private void OnSelectedA(object sender, RoutedEventArgs e)
 {
     try
     {
         if (Results.SelectedItem != null)
         {
             var vRVTElement = (ClashItems)Results.SelectedItem;
             RevitTools.Focus(vRVTElement);
         }
     }
     catch
     {
     }
 }
 private void IsolateElements_click(object sender, RoutedEventArgs e)
 {
     try
     {
         if (Results.SelectedItem != null)
         {
             var vRVTElement = (ClashItems)Results.SelectedItem;
             RevitTools.Focus(vRVTElement);
             RevitTools.IsolateSelectionTemporary(vRVTElement);
         }
     }
     catch
     {
     }
 }