private void btn_listo_Click(object sender, EventArgs e)
        {
            nro = this.cmbCantidad.SelectedIndex;
            form_seleccion_distribucion form = new form_seleccion_distribucion(tipo, nro);

            if (form.ShowDialog() != DialogResult.OK)
            {
                this.Dispose();
            }
        }
        private void btn_jocking_Click(object sender, EventArgs e)
        {
            form_seleccion_distribucion form = new form_seleccion_distribucion('d');

            form.ShowDialog();
        }