WFRuntime.WorkflowCompleted += new EventHandler<WorkflowCompletedEventArgs>(OnWorkflowCompleted);
WFRuntime.WorkflowAborted += new EventHandler<WorkflowEventArgs>(OnWorkflowAborted);
WFRuntime.WorkflowTerminated += new EventHandler<WorkflowTerminatedEventArgs>(OnWorkflowTerminated);
WFRuntime.WorkflowPersisted += new EventHandler<WorkflowEventArgs>(OnWorkflowPersisted);