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

namespace FileWriteOpenFileDialog
{
	public class PhoneForm : System.Windows.Forms.Form
	{
		#region ...Omitted designer generated code
		internal System.Windows.Forms.Button saveButton;
		internal System.Windows.Forms.Label Label2;
		internal System.Windows.Forms.Label Label1;
		internal System.Windows.Forms.TextBox phoneTextBox;
		internal System.Windows.Forms.TextBox nameTextBox;
		internal System.Windows.Forms.MenuItem fileOpenMenuItem;
		internal System.Windows.Forms.MenuItem fileExitMenuItem;
		internal System.Windows.Forms.OpenFileDialog OpenFileDialog1;
		internal System.Windows.Forms.MenuItem fileMenu;
		internal System.Windows.Forms.MainMenu MainMenu1;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public PhoneForm()
		{
			//
			// 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.saveButton = new System.Windows.Forms.Button();
			this.Label2 = new System.Windows.Forms.Label();
			this.Label1 = new System.Windows.Forms.Label();
			this.phoneTextBox = new System.Windows.Forms.TextBox();
			this.nameTextBox = new System.Windows.Forms.TextBox();
			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.OpenFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.SuspendLayout();
			// 
			// saveButton
			// 
			this.saveButton.Location = new System.Drawing.Point(185, 174);
			this.saveButton.Name = "saveButton";
			this.saveButton.TabIndex = 4;
			this.saveButton.Text = "&Save";
			this.saveButton.Click += new System.EventHandler(this.saveButton_Click);
			// 
			// Label2
			// 
			this.Label2.Location = new System.Drawing.Point(33, 110);
			this.Label2.Name = "Label2";
			this.Label2.TabIndex = 2;
			this.Label2.Text = "&Phone";
			// 
			// Label1
			// 
			this.Label1.Location = new System.Drawing.Point(33, 70);
			this.Label1.Name = "Label1";
			this.Label1.TabIndex = 0;
			this.Label1.Text = "&Name";
			// 
			// phoneTextBox
			// 
			this.phoneTextBox.Location = new System.Drawing.Point(153, 110);
			this.phoneTextBox.Name = "phoneTextBox";
			this.phoneTextBox.TabIndex = 3;
			this.phoneTextBox.Text = "";
			// 
			// nameTextBox
			// 
			this.nameTextBox.Location = new System.Drawing.Point(153, 70);
			this.nameTextBox.Name = "nameTextBox";
			this.nameTextBox.TabIndex = 1;
			this.nameTextBox.Text = "";
			// 
			// 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);
			// 
			// OpenFileDialog1
			// 
			this.OpenFileDialog1.CheckFileExists = false;
			this.OpenFileDialog1.CheckPathExists = false;
			this.OpenFileDialog1.DefaultExt = "txt";
			this.OpenFileDialog1.FileName = "PhoneList";
			this.OpenFileDialog1.Filter = "Text Files (*.txt) files|*.txt|All files (*.*)|*.*";
			this.OpenFileDialog1.Title = "Open File";
			// 
			// PhoneForm
			// 
			this.AcceptButton = this.saveButton;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(296, 233);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.saveButton,
																		  this.Label2,
																		  this.Label1,
																		  this.phoneTextBox,
																		  this.nameTextBox});
			this.Menu = this.MainMenu1;
			this.Name = "PhoneForm";
			this.Text = "Create Name Phone File";
			this.ResumeLayout(false);

		}
		#endregion
		#endregion
		
		StreamWriter phoneStreamWriter;
	
		[STAThread]
		static void Main() 
		{
			Application.Run(new PhoneForm());
		}

		private void saveButton_Click(object sender, System.EventArgs e)
		{
			//Save the record to the file

			if (phoneStreamWriter != null)		//Is the file open?
			{
				//Save the record
				phoneStreamWriter.WriteLine(nameTextBox.Text);
				phoneStreamWriter.WriteLine(phoneTextBox.Text);
				nameTextBox.Clear();
				nameTextBox.Focus();
				phoneTextBox.Clear();
			}
			else					//File is not open
			{
				MessageBox.Show("You must open the file before you can save a record", 
					"File Not Open", MessageBoxButtons.OK, MessageBoxIcon.Information);
				fileOpenMenuItem_Click(sender, e);			 //Display the File Open dialog box
			}
		}

		private void fileOpenMenuItem_Click(object sender, System.EventArgs e)
		{
			//Open the file

			if (phoneStreamWriter != null)		  //Is the file already open?
			{
				phoneStreamWriter.Close();
			}
				
			OpenFileDialog1.InitialDirectory = Application.StartupPath;	  //Begin in project folder
			//Display the File Open dialog box
			if (OpenFileDialog1.ShowDialog() != DialogResult.Cancel)	  //User didn't click Cancel button
			{
				phoneStreamWriter = new StreamWriter(OpenFileDialog1.FileName);	  //Open the output file
			}
			nameTextBox.Focus();
		}

		private void fileExitMenuItem_Click(object sender, System.EventArgs e)
		{
			//Close the file and the form

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