using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace FileReadOpenFileDialog
{
	public class DisplayForm : System.Windows.Forms.Form
	{
		#region ...Omitted designer generated code

		internal System.Windows.Forms.Label Label2;
		internal System.Windows.Forms.Label Label1;
		internal System.Windows.Forms.Button nextButton;
		internal System.Windows.Forms.Label phoneLabel;
		internal System.Windows.Forms.Label nameLabel;
		internal System.Windows.Forms.OpenFileDialog OpenFileDialog1;
		internal System.Windows.Forms.MenuItem fileOpenMenuItem;
		internal System.Windows.Forms.MenuItem fileExitMenuItem;
		internal System.Windows.Forms.MainMenu MainMenu1;
		internal System.Windows.Forms.MenuItem fileMenu;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public DisplayForm()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.Label2 = new System.Windows.Forms.Label();
			this.Label1 = new System.Windows.Forms.Label();
			this.nextButton = new System.Windows.Forms.Button();
			this.phoneLabel = new System.Windows.Forms.Label();
			this.nameLabel = new System.Windows.Forms.Label();
			this.OpenFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.MainMenu1 = new System.Windows.Forms.MainMenu();
			this.fileMenu = new System.Windows.Forms.MenuItem();
			this.fileOpenMenuItem = new System.Windows.Forms.MenuItem();
			this.fileExitMenuItem = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// Label2
			// 
			this.Label2.Location = new System.Drawing.Point(34, 98);
			this.Label2.Name = "Label2";
			this.Label2.Size = new System.Drawing.Size(56, 24);
			this.Label2.TabIndex = 7;
			this.Label2.Text = "Phone:";
			// 
			// Label1
			// 
			this.Label1.Location = new System.Drawing.Point(34, 58);
			this.Label1.Name = "Label1";
			this.Label1.Size = new System.Drawing.Size(48, 16);
			this.Label1.TabIndex = 5;
			this.Label1.Text = "Name:";
			// 
			// nextButton
			// 
			this.nextButton.Enabled = false;
			this.nextButton.Location = new System.Drawing.Point(138, 186);
			this.nextButton.Name = "nextButton";
			this.nextButton.TabIndex = 9;
			this.nextButton.Text = "&Next";
			this.nextButton.Click += new System.EventHandler(this.nextButton_Click);
			// 
			// phoneLabel
			// 
			this.phoneLabel.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
			this.phoneLabel.Location = new System.Drawing.Point(106, 98);
			this.phoneLabel.Name = "phoneLabel";
			this.phoneLabel.Size = new System.Drawing.Size(152, 23);
			this.phoneLabel.TabIndex = 8;
			// 
			// nameLabel
			// 
			this.nameLabel.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
			this.nameLabel.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.nameLabel.Location = new System.Drawing.Point(106, 58);
			this.nameLabel.Name = "nameLabel";
			this.nameLabel.Size = new System.Drawing.Size(152, 23);
			this.nameLabel.TabIndex = 6;
			// 
			// OpenFileDialog1
			// 
			this.OpenFileDialog1.DefaultExt = "txt";
			this.OpenFileDialog1.Filter = ".txt files|*.txt|All files|*.*";
			this.OpenFileDialog1.InitialDirectory = "Application.StartupPath";
			this.OpenFileDialog1.Title = "Open File to Read";
			// 
			// MainMenu1
			// 
			this.MainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.fileMenu});
			// 
			// fileMenu
			// 
			this.fileMenu.Index = 0;
			this.fileMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.fileOpenMenuItem,
																					 this.fileExitMenuItem});
			this.fileMenu.Text = "&File";
			// 
			// fileOpenMenuItem
			// 
			this.fileOpenMenuItem.Index = 0;
			this.fileOpenMenuItem.Text = "&Open";
			this.fileOpenMenuItem.Click += new System.EventHandler(this.fileOpenMenuItem_Click);
			// 
			// fileExitMenuItem
			// 
			this.fileExitMenuItem.Index = 1;
			this.fileExitMenuItem.Text = "E&xit";
			this.fileExitMenuItem.Click += new System.EventHandler(this.fileExitMenuItem_Click);
			// 
			// DisplayForm
			// 
			this.AcceptButton = this.nextButton;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(288, 225);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.Label2,
																		  this.Label1,
																		  this.nextButton,
																		  this.phoneLabel,
																		  this.nameLabel});
			this.Menu = this.MainMenu1;
			this.Name = "DisplayForm";
			this.Text = "Display Name Phone File";
			this.ResumeLayout(false);

		}
		#endregion
		#endregion
		
		private StreamReader phoneStreamReader; 

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

		private void nextButton_Click(object sender, System.EventArgs e)
		{
			//Read and display the next record

			if (phoneStreamReader.Peek() != -1)
			{
				nameLabel.Text = phoneStreamReader.ReadLine();
				phoneLabel.Text = phoneStreamReader.ReadLine();
			}
		}

		private void fileOpenMenuItem_Click(object sender, System.EventArgs e)
		{
			//Display the Open File dialog box and open the file
			//DialogResult responseDialogResult; 

			if (phoneStreamReader != null)		  //Is file already open?
			{
				phoneStreamReader.Close();
			}
			OpenFileDialog1.InitialDirectory = Application.StartupPath;
			//Display the File Open dialog box
			if (OpenFileDialog1.ShowDialog() != DialogResult.Cancel)	//User didn't click Cancel button
			{
				phoneStreamReader = new StreamReader(OpenFileDialog1.FileName);	//Open the input file
				nextButton.Enabled = true;
				nextButton_Click(sender, e);					//Display first record
			}
		}

		private void fileExitMenuItem_Click(object sender, System.EventArgs e)
		{
			//End the project

			if (phoneStreamReader != null)		  //Is file open?
			{
				phoneStreamReader.Close();
			}
			this.Close();
		}
	}
}