protected override void Execute(CodeActivityContext executionContext)
        {
            ITracingService tracer = executionContext.GetExtension <ITracingService>();

            try
            {
                string stringToMeasure = StringToMeasure.Get(executionContext);

                int stringLength = stringToMeasure.Length;

                StringLength.Set(executionContext, stringLength);
            }
            catch (Exception ex)
            {
                tracer.Trace("Exception: {0}", ex.ToString());
            }
        }
        protected override void ExecuteCrmWorkFlowActivity(CodeActivityContext context, LocalWorkflowContext localContext)
        {
            if (context == null)
            {
                throw new ArgumentNullException(nameof(context));
            }
            if (localContext == null)
            {
                throw new ArgumentNullException(nameof(localContext));
            }

            string stringToMeasure = StringToMeasure.Get(context);

            if (string.IsNullOrEmpty(stringToMeasure))
            {
                StringLength.Set(context, 0);
                return;
            }

            int stringLength = stringToMeasure.Length;

            StringLength.Set(context, stringLength);
        }