private void btnFunctionSeries_Click(object sender, System.EventArgs e)
{
plotView1.Focus();
var xseries = new double[] { 1, 2, 3 };
var yseries1 = new double[] { 1, 2, 3 };
var yseries2 = new double[] { 0.5, 1, 1.5 };
var zseries3 = new double[] { 1, 2, 3, 4, 5 };
var plotModel = new PlotModel { Title = "BarSeries" };
plotModel.AddScatterSeries(xseries, yseries1, OxyColors.Red);
plotModel.AddHighlightedPoint(2.5, 2.5, OxyColors.Blue);
plotModel.AddLineSeries(xseries, yseries2);
plotModel.AddLineSeries(xseries, zseries3);
plotModel.Series.Add(new FunctionSeries(Math.Cos, 0, 10, 0.1, "cos(x)"));
plotView1.Model = plotModel;
configurarPlotModel(plotModel);
}