Sample chapter
http://www.packtpub.com/files/1604_CustomControls_SampleChapter.pdf
For More info on GDI+ Custom Control with Microsoft Visual C# book 
visit website www.packtpub.com 
*/ 
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Media;
using System.IO;
    public partial class Form1 : Form
    {
        private TinyNoiseMaker tinyNoiseMaker1;
        private System.Windows.Forms.Button playButton;
        private System.ComponentModel.IContainer components = null;
        public Form1()
        {
            InitializeComponent();
        }
        /// 
        /// Clean up any resources being used.
        /// 

        /// true if managed resources should be disposed; otherwise, false.
        protected override void Dispose(bool disposing)
        {
            if (disposing && (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.playButton = new System.Windows.Forms.Button();
            this.tinyNoiseMaker1 = new TinyNoiseMaker();
            this.SuspendLayout();
            // 
            // playButton
            // 
            this.playButton.Location = new System.Drawing.Point(100, 22);
            this.playButton.Name = "playButton";
            this.playButton.Size = new System.Drawing.Size(82, 23);
            this.playButton.TabIndex = 1;
            this.playButton.Text = "Play My File";
            this.playButton.UseVisualStyleBackColor = true;
            this.playButton.Click += new System.EventHandler(this.playButton_Click);
            // 
            // tinyNoiseMaker1
            // 
            this.tinyNoiseMaker1.BackColor = System.Drawing.SystemColors.ControlLight;
            this.tinyNoiseMaker1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.tinyNoiseMaker1.FileName = null;
            this.tinyNoiseMaker1.Location = new System.Drawing.Point(21, 68);
            this.tinyNoiseMaker1.Name = "tinyNoiseMaker1";
            this.tinyNoiseMaker1.Size = new System.Drawing.Size(268, 37);
            this.tinyNoiseMaker1.TabIndex = 0;
            this.tinyNoiseMaker1.PlayStart += new System.EventHandler(this.tinyNoiseMaker1_PlayStart);
            this.tinyNoiseMaker1.PlayStop += new System.EventHandler(this.tinyNoiseMaker1_PlayStop);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(316, 163);
            this.Controls.Add(this.playButton);
            this.Controls.Add(this.tinyNoiseMaker1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);
        }
        #endregion
        private void tinyNoiseMaker1_PlayStart(object sender, EventArgs e)
        {
            Text = "Started Play of: " + tinyNoiseMaker1.FileName;
        }
        private void tinyNoiseMaker1_PlayStop(object sender, EventArgs e)
        {
            Text = "Stopped Play of : " + tinyNoiseMaker1.FileName;
        }
        private void playButton_Click(object sender, EventArgs e)
        {
            tinyNoiseMaker1.FileName = "C:\\WINDOWS\\Media\\tada.wav";
            tinyNoiseMaker1.Play();
        }
        /// 
        /// The main entry point for the application.
        /// 

        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
        
    }
    
    public partial class TinyNoiseMaker : UserControl
    {
        public event EventHandler PlayStart;
        public event EventHandler PlayStop;
        ///  
        /// Required designer variable.
        /// 

        private System.ComponentModel.IContainer components = null;
        ///  
        /// Clean up any resources being used.
        /// 

        /// true if managed resources should be disposed; otherwise, false.
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #region Component Designer generated code
        ///  
        /// Required method for Designer support - do not modify 
        /// the contents of this method with the code editor.
        /// 

        private void InitializeComponent()
        {
            this.openButton = new System.Windows.Forms.Button();
            this.playButton = new System.Windows.Forms.Button();
            this.stopButton = new System.Windows.Forms.Button();
            this.openFileDialog = new System.Windows.Forms.OpenFileDialog();
            this.SuspendLayout();
            // 
            // openButton
            // 
            this.openButton.Location = new System.Drawing.Point(4, 4);
            this.openButton.Name = "openButton";
            this.openButton.Size = new System.Drawing.Size(82, 25);
            this.openButton.TabIndex = 0;
            this.openButton.Text = "Open";
            this.openButton.UseVisualStyleBackColor = true;
            this.openButton.Click += new System.EventHandler(this.openButton_Click);
            // 
            // playButton
            // 
            this.playButton.Location = new System.Drawing.Point(86, 4);
            this.playButton.Name = "playButton";
            this.playButton.Size = new System.Drawing.Size(82, 25);
            this.playButton.TabIndex = 1;
            this.playButton.Text = "Play";
            this.playButton.UseVisualStyleBackColor = true;
            this.playButton.Click += new System.EventHandler(this.playButton_Click);
            // 
            // stopButton
            // 
            this.stopButton.Location = new System.Drawing.Point(168, 4);
            this.stopButton.Name = "stopButton";
            this.stopButton.Size = new System.Drawing.Size(82, 25);
            this.stopButton.TabIndex = 2;
            this.stopButton.Text = "Stop";
            this.stopButton.UseVisualStyleBackColor = true;
            this.stopButton.Click += new System.EventHandler(this.stopButton_Click);
            // 
            // openFileDialog
            // 
            this.openFileDialog.FileName = "openFileDialog";
            // 
            // TinyNoiseMaker
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.BackColor = System.Drawing.SystemColors.ControlLight;
            this.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.Controls.Add(this.stopButton);
            this.Controls.Add(this.playButton);
            this.Controls.Add(this.openButton);
            this.Name = "TinyNoiseMaker";
            this.Size = new System.Drawing.Size(250, 30);
            this.ResumeLayout(false);
        }
        #endregion
        private System.Windows.Forms.Button openButton;
        private System.Windows.Forms.Button playButton;
        private System.Windows.Forms.Button stopButton;
        private System.Windows.Forms.OpenFileDialog openFileDialog;
        protected virtual void OnPlayStart(EventArgs e)
        {
            if (PlayStart != null)
            {
                PlayStart(this, e);
            }
        }
        protected virtual void OnPlayStop(EventArgs e)
        {
            if (PlayStop != null)
            {
                PlayStop(this, e);
            }
        }
        
        
        SoundPlayer soundPlayer;
        public TinyNoiseMaker()
        {
            InitializeComponent();
            soundPlayer = new SoundPlayer();
        }
        private void openButton_Click(object sender, EventArgs e)
        {
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                FileName = openFileDialog.FileName;
            }
                
        }
        private void playButton_Click(object sender, EventArgs e)
        {
            Play();
        }
        private void stopButton_Click(object sender, EventArgs e)
        {
            Stop();
        }
        public void Play()
        {
            soundPlayer.Play();
            OnPlayStart(EventArgs.Empty);
        }
        public void Stop()
        {
            soundPlayer.Stop();
            OnPlayStop(EventArgs.Empty);
        }
        private string fileName;
        public string FileName
        {
            get
            {
                return fileName;
            }
            set
            {
                if (fileName != value)
                {
                    fileName = value;
                    soundPlayer.Stream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
                }
            }
        }
    }