/// <summary>
        /// Handles the Click event of the button4 control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void button4_Click(object sender, EventArgs e)
        {
            List <string> lista = new List <string>();

            if (RegrasNegocio.Regras.SeeAllEmpresa(ref lista))
            {
                Form2 novo = new Form2();

                novo.Lista(lista);
                novo.ShowDialog();



                novo.Close();
            }
        }