/// <summary>
/// 绑定工作流生命周期
/// </summary>
/// <param name="Frm">工作流挂载窗体</param>
/// <param name="Instance">工作流实例</param>
/// <param name="StoreSource">持久化数据库</param>
public static void BindLifeCycle(Frm_BaseFlow Frm, WorkflowApplication Instance, SqlWorkflowInstanceStore StoreSource = null)
{
if (StoreSource != null)
{
Frm.Instance.InstanceStore = StoreSource;
}
Instance.Completed = Frm.Completed;
Instance.OnUnhandledException = Frm.OnUnhandledException;
Instance.Unloaded = Frm.Unloaded;
Instance.Aborted = Frm.Aborted;
Instance.Idle = Frm.Idle;
Instance.PersistableIdle = Frm.PersistableIdle;
Frm.Show();
}
/// <summary>
/// (从数据库中)恢复工作流
/// </summary>
/// <param name="ActivityType">工作流类型</param>
/// <param name="WorkFlowID">要恢复的工作流ID</param>
/// <param name="BookName">恢复的书签节点</param>
/// <param name="Value">传入的值</param>
public static RecoveryFlowState AwakenWorkFlow(Type ActivityType, Guid WorkFlowID, string BookName, object Value, Frm_BaseFlow Frm)
{
WorkflowApplication Instance = new WorkflowApplication((Activity)Activator.CreateInstance(ActivityType));
Instance.InstanceStore = new SqlWorkflowInstanceStore("Data Source=.;Initial Catalog=MyOA;Integrated Security=True");
BindLifeCycle(Frm, Instance);
try
{
Instance.Load(WorkFlowID);
Instance.ResumeBookmark(BookName, Value);
}
catch (Exception ex)
{
if (ex.Message.IndexOf("尚未保留到实例存储区") > 0)
{
return(RecoveryFlowState.NoSaveInstance);
}
if (ex.Message.IndexOf("其他实例所有者锁定了实例") > 0)
{
return(RecoveryFlowState.OthersInUse);
}
}
return(RecoveryFlowState.Done);
}
