/// <summary> /// 获取应该程序列表 /// </summary> /// <param name="callback">获取结果回调函数</param> public void GetApps(Action <ObservableCollection <QLApp> > callback) { apps.Clear(); appCallBack = callback; var errno = PlcmProxy.GetApplicationInfo(); if (ErrorNumber.OK != errno) { throw new Exception("获取信号流信息失败,errno=" + errno); } }