private void MyListView_OnLoaded(object sender, RoutedEventArgs e)
 {
     MyListView.Focus();
     MyListView.SelectedItem = MyListView.Items[0];
     // Have to do this because the ListView doesn't fully select the first item, user would
     // otherwise have to press down twice to get the selection to move to the second item.
     KeyboardUtilities.PressKey(MyListView, Key.Down);
 }