private void receivingBarButtonItem_ItemClick(object sender, ItemClickEventArgs e) { var ch = this.MdiChildren; foreach (var form in ch) { if (form.GetType() == typeof(ReceivingList)) { form.Activate(); return; } } var listView = new ReceivingList(); listView.MdiParent = this; listView.ShowList(); listView.Show(); }
private void btn_receive_Click(object sender, EventArgs e) { ReceivingList rc = new ReceivingList(); rc.Show(this); }