// DocumentNOW V2 Cancel example  // force TLS 1.2 if .net < 4.6 ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12; 	 Guid accountContextID = new Guid(<fromYourAccount>); Guid documentID = new Guid(<savedFromYourSubmission>); Guid authToken = new Guid(<savedFromYourSubmission>);  // assuming we set the namespace on the service proxy to DocNow ... DocNow.CancelServiceClient client = new DocNow.CancelServiceClient(); DocNow.DocumentCancellation cancellation = new DocNow.DocumentCancellation();  cancellation.Id = documentID;             cancellation.AuthToken = authToken; cancellation.ContextIdentifier = accountContextID; cancellation.Remarks = "Revised terms : requires new contract";  DocNow.DocumentCancellationResult[] cancelresults = client.Cancel(new DocNow.DocumentCancellation[] { cancellation });  if (cancelresults.Length > 0) {     if (cancelresults[0].Exceptions != null)     {         StringBuilder sb = new StringBuilder();         foreach (DocNow.CancellationException exception in cancelresults[0].Exceptions)         {             sb.AppendFormat("{0} : {1}{2}", exception.Severity.ToString(), exception.Value, Environment.NewLine);         }         Console.WriteLine(sb.ToString());     }     else     {         Console.WriteLine(cancelresults[0].Success);     } }