private void fontToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (fontDialog1.ShowDialog() == DialogResult.OK)
            {
                txtmatn.Font = fontDialog1.Font;
            }
        }

private void رنگمتنToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (colorDialog1.ShowDialog() == DialogResult.OK)
            {
                txtmatn.ForeColor = colorDialog1.Color;
            }
        }

private void رنگصفحهToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (colorDialog1.ShowDialog() == DialogResult.OK)
            {
                txtmatn.BackColor = colorDialog1.Color;
            }
        }

private void شکستنمتنToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (txtmatn.WordWrap == true)
            {
                txtmatn.WordWrap = false;
            }
            else
            {
                txtmatn.WordWrap = true;
            }
        }

private void بازگشتبهعقبToolStripMenuItem_Click(object sender, EventArgs e)
        {
            txtmatn.Undo();
        }

private void کپیToolStripMenuItem_Click(object sender, EventArgs e)
        {
            txtmatn.Copy();
        }

private void جایگزینToolStripMenuItem_Click(object sender, EventArgs e)
        {
            txtmatn.Paste();
        }

private void برشToolStripMenuItem_Click(object sender, EventArgs e)
        {
            txtmatn.Cut();
        }

private void حذفToolStripMenuItem_Click(object sender, EventArgs e)
        {
            txtmatn.SelectedText = "";
        }

   	private void انتخابهمهToolStripMenuItem_Click(object sender, EventArgs e)
        {
            txtmatn.SelectAll();
        }