Output:
Code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Question_2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
//for cut
private void cutToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.Cut();
}
//for copy
private void copyToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.Copy();
}
//for paste
private void pasteToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.Paste();
}
//for undo
private void undoToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.Undo();
}
//for redo
private void redoToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.Redo();
}
//for open
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog
{
DefaultExt = "txt",
Filter = "txt files (*.txt)|*.txt",
};
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
System.IO.StreamReader sr = new
System.IO.StreamReader(openFileDialog1.FileName);
richTextBox1.Text = sr.ReadToEnd();
// MessageBox.Show(sr.ReadToEnd());
sr.Close();
}
}
//for save
private void saveToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveFileDialog saveFile1 = new SaveFileDialog();
saveFile1.DefaultExt = "*.txt";
saveFile1.Filter = "Text Files|*.txt";
if (saveFile1.ShowDialog() == System.Windows.Forms.DialogResult.OK &&
saveFile1.FileName.Length > 0)
{
richTextBox1.SaveFile(saveFile1.FileName, RichTextBoxStreamType.PlainText);
}
}
private void newToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.Clear();
}
private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void boldToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.SelectionFont = new Font(richTextBox1.Font.Name, richTextBox1.Font.Size, FontStyle.Bold);
}
private void italicToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.SelectionFont = new Font(richTextBox1.Font.Name, richTextBox1.Font.Size, FontStyle.Italic);
}
private void underlineToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.SelectionFont = new Font(richTextBox1.Font.Name, richTextBox1.Font.Size, FontStyle.Underline);
}
private void undoToolStripMenuItem1_Click(object sender, EventArgs e)
{
richTextBox1.SelectionFont = new Font(richTextBox1.Font.Name, richTextBox1.Font.Size, FontStyle.Regular);
}
private void colourToolStripMenuItem_Click(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Gainsboro;
}
}
}
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