private void mb1_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Merhaba DÜNYA", "MESAJ KUTUSU ", MessageBoxButtons.YesNo , MessageBoxIcon.Error);
        }

        private void opd1_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "Text Dosyaları | *.txt*";
            DialogResult cevap = ofd.ShowDialog();
           
        }

        private void sfd1_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "Text Dosyası | *.txt*";
            DialogResult devam = sfd.ShowDialog();
           


        }

        private void fd1_Click(object sender, EventArgs e)
        {
            FontDialog fd = new FontDialog();
            if (fd.ShowDialog() == DialogResult.OK)
            { 
            
            }
        }

        private void pd1_Click(object sender, EventArgs e)
        {
            PrintDialog pdg = new PrintDialog();
            DialogResult devam = pdg.ShowDialog();
            if (devam == DialogResult.OK)
            {
                belge.Print();

               
            }

        }

        private void belge_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            e.Graphics.DrawString(richTextBox1.Text, richTextBox1.Font, Brushes.Red, new Point(100, 100));
        }