private void removeMediumToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form4 f4 = new Form4(this, 4);

            f4.Show();
        }
        private void removeLanguageToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form4 f4 = new Form4(this, 1);

            f4.Show();
        }