System.Net.Sockets.Socket.DnsCallback C# (CSharp) Method

        private static void DnsCallback(IAsyncResult result)
        {
            if (result.CompletedSynchronously)
            {
                return;
            }

            bool invokeCallback = false;

            MultipleAddressConnectAsyncResult context = (MultipleAddressConnectAsyncResult)result.AsyncState;
            try
            {
                invokeCallback = DoDnsCallback(result, context);
            }
            catch (Exception exception)
            {
                context.InvokeCallback(exception);
            }

            // Invoke the callback outside of the try block so we don't catch user exceptions.
            if (invokeCallback)
            {
                context.InvokeCallback();
            }
        }