public void ToggleAlertSender(object sender) { if (sender == null) { return; } try { var imageAwesome = (ImageAwesome)sender; var item = (Item)imageAwesome.DataContext; if (item.AlertModeMinSellPriceIsUndercutPrice <= 0) { return; } item.IsAlertActive = AlertManager.ToggleAlert(ref item); ItemsView.Refresh(); } catch (Exception e) { Log.Error(nameof(ToggleAlertSender), e); } }