流程业务数据交互开发接口：

  EpowerCom.Message类
  void AddFlow (long, long, long, string, long, long, long, long, string, string, string, string, long,         EpowerGlobal.e_FlowJoinType, int, int, long)

  新增流程时的发送处理接口
  void SendFlow (long, long, long, EpowerGlobal.e_SpecRightType, long, long, long, string, string, string, string, int, int)

  暂存流程接口
  long SaveFlow (long, long, long, string, long, long, string, string, string, bool, long, EpowerGlobal.e_FlowJoinType)

  流程退回接口
  void SendBackFlow (long, long, long, string, string, int, int)

  消息回收操作接口
  void TakeBackFlow (long, long)

  删除流程(流程已经起草,但后续人员未处理过可以删除)接口
  void DeleteFlow (long, long)

  无条件删除流程接口
  void AdminDeleteFlow (long, long, string)

  自动结束当前流程接口
  void AutoStopFlow (long, long)

  更多开发接口
  ........