} // end method

        #endregion

        #region Private Methods

        /// <summary>
        /// Get the list of machines which responded to the lan ping test.
        /// </summary>
        /// <returns>List of lan ping responding.</returns>
        private List <IPAddress> getLanPingResults()
        {
            using (lanPinger_m = new LanPingerAsync())
            {
                List <IPAddress> respondingIpAddresses = lanPinger_m.GetActiveMachineAddresses();
                if (respondingIpAddresses == null)
                {
                    return(new List <IPAddress>());
                } // end if

                return(lanPinger_m.GetActiveMachineAddresses());
            } // end using
        }     // end method
        } // end method

        #endregion

        #region Private Methods

        /// <summary>
        /// Get the list of machines which responded to the lan ping test.
        /// </summary>
        /// <returns>List of lan ping responding.</returns>
        private List<IPAddress> getLanPingResults()
        {
            using (lanPinger_m = new LanPingerAsync())
            {
                List<IPAddress> respondingIpAddresses = lanPinger_m.GetActiveMachineAddresses();
                if (respondingIpAddresses == null)
                {
                    return new List<IPAddress>();
                } // end if

                return lanPinger_m.GetActiveMachineAddresses();
            } // end using
        } // end method