private void namecheck_CheckChanged(object sender, RoutedEventArgs e) {
if (!this.IsLoaded) return;
this.namefilter.IsEnabled = e.RoutedEvent.Name == "Checked";
this.namequery.IsEnabled = e.RoutedEvent.Name == "Checked";
this.namecase.IsEnabled = e.RoutedEvent.Name == "Checked";
}