public void AppLoaded()
{
Xinjie = new ThingetPLC();
ScanA = new Scan();
ScanB = new Scan();
ReadParameter();
ScanA.ini(ScanAPortCom);
ScanA.Connect();
ScanB.ini(ScanBPortCom);
ScanB.Connect();
dispatcherTimer.Tick += new EventHandler(DispatcherTimerAction);
dispatcherTimer.Interval = new TimeSpan(0, 0, 1);
ReadRecordFromFile();
dispatcherTimer.Start();
}