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

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

            var data = new ChartData
            {
                Title      = "Test portfolio",
                Copyright  = "Testfirma",
                XLabelText = "Anlageklassen",
                YLabelText = "Anteil in %",


                FileName  = fileName,
                ChartType = ChartType.ColumnChart,
            };

            TestHelper.LoadDefaultChartStyle(data, HighResolution);
            TestDataHelper.BarChartSample(UseDatabase, data);

            data.ChartStyle.YAxisNumberformat = "0.00";

            var x = new ChartHandler
            {
                ChartData = data
            };

            x.Export();

            TestHelper.StartFile(fileName);
        }