public int GetInterval(ref string strError)
        {
            int interval = 0;

            AddressCheckData data = new AddressCheckData();
            interval = data.GetRefreshRate(ref strError);

            return interval;
        }
 public void UpdateRefreshRate(int interval, ref string strError)
 {
     AddressCheckData data = new AddressCheckData();
     data.UpdateRefreshRate(interval, ref strError);
 }