private void searchBugsToolStripMenuItem_Click(object sender, EventArgs e) { if (asb == null) { asb = new aboutSearchbug(); asb.MdiParent = this; asb.FormClosed += asb_FormClosed; asb.Show(); } else { asb.Activate(); } }
void asb_FormClosed(object sender, FormClosedEventArgs e) { asb = null; //throw new NotImplementedException(); }