System.Net.WebHeaderCollection.ThrowOnRestrictedHeader C# (CSharp) Метод

        internal void ThrowOnRestrictedHeader(string headerName)
        {
            if (_type == WebHeaderCollectionType.HttpWebRequest)
            {
                if (HeaderInfo[headerName].IsRequestRestricted)
                {
                    throw new ArgumentException(string.Format(SR.net_headerrestrict, headerName), nameof(headerName));
                }
            }
            else if (_type == WebHeaderCollectionType.HttpListenerResponse)
            {
                if (HeaderInfo[headerName].IsResponseRestricted)
                {
                    throw new ArgumentException(string.Format(SR.net_headerrestrict, headerName), nameof(headerName));
                }
            }
        }