public static KeyValue[] GetActivityInstStatus(string piID)
        {
            IWFWorkflowService svc = Common.GetWorkFlowAPI();
            string             processInstanceID = piID;// for example, "02C3FA88ADE04750A34B5B3168C25793";

            KeyValue[] resultList = null;
            try
            {
                resultList = svc.GetActivityInstStatus(processInstanceID);
            }
            catch (Exception ex)
            {
            }
            return(resultList);
        }