System.Net.Http.HttpClient.CheckBaseAddress C# (CSharp) Method

        private static void CheckBaseAddress(Uri baseAddress, string parameterName)
        {
            if (baseAddress == null)
            {
                return; // It's OK to not have a base address specified.
            }

            if (!baseAddress.IsAbsoluteUri)
            {
                throw new ArgumentException(SR.net_http_client_absolute_baseaddress_required, parameterName);
            }

            if (!HttpUtilities.IsHttpUri(baseAddress))
            {
                throw new ArgumentException(SR.net_http_client_http_baseaddress_required, parameterName);
            }
        }