void BindingTestButton_Click(object sender, RoutedEventArgs e)
 {
     BindingTestWindow w = new BindingTestWindow();
     w.WindowStartupLocation = WindowStartupLocation.CenterOwner;
     w.Owner = this;
     w.ShowDialog();
 }
        void BindingTestButton_Click(object sender, RoutedEventArgs e)
        {
            BindingTestWindow w = new BindingTestWindow();

            w.WindowStartupLocation = WindowStartupLocation.CenterOwner;
            w.Owner = this;
            w.ShowDialog();
        }