private void btnOk_Click(object sender, RoutedEventArgs e)
 {
     Result = new PortConfig();
     Result.PortA = IsComAValid() ? txtPortAName.Text : "-";
     DialogResult = true;
 }
 private void btnOk_Click(object sender, RoutedEventArgs e)
 {
     Result       = new PortConfig();
     Result.PortA = IsComAValid() ? txtPortAName.Text : "-";
     DialogResult = true;
 }