void aj_FormClosed(object sender, FormClosedEventArgs e) { aj = null; }
private void reAssignAJobToolStripMenuItem_Click(object sender, EventArgs e) { if (aj == null) { aj = new ReassignJob(this.adminlogin); aj.MdiParent = this; aj.FormClosed += aj_FormClosed; aj.Show(); } else { aj.Activate(); } }