Meyn.TestLink.TestLink.addTestCaseToTestPlan C# (CSharp) Method

        public int addTestCaseToTestPlan(int testprojectid, int testplanid, string testcaseexternalid, int version, int platformid = 0)
        {
            object o = null;
            stateIsValid();
            if (platformid == 0)
                o = proxy.addTestCaseToTestPlan(devkey, testprojectid, testplanid, testcaseexternalid, version);
            else
                o = proxy.addTestCaseToTestPlan(devkey, testprojectid, testplanid, testcaseexternalid, version, platformid);

            handleErrorMessage(o);
            if (o is XmlRpcStruct) {
                XmlRpcStruct data = o as XmlRpcStruct;
                if ((data != null) && (data.ContainsKey("feature_id"))) {
                    string val = (string)data["feature_id"];
                    int result;
                    bool good = int.TryParse(val, out result);
                    if (good)
                        return result;

                }
            }
            return 0;
        }
        /// <summary>

        /// <summary>
        /// get a test case id. If the test case does not exist then create one
        /// </summary>
        /// <param name="testName"></param>
        /// <param name="testSuiteId"></param>
        /// <param name="authorId"></param>
        /// <param name="projectId"></param>
        /// <returns>a valid test case id or 0 in case of failure</returns>
        private int getTestCaseId(string testName, int testSuiteId, string authorId, int projectId, int testPlanId)
        {
            int TCaseId = getTestCaseByName(testName, testSuiteId);

            if (TCaseId == 0)
            {
                // need to create test case
                GeneralResult result = proxy.CreateTestCase(authorId, testSuiteId, testName, projectId,
                                                            "Automated TestCase", "", 0,
                                                            true, ActionOnDuplicatedName.Block, 2, 2);
                TCaseId = result.additionalInfo.id;
                int tcExternalId = result.additionalInfo.external_id;
                if (result.status == false)
                {
                    Console.Error.WriteLine("Failed to create TestCase for {0}", testName);
                    Console.Error.WriteLine(" Reason {0}", result.message);
                    return(0);
                }
                string externalId = string.Format("{0}-{1}", currentProject.prefix, tcExternalId);
                int    featureId  = proxy.addTestCaseToTestPlan(currentProject.id, testPlanId, externalId, result.additionalInfo.version_number);
                if (featureId == 0)
                {
                    Console.Error.WriteLine("Failed to assign TestCase {0} to testplan", testName);
                    return(0);
                }
            }
            return(TCaseId);
        }