private void hiveGridView_SelectionChanged(object sender, Leisn.UI.Xaml.Controls.SingleSelectionChangedEventArgs e)
 {
     viewModel.Selection = ($"index = {e.OldIndex}, value = {e.OldValue}  -->  index = {e.NewIndex}, value = {e.NewValue}");
 }
 internal void FireSelectionChanged(SingleSelectionChangedEventArgs args)
 {
     NotifySemanticZoomSelectionChanged();
     SelectionChanged?.Invoke(this, args);
 }