public void TestLineChart()
        {
            const string fileName = @"d:\temp\ScottPlott_LineChart.png";

            if (File.Exists(fileName))
            {
                File.Delete(fileName);
            }

            var data = new ChartData
            {
                Title      = "Test portfolio",
                Copyright  = "Testfirma",
                XLabelText = "Anlageklassen",
                YLabelText = "Anteilwert",
                FileName   = fileName,
                ChartType  = ChartType.LineChart,
                //PaperColor = Color.Red
            };

            TestHelper.LoadDefaultChartStyle(data, HighResolution);

            TestDataHelper.ChartSample(UseDatabase, data);

            data.ChartStyle.XAxisNumberformat = "dd.MM.yyyy";

            data.PropertiesToUseForChart.Add("XValue");
            data.PropertiesToUseForChart.Add("YValue1");
            data.PropertiesToUseForChart.Add("YValue2");
            data.PropertiesToUseForChart.Add("YValue3");

            data.LabelsForSeries.Add("Aktien");
            data.LabelsForSeries.Add("Renten");
            data.LabelsForSeries.Add("Liquidität");

            var x = new ChartHandler
            {
                ChartData = data
            };

            x.Export();

            TestHelper.StartFile(fileName);
        }