private void ModelosDeVehiculoToolStripMenuItem_Click(object sender, EventArgs e) { if (mantenimientoModelosVehiculos == null) { mantenimientoModelosVehiculos = new MantenimientoModelosVehiculos(); mantenimientoModelosVehiculos.MdiParent = this; mantenimientoModelosVehiculos.FormClosed += new FormClosedEventHandler(cerrarModelosDeVehiculo); mantenimientoModelosVehiculos.Show(); } else { mantenimientoModelosVehiculos.Activate(); } }
private void cerrarModelosDeVehiculo(object sender, FormClosedEventArgs e) { mantenimientoModelosVehiculos = null; }