private static void Host_RefreshOperation(object sender, Chromium.Remote.Event.CfrV8HandlerExecuteEventArgs e) { //刷新操作 CardManager.CardInfos.Clear(); byte[] bys; try { bys = PortAgreement.ReadAllCard(); bool ret = SerialPortManager.WriteSerialPortData(SerialPortManager.Device1, bys); if (ret) { ReceivedManager.SetReceivedFunction <CardRefresh>(); } e.SetReturnValue(ret); } catch (Exception ex) { Log4Helper.ErrorInfo(ex.Message, ex); ViewCallFunction.ViewAlert(ex.Message); } finally { bys = null; } }