private BacktraceResult Send(Guid requestId, string json, List <string> attachments, BacktraceReport report, int deduplication = 0) { var requestUrl = _serverurl.ToString(); if (deduplication > 0) { requestUrl += $"&_mod_duplicate={deduplication}"; } var formData = FormDataHelper.GetFormData(json, attachments, requestId); string contentType = FormDataHelper.GetContentTypeWithBoundary(requestId); var request = WebRequest.Create(requestUrl) as HttpWebRequest; //Set up the request properties. request.Method = "POST"; request.ContentType = contentType; request.ContentLength = formData.Length; try { using (Stream requestStream = request.GetRequestStream()) { requestStream.Write(formData, 0, formData.Length); requestStream.Close(); } return(ReadServerResponse(request, report)); } catch (Exception exception) { OnServerError?.Invoke(exception); return(BacktraceResult.OnError(report, exception)); } #endif }