private void mantenimientoModeloDeVehiculoToolStripMenuItem_Click(object sender, EventArgs e) { if (modeloVehiculocs == null) { modeloVehiculocs = new ModeloVehiculocs(); modeloVehiculocs.MdiParent = this; modeloVehiculocs.FormClosed += new FormClosedEventHandler(cerrarModelo); modeloVehiculocs.Show(); } else { modeloVehiculocs.Activate(); } }
private void cerrarModelo(object sender, FormClosedEventArgs e) { modeloVehiculocs = null; }