private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e) { if (e.Key == Key.Down) { Dg.SelectRowByIndex(dg, 0); } }
private void searcher_PreviewKeyDown(object sender, KeyEventArgs e) { if (!Entrence.IsShowPopUp) { // e.Handled = true; return; } if (e.Key == Key.Down) { Dg.SelectRowByIndex(dg, 0); } if (e.Key == Key.Up) { Dg.SelectRowByIndex(dg, dg.Items.Count - 1); } }