private static void DecorateSlideThree(PPT.Slide slide)
        {
            var columnsList = new string[] { "C#", "VB.Net", "Perl", "Python", "Java" };

            var series1 = new ChartSeries()
            {
                name       = "Blog Statistics",
                seriesData = new string[] { "8200", "3900", "890", "300", "3278" },
                seriesType = XlChartType.xl3DColumn
            };

            var chartData = new List <ChartSeries>()
            {
                series1
            };
            var chart = PptChartManager.CreateChart(XlChartType.xlColumnStacked, slide, columnsList, chartData);

            var chartTitle = new ChartTitle()
            {
                bold      = true,
                italic    = false,
                fontSize  = 40,
                titleText = "Users by Software Language",
                underline = false
            };

            PptChartManager.AddChartTitle(chart, chartTitle);
            SetSlideFooter(slide, 3);
        }