private void changeSalaryAmountToolStripMenuItem_Click(object sender, EventArgs e) { if (uasb == null) { uasb = new UpdateASalaryBonus(); uasb.MdiParent = this; uasb.FormClosed += uasb_FormClosed; uasb.Show(); } else { uasb.Activate(); } }
void uasb_FormClosed(object sender, FormClosedEventArgs e) { uasb = null; }