Steema Central

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        private void InitializeChart()
        {
            tChart1.Aspect.View3D = false;

            Steema.TeeChart.Styles.Area area1 = new Steema.TeeChart.Styles.Area(tChart1.Chart);
            area1.FillSampleValues();

            Steema.TeeChart.Styles.Line line1 = new Steema.TeeChart.Styles.Line(tChart1.Chart);
            Steema.TeeChart.Functions.TrendFunction trend1 = new Steema.TeeChart.Functions.TrendFunction();
            line1.Function = trend1;
            line1.DataSource = area1;
            line1.Pointer.Visible = true;
            line1.GetPointerStyle += new Steema.TeeChart.Styles.CustomPoint.GetPointerStyleEventHandler(line1_GetPointerStyle);
        }

        void line1_GetPointerStyle(Steema.TeeChart.Styles.CustomPoint series, Steema.TeeChart.Styles.GetPointerStyleEventArgs e)
        {
            if (e.ValueIndex == series.Count-1) e.Color = Color.Red;
        }