void St_StockChange(object sender, StockChangeEventArgs e) { CheckFilter(e.Stock); }
protected virtual void OnStockChange(StockChangeEventArgs e) => StockChange?.Invoke(this, e);
void St_StockChange(object sender, StockChangeEventArgs e) { CheckFilter(e.Stock); }
protected virtual void OnStockChange(StockChangeEventArgs e) => StockChange?.Invoke(this, e);