private void OnTimerElapsed(object sender, ElapsedEventArgs e) { OrdersDiff diff = new OrdersDiff(); if (_radnom.Probability(5)) { Order addedOrder = _randomizer.AddRandomOrder(Orders); diff.AddedOrders.Add(addedOrder); } if (_radnom.Probability(1)) { Order deletedorder = _randomizer.DeleteRandomOrder(Orders); diff.DeletedOrdersIds.Add(deletedorder.Id); } if (Orders.Count > 50) { while (Orders.Count > 25) { Order deletedOrder = _randomizer.DeleteRandomOrder(Orders); diff.DeletedOrdersIds.Add(deletedOrder.Id); } } Order updatedOrder = _randomizer.UpdateRandomOrder(Orders); diff.UpdatedOrders.Add(updatedOrder); OrdersChanged?.Invoke(this, new OrdersChangedEventArgs(diff)); _ordersHub.SendDiffAsync(diff); _ordersHub.SendMessageAsync("Diff object was sent to you with love"); }