public static WFEvent CancelWorkItem(string wID)
        {
            IWFWorkflowService svc        = Common.GetWorkFlowAPI();
            string             workItemID = wID; //
            WFEvent            evt        = null;

            try
            {
                evt = svc.CancelWorkItem(wID);
            }
            catch (Exception ex)
            {
            }
            return(evt);
        }