protected virtual void OnCashpointMsgReceived(CashpointStatusMessageReceivedEventArgs e)
{
if (!servers.ContainsKey(e.IpAddress))
servers.Add(e.IpAddress, DateTime.Now);
if (CashpointMsgReceived != null && e.MessageType == CashpointMessageType.Update)
CashpointMsgReceived(this, e);
}
protected virtual void OnCashpointDisconnected(CashpointStatusMessageReceivedEventArgs e)
{
servers.Remove(e.IpAddress);
if (CashpointDisconnected != null)
CashpointDisconnected(this, e);
}