private void изменитьЗаписьToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ChangeR change = new ChangeR();

            change.Show();
            this.Close();
        }
        private void ChangeElem_Click(object sender, EventArgs e)
        {
            ChangeR change = new ChangeR();

            change.Show();
            this.Close();
        }