private void ServiçosToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            frmConsultaServico f = new frmConsultaServico();

            f.MdiParent = this;
            f.Show();
        }
        private void btProcurar_Click(object sender, EventArgs e)
        {
            frmConsultaServico f = new frmConsultaServico(true);

            f.ShowDialog();
            if (f.cod != 0)
            {
                txtCodServico.Text = f.cod.ToString();
                txtCodServico_Leave(sender, e);
            }
        }