private void ServicesToolStripMenuItem_Click(object sender, EventArgs e) { if (servicesFrm == null) { servicesFrm = new ServicesFrm(); servicesFrm.MdiParent = this; servicesFrm.FormClosed += ServicesFrm_FormClosed; servicesFrm.Show(); } else { servicesFrm.Activate(); } }
private void ServicesFrm_FormClosed(object sender, FormClosedEventArgs e) { servicesFrm = null; }