private void barButtonItem44_ItemClick(object sender, ItemClickEventArgs e) { barButtonItem44.ButtonStyle = BarButtonStyle.Check; RibonPasif(); if (ml == null) { ml = new frm_MailListesi(); ml.MdiParent = this; ml.FormClosed += new FormClosedEventHandler(Ml_FormClosed); ml.Show(); } else { ml.Activate(); } }
private void Ml_FormClosed(object sender, FormClosedEventArgs e) { ml = null; RibonAktif(); barButtonItem44.ButtonStyle = BarButtonStyle.Default; }