Winform the chart control to draw a shaded area

Let's take a look at the effect

Company power projects need to draw this kind of industrial chart, before colleagues with series draw a bit of trouble to calculate the starting point location, later I found that the chart control originally provided this shadow property, simple and convenient

Directly on the code

private void Initchart () {ChartArea chartArea2 = new ChartArea ();            ChartArea2.AxisX.Minimum = 10;            ChartArea2.AxisX.Maximum = 100;            ChartArea2.AxisX.Interval = 10;            ChartArea2.AxisX.IsStartedFromZero = true;            ChartArea2.AxisX.Title = "Primary X axis";            chartArea2.AxisX.Enabled = Axisenabled.true;             ChartArea2.AxisX.TitleAlignment = Stringalignment.near;            ChartArea2.AxisX.MajorGrid.LineColor = Color.brown;            ChartArea2.AxisX.MajorGrid.LineDashStyle = Chartdashstyle.solid;            ChartArea2.AxisY.Minimum = 10;            ChartArea2.AxisY.Maximum = 100;            ChartArea2.AxisY.Interval = 10;            ChartArea2.AxisY.IsStartedFromZero = false;            ChartArea2.AxisY.Title = "Primary Y-axis";            chartArea2.AxisX.Enabled = Axisenabled.true;            Chartarea2.name = "CHARTAREA2";             Series M1 = new series (); M1.            POINTS.ADDXY (0, 100);M1.            POINTS.ADDXY (85, 100); M1.            ChartType = Seriescharttype.area; M1.            Color = color.red; M1.            Backhatchstyle = charthatchstyle.darkdownwarddiagonal;            Series m2 = new series (); M2.            POINTS.ADDXY (10, 30); M2.            POINTS.ADDXY (35, 55); M2.            POINTS.ADDXY (65, 55); M2.            POINTS.ADDXY (85, 65); M2.            ChartType = Seriescharttype.line; M2.              Color = Color.Blue; M2.             BorderWidth = 2;            Series M5 = new series (); M5.            POINTS.ADDXY (10, 30); M5.            POINTS.ADDXY (35, 55); M5.            POINTS.ADDXY (65, 55); M5.            POINTS.ADDXY (85, 65); M5.            ChartType = Seriescharttype.area; M5.            Color = Color.purple; M5.            Backhatchstyle = charthatchstyle.darkdownwarddiagonal;            Series M6 = new series (); M6.            POINTS.ADDXY (10, 20); M6.            POINTS.ADDXY (35, 45); M6.            POINTS.ADDXY (65, 45); M6.            POINTS.ADDXY (85, 55); M6.ChartType = Seriescharttype.line; M6.            Color = Color.Blue; M6.             BorderWidth = 2;            Series M3 = new series (); M3.            POINTS.ADDXY (10, 20); M3.            POINTS.ADDXY (35, 45); M3.            POINTS.ADDXY (65, 45); M3.            POINTS.ADDXY (85, 55); M3.            ChartType = Seriescharttype.area; M3.            Color = Color.green; M3.                        Backhatchstyle = charthatchstyle.darkdownwarddiagonal;            THIS.CHART1.SERIES.ADD (M1);             This.chart1.Series.Add (m2);            THIS.CHART1.SERIES.ADD (M5);             THIS.CHART1.SERIES.ADD (M6);                         This.chart1.Series.Add (m3);         THIS.CHART1.CHARTAREAS.ADD (CHARTAREA2); }

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Winform the chart control to draw a shaded area