public static void Initialize(bool initOAuth,
                                      Stream configStream,
                                      Dictionary <string, string> configData)
        {
            Assembly assembly = Assembly.GetAssembly(typeof(ZCRMConfigUtil));

            //ConfigProperties =
            //    CommonUtil.GetFileAsDict(
            //        assembly.GetManifestResourceStream(assembly.GetName().Name + ".Resources.configuration.txt"));


            // Stream st = new Stream;

            ConfigProperties =
                CommonUtil.GetFileAsDict(File.Open(@"D:\Github\configuration.txt", FileMode.Open));



            if (configStream == null && configData == null)
            {
                Dictionary <string, string> keyValuePairs = CommonUtil.GetConfigFileAsDict("zcrm_configuration");

                foreach (KeyValuePair <string, string> keyValues in keyValuePairs)
                {
                    ConfigProperties[keyValues.Key] = keyValues.Value;
                }
            }
            if (configStream != null)
            {
                configData   = CommonUtil.GetFileAsDict(configStream);
                configStream = null;
            }
            if (configData != null)
            {
                AddConfigurationData(configData);
            }
            ZCRMLogger.Init();

            if (initOAuth)
            {
                HandleAuthentication = true;
                try
                {
                    ZohoOAuth.Initialize(ConfigProperties.ContainsKey(APIConstants.DOMAIN_SUFFIX) ? (string)ConfigProperties[APIConstants.DOMAIN_SUFFIX] : null, configData);
                    if (ConfigProperties.ContainsKey(APIConstants.DOMAIN_SUFFIX))
                    {
                        SetAPIBaseUrl(ConfigProperties[APIConstants.DOMAIN_SUFFIX]);
                    }
                }
                catch (Exception e)
                {
                    throw new ZCRMException(e);
                }
            }
            ZCRMLogger.LogInfo("C# Client Library Configuration Properties : " + CommonUtil.DictToString(ConfigProperties));
        }