Counter.Decrement C# (CSharp) Method

    public static void Decrement()
    {
        Interlocked.Decrement(ref counter);
    }
}

        private void SubscriptionDropped(EventStorePersistentSubscriptionBase sub, SubscriptionDropReason reason, Exception ex)
        {
            Live = false;

            Logger.Write(LogLevel.Info, () => $"Disconnected from subscription.  Reason: {reason} Exception: {ex}");

            // Todo: is it possible to ACK an event from a reconnection?
            //if (_toAck.Any())
            //    throw new InvalidOperationException(
            //        $"Eventstore subscription dropped and we need to ACK {_toAck.Count} more events");


            // Need to clear ReadyEvents of events delivered but not processed before disconnect
            ResolvedEvent e;

            while (!_waitingEvents.IsEmpty)
            {
                Queued.Decrement(Id);
                QueuedEvents.Decrement(Id);
                _waitingEvents.TryDequeue(out e);
            }
            if (reason == SubscriptionDropReason.UserInitiated)
            {
                return;
            }

            // Task.Run(Connect, _token);
        }