Dynamic Notepad in C#

Category:

C#, VB.NET, ASP.NET

Type:

Applications

Difficulty:

Intermediate

Author: Ravikumar KV

Version Compatibility: Visual Basic.NET, C#

More information:

A notepad application created in C#

Instructions: Copy the declarations and code below and paste directly into your VB project.

Declarations:
public System.Windows.Forms.OpenFileDialog ODialog; public System.Windows.Forms.FontDialog Fdialog; public System.Windows.Forms.ColorDialog CDialog; public System.Windows.Forms.PrintDialog PDialog; public System.Windows.Forms.SaveFileDialog

Code:

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

namespace NotePad
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.MenuItem menuItem10;
		private System.Windows.Forms.MenuItem menuItem11;
		private System.Windows.Forms.MenuItem menuItem12;
		private System.Windows.Forms.MenuItem menuItem13;
		private System.Windows.Forms.RichTextBox rtbDisplay;
		private System.Windows.Forms.MenuItem menuItem14;
		private System.Windows.Forms.MenuItem menuItem15;
		private System.Windows.Forms.MenuItem menuItem16;
		private System.Windows.Forms.MenuItem menuItem17;
		private System.Windows.Forms.MenuItem menuItem7;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		public System.Windows.Forms.OpenFileDialog ODialog;
		public System.Windows.Forms.FontDialog Fdialog;
		public System.Windows.Forms.ColorDialog CDialog;
		public System.Windows.Forms.PrintDialog PDialog;
		public System.Windows.Forms.SaveFileDialog SDialog;

public Form1()
		{
			//
			// 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.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.menuItem11 = new System.Windows.Forms.MenuItem();
			this.menuItem12 = new System.Windows.Forms.MenuItem();
			this.menuItem13 = new System.Windows.Forms.MenuItem();
			this.rtbDisplay = new System.Windows.Forms.RichTextBox();
			this.menuItem14 = new System.Windows.Forms.MenuItem();
			this.menuItem15 = new System.Windows.Forms.MenuItem();
			this.menuItem16 = new System.Windows.Forms.MenuItem();
			this.menuItem17 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem8,
																					  this.menuItem14});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3,
																					  this.menuItem4,
																					  this.menuItem5,
																					  this.menuItem17,
																					  this.menuItem7,
																					  this.menuItem6});
			this.menuItem1.Text = "File";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "New";
			this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "Open";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 2;
			this.menuItem4.Text = "Save";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 3;
			this.menuItem5.Text = "Save As";
			this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 6;
			this.menuItem6.Text = "Exit";
			this.menuItem6.Click += new System.EventHandler(this.menuItem6_Click);
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 1;
			this.menuItem8.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem9,
																					  this.menuItem10,
																					  this.menuItem11,
																					  this.menuItem13,
																					  this.menuItem12});
			this.menuItem8.Text = "Edit";
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 0;
			this.menuItem9.Text = "Copy";
			this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
			// 
			// menuItem10
			// 
			this.menuItem10.Index = 1;
			this.menuItem10.Text = "Cut";
			this.menuItem10.Click += new System.EventHandler(this.menuItem10_Click);
			// 
			// menuItem11
			// 
			this.menuItem11.Index = 2;
			this.menuItem11.Text = "Paste";
			this.menuItem11.Click += new System.EventHandler(this.menuItem11_Click);
			// 
			// menuItem12
			// 
			this.menuItem12.Index = 4;
			this.menuItem12.Text = "Select All";
			this.menuItem12.Click += new System.EventHandler(this.menuItem12_Click);
			// 
			// menuItem13
			// 
			this.menuItem13.Index = 3;
			this.menuItem13.Text = "-";
			// 
			// rtbDisplay
			// 
			this.rtbDisplay.BorderStyle = System.Windows.Forms.BorderStyle.None;
			this.rtbDisplay.ImeMode = System.Windows.Forms.ImeMode.AlphaFull;
			this.rtbDisplay.Location = new System.Drawing.Point(0, 8);
			this.rtbDisplay.Name = "rtbDisplay";
			this.rtbDisplay.Size = new System.Drawing.Size(526, 385);
			this.rtbDisplay.TabIndex = 0;
			this.rtbDisplay.Text = "";
			this.rtbDisplay.TextChanged += new System.EventHandler(this.rtbDisplay_TextChanged);
			// 
			// menuItem14
			// 
			this.menuItem14.Index = 2;
			this.menuItem14.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					   this.menuItem15,
																					   this.menuItem16});
			this.menuItem14.Text = "Format";
			// 
			// menuItem15
			// 
			this.menuItem15.Index = 0;
			this.menuItem15.Text = "Font";
			this.menuItem15.Click += new System.EventHandler(this.menuItem15_Click);
			// 
			// menuItem16
			// 
			this.menuItem16.Index = 1;
			this.menuItem16.Text = "Font Color";
			this.menuItem16.Click += new System.EventHandler(this.menuItem16_Click);
			// 
			// menuItem17
			// 
			this.menuItem17.Index = 4;
			this.menuItem17.Text = "&Print";
			this.menuItem17.Click += new System.EventHandler(this.menuItem17_Click);
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 5;
			this.menuItem7.Text = "-";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 15);
			this.ClientSize = new System.Drawing.Size(536, 400);
			this.Controls.Add(this.rtbDisplay);
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.Text = "NotePad";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

}
		#endregion

/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

private void Form1_Load(object sender, System.EventArgs e)
		{
		
		}

private void menuItem15_Click(object sender, System.EventArgs e)
		{
			
			Fdialog = new FontDialog();
			Fdialog.Font = rtbDisplay.Font;
			if(Fdialog.ShowDialog()!= DialogResult.Cancel )
			{
				rtbDisplay.Font = Fdialog.Font;
			}
		
		}

private void menuItem16_Click(object sender, System.EventArgs e)
		{
			CDialog = new ColorDialog();
			CDialog.Color = rtbDisplay.ForeColor;
			if(CDialog.ShowDialog()!= DialogResult.Cancel)
			{
				rtbDisplay.ForeColor = CDialog.Color;
			}
		}

private void menuItem12_Click(object sender, System.EventArgs e)
		{
			rtbDisplay.SelectAll();
		}

private void menuItem2_Click(object sender, System.EventArgs e)
		{
			
		}

private void menuItem3_Click(object sender, System.EventArgs e)
		{
			ODialog	= new OpenFileDialog();
			try
			{
				rtbDisplay.Clear();
				ODialog.DefaultExt = "*.txt";
				ODialog.Filter = "Text Files|*.txt";
				if(ODialog.ShowDialog() != DialogResult.Cancel)
				{
					if (!ODialog.CheckFileExists ) 
					{
						MessageBox.Show("File Not Found");
						return;
					}
					else
						rtbDisplay.LoadFile(ODialog.FileName,RichTextBoxStreamType.PlainText);
				}
			}
			catch(Exception exp)
			{
				MessageBox.Show(exp.Message);
			}
			finally
			{
				ODialog.Dispose();
			}

}

private void rtbDisplay_TextChanged(object sender, System.EventArgs e)
		{
		
		}

private void menuItem9_Click(object sender, System.EventArgs e)
		{
			if (rtbDisplay.SelectionLength > 0)
			{
				rtbDisplay.Copy();
			}
			else
				System.Windows.Forms.MessageBox.Show("Select the Text and Proceed");
		}

private void menuItem10_Click(object sender, System.EventArgs e)
		{
			if (rtbDisplay.SelectionLength >0)
			{
				rtbDisplay.Cut();
			}
			else
				System.Windows.Forms.MessageBox.Show("Select the Text and Proceed");
		}

private void menuItem11_Click(object sender, System.EventArgs e)
		{
			rtbDisplay.Paste();
		}

private void menuItem17_Click(object sender, System.EventArgs e)
		{
	
		}

private void menuItem5_Click(object sender, System.EventArgs e)
		{
			SDialog = new SaveFileDialog();
			SDialog.Filter = "Txt Files|*.txt|Rtf Files|*.rtf";
			if(SDialog.ShowDialog() != DialogResult.Cancel)
			{
				rtbDisplay.SaveFile(SDialog.FileName); 
			}
		}

private void menuItem6_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}