private void QueriesButton_Click(object sender, RoutedEventArgs e)
        {
            SparqlQueryWindow queryWindow = new SparqlQueryWindow();

            queryWindow.Owner = this;
            queryWindow.Show();
        }
 private void QueriesButton_Click(object sender, RoutedEventArgs e)
 {
     SparqlQueryWindow queryWindow = new SparqlQueryWindow();
     queryWindow.Owner = this;
     queryWindow.Show();
 }