AllegroGraphCSharpClient.Repository.getSize C# (CSharp) Method

        public long getSize(string Context, string url)
        {
            try
            {

                List<NameValuePairs> np = new List<NameValuePairs>();
                NameValuePairs nvp = new NameValuePairs();
                nvp.Name =  "context";
                nvp.Value = Context;
                np.Add(nvp);

                if(url == string.Empty) {
                  List<Results> results = new List<Results>();
                  results = this.StandardRequest("GET", this._url+"/size",np,null);
                  return (long)results[0].Result;
                }
                else{
                    List<Results> results = new List<Results>();
                    results = this.StandardRequest("GET", url + "/size",np,null);
                    return (long)results[0].Result;
                }
            }
            catch (Exception)
            {

                throw;
            }
        }