public MainWindow()
    {
        Loaded += (sender, args) => SetupGraph();
        InitializeComponent();
    }

    private void SetupGraph()
    {
        Data = new ObservableDataSource<DataPoint>(new List<DataPoint> {new DataPoint(DataType.Ai0, 0) });

        Data.SetYMapping(y => y.Value);
        if(dateAxis == null)
            Console.WriteLine("dateAxis");

        Data.SetXMapping(x => dateAxis.ConvertToDouble(x.Date));
        plotter.AddLineGraph(Data, Colors.Green, 2, "Volt");
    }