private void comboClientes_SelectedIndexChanged_1(object sender, EventArgs e) { if (comboClientes.SelectedItem != null) { comboVehiculos.Items.Clear(); foreach (Vehiculo v in fachada.getListaVehiculosCliente((Cliente)comboClientes.SelectedItem)) { comboVehiculos.Items.Add(v); } comboVehiculos.Show(); } }