private void dataBarangToolStripMenuItem_Click(object sender, EventArgs e) { //10. if (brg == null) { brg = new GUI.FBarang(); brg.MdiParent = this; brg.FormClosed += new FormClosedEventHandler(Proc_BarangClosed); brg.Show(); } else { brg.Activate(); } }
//7. void Proc_BarangClosed(Object sender, FormClosedEventArgs e) { brg = null; }