private void yourRequestsToolStripMenuItem_Click(object sender, EventArgs e) { if (requestsForm == null) { requestsForm = new RequestsForm(login); requestsForm.MdiParent = this; requestsForm.FormClosed += requestsForm_FormClosed; requestsForm.Show(); } else { requestsForm.Activate(); } }
private void requestsForm_FormClosed(object sender, FormClosedEventArgs e) { requestsForm = null; }