private void updateAnPerformanceInformationToolStripMenuItem_Click(object sender, EventArgs e) { if (uap == null) { uap = new UpdateAnPerformance(adminlogin); uap.MdiParent = this; uap.FormClosed += uap_FormClosed; uap.Show(); } else { uap.Activate(); } }
void uap_FormClosed(object sender, FormClosedEventArgs e) { uap = null; }