public TemperatureHistoryWindowViewModel(IDataBaseConnector dataBaseConnector, IEventAggregator eventAggregator) : base(dataBaseConnector, eventAggregator)
{
Measurements = new ObservableCollection <TemperatureMeasurement>();
dataBaseConnector.GetSavedMeasurements().ForEach(m => Measurements.Add((TemperatureMeasurement)m));
eventAggregator.GetEvent <TemperatureSaved>().Subscribe(NewTemperature);
}