public static string rangeMarkersTest() { float[] fdata = new float[] { 10, 30, 75, 40, 15 }; LineChart chart = new LineChart(250, 150); chart.SetTitle("Range markers test"); chart.SetData(fdata); chart.AddAxis(new ChartAxis(ChartAxisType.Left)); chart.AddAxis(new ChartAxis(ChartAxisType.Bottom)); chart.AddRangeMarker(new RangeMarker(RangeMarkerType.Horizontal, "EFEFEF", 0.2, 0.7)); chart.AddRangeMarker(new RangeMarker(RangeMarkerType.Vertical, "CCCCCC", 0.4, 0.6)); return chart.GetUrl(); }