PayPal.SOAP.MerchantAPICallPreHandler.MerchantAPICallPreHandler C# (CSharp) Method

        public MerchantAPICallPreHandler(Dictionary<string, string> config, IAPICallPreHandler apiCallHandler, string apiUserName, string accessToken, string tokenSecret)
            : this(apiCallHandler, config)
        {
            try
            {
                this.apiUserName = apiUserName;
                this.accessToken = accessToken;
                this.tokenSecret = tokenSecret;
                InitCredential();
            }
            catch(System.Exception ex)
            {
                throw ex;
            }
        }