private void fixBugToolStripMenuItem_Click(object sender, EventArgs e) { if (afb == null) { afb = new aboutFixbug(); afb.MdiParent = this; afb.FormClosed += afb_FormClosed; afb.Show(); } else { afb.Activate(); } }
void afb_FormClosed(object sender, FormClosedEventArgs e) { afb = null; //throw new NotImplementedException(); }