private void DealDataChange(EventArgs e) { IDataServer service = IOCService.Instance.QueryService("DATA_SERVICE") as IDataServer; var data = service.GetData(); CityName = data.CityName; PM25 = data.Pm25.ToString("0.00"); if (data.Status == PM25Status.NORMAL) { StatusColor = "GREEN"; } else { StatusColor = "RED"; } }