Update Process Instance

// This is console application sample to update process instance name
IWFWorkflowService svc = GetWorkflowService();
string processInstanceID = … // process instance ID
string newProccessInstanceName = "[new process instance name]";
DateTime newDueDate = DateTime.Now.AddDays(7.0);

try
	{
    WFBaseProcessInstance inst = svc.GetProcInst(processInstanceID);
    NameValue[] processInstanceAttributes = new NameValue[]
        {
       new NameValue("ProcInstName", newProccessInstanceName),
       new NameValue("DueDate", newDueDate)),
        };
  
    // update process instance
    svc.UpdateProcInst(processInstanceID, processInstanceAttributes);

    // check if it has been updated.
    string processInstanceName =
    svc.GetProcInst(processInstanceID).ProcInstName;
    Console.WriteLine("New Process Instance Name= '{0}",
    processInstanceName);
	}

catch (Exception ex)
	{
    Console.WriteLine("Failed! " + ShUtil.GetSoapMessage(ex));
	}