public void CreatePlot()
{
//PlotModel = new PlotModel { Title = "AreaSeries with crossing lines" };
LineSeriesOne.Points.Clear();
LineSeriesOne.Points.Add(new DataPoint(0, 0));
LineSeriesOne.Points.Add(new DataPoint(10, 20));
LineSeriesOne.Points.Add(new DataPoint(30, 1));
LineSeriesOne.Points.Add(new DataPoint(40, 12));
myViewModel.AddToPlot(LineSeriesOne);
}