我需要在事件系统中获取与Activity关联的组件.
我尝试使用以下方法获取组件ID:
public void OnActivityInstanceFinishPost(ActivityInstance activityInstance, string finishMessage, string nextActivity, string dynamicAssignee)
{
if (activityInstance.ProcessInstance.ProcessDefinition.Title.Equals("Component Process IESE"))
{
if (activityInstance.ActivityDefinition.Title.Equals("Create or Edit Component"))
{
WFE workflow = tdse.GetWFE();
try
{
Component comp = (Component)activityInstance.ProcessInstance.Item;
XMLReadFilter filter = new XMLReadFilter();
String processHistoryId = activityInstance.ProcessInstance.ID.Replace("131076", "131080");
ProcessHistory hist = (ProcessHistory)tdse.GetObject(activityInstance.ProcessInstance.ID, EnumOpenMode.OpenModeView, Constants.URINULL, filter);
}
catch (Exception e)
{ }
}
}
}
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我们尝试不同的选择:
Component comp = (Component)activityInstance.ProcessInstance.Item;
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但是此解决方案返回null.
然后我在网上找到了下一个解决方案:
XMLReadFilter filter = new XMLReadFilter();
String processHistoryId = activityInstance.ProcessInstance.ID.Replace("131076", "131080");
ProcessHistory hist = (ProcessHistory)tdse.GetObject(activityInstance.ProcessInstance.ID, EnumOpenMode.OpenModeView, Constants.URINULL, filter);
Component comp = hist.Item as Component;
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但ProcessHistory对象为null.
如何确定与activityInstance关联的组件?
谢谢.
在回顾了Guskermitt所需的功能后,我向他展示了一种更简洁的方式来完成他需要做的事情.简而言之,在这种情况下不需要EventSystem.
他的目标是在组件获得批准后发送电子邮件,方法如下:
2#
[ProgId("WfHelper")]
[ComVisible(true)]
public class Helper
{
public void SendMail(string workItemId)
{
var session = new Session();
.
.
.
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4#
dim helper
set helper = CreateObject("WfHelper")
call helper.SendMail(CurrentWorkItem.ID)
set helper = nothing
FinishActivity “Email has been sent"
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