private void moduleslbl_Click(object sender, EventArgs e) { if (modules == null) { modules = new amodules(); modules.MdiParent = this; modules.FormClosed += Modules_FormClosed; modules.Show(); } else { modules.Activate(); } }
private void Modules_FormClosed(object sender, FormClosedEventArgs e) { modules = null; //throw new NotImplementedException(); }