private void DealsClasses_SelectionChanged(object sender, MultiClassSelectorEventArgs e)
 {
     if (e.ActionType == SelectorActionType.Add)
     {
         if (!Filters.Classes.Contains(e.Selection))
         {
             Filters.Classes.Add(e.Selection);
         }
     }
     else
     {
         if (Filters.Classes.Contains(e.Selection))
         {
             Filters.Classes.Remove(e.Selection);
         }
     }
     RefreshDealsFiltersTooltip();
 }
        private void Classes_SelectionChanged(object sender, MultiClassSelectorEventArgs e)
        {
            if (!_loaded)
            {
                return;
            }

            if (e.ActionType == SelectorActionType.Add)
            {
                Filters.Classes.Add(e.Selection);
            }
            else
            {
                Filters.Classes.Remove(e.Selection);
            }
            RunFilter();
        }