private void SearchColumnChanged(object sender, EventArgs e) { try { List <string> cmplist = new List <string>(_editor.GetSearchComparers(tscbKeyValue.SelectedIndex)); if (!cmplist.Contains(tscbComparer.Text)) { tscbComparer.Items.Clear(); tscbComparer.Items.AddRange(cmplist.ToArray()); } SearchOptionsChanged(sender, e); } catch { tscbKeyValue.Items.Clear(); tsbSearchPrev.Enabled = false; tsbSearchNext.Enabled = false; } }