private void cadastrarNovoContatoToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmAddCont vemAddCont = new frmAddCont();

            this.Hide();
            vemAddCont.ShowDialog();
            this.Close();
        }
        private void btnVoltar_Click(object sender, EventArgs e)
        {
            frmAddCont vemAddCont = new frmAddCont();

            this.Hide();
            vemAddCont.ShowDialog();
            this.Close();
        }