private void pemakaianToolStripMenuItem_Click(object sender, EventArgs e) { //12. if (pakai == null) { pakai = new GUI.FPemakaian(); pakai.MdiParent = this; pakai.FormClosed += new FormClosedEventHandler(Proc_PemakaianClosed); pakai.Show(); } else { pakai.Activate(); } }
//8. void Proc_PemakaianClosed(Object sender, FormClosedEventArgs e) { pakai = null; }