private void товарыНаСкладеСиМToolStripMenuItem_Click(object sender, EventArgs e) { if (f14 == null) { f14 = new Form14(); f14.MdiParent = this; f14.FormClosed += new FormClosedEventHandler(f14_FormClosed); f14.Show(); } else { f14.Activate(); } }
void f14_FormClosed(object sender, FormClosedEventArgs e) { f14 = null; }