深入淺出SharePoint——取消Workflow執行個體

取消正在執行的Workflow instance。以下代碼以properties來自EventReceiver中的上下文。

SPSecurity.RunWithElevatedPrivileges(delegate()<br />{<br />using (SPSite site = new SPSite(properties.SiteId))<br /> {<br />using (SPWeb web = site.OpenWeb(properties.RelativeWebUrl))<br /> {<br /> SPWorkflowManager manager = site.WorkflowManager;<br /> SPListItem item = web.Lists[properties.ListTitle].GetItemById(properties.ListItemId);<br />foreach (SPWorkflow workflow in manager.GetItemActiveWorkflows(item))<br /> {<br /> foreach (SPWorkflowTask t in workflow.Tasks)<br /> {<br /> t["Status"] = "Canceled";<br /> t.Update();<br /> }<br /> SPWorkflowManager.CancelWorkflow(workflow);<br /> }<br /> }<br /> }<br />});