Example3_4.ChartStyle.AddChartStyle C# (CSharp) Method

        public void AddChartStyle(Graphics g)
        {
            // Draw ChartArea and PlotArea:
            Pen aPen = new Pen(ChartBorderColor, 1f);
            SolidBrush aBrush = new SolidBrush(ChartBackColor);
            g.FillRectangle(aBrush, ChartArea);
            g.DrawRectangle(aPen, ChartArea);
            aPen = new Pen(PlotBorderColor, 1f);
            aBrush = new SolidBrush(PlotBackColor);
            g.FillRectangle(aBrush, PlotArea);
            g.DrawRectangle(aPen, PlotArea);

            SizeF tickFontSize = g.MeasureString("A", TickFont);
            // Create vertical gridlines:
            float fX, fY;
            if (IsYGrid == true)
            {
                aPen = new Pen(GridColor, 1f);
                aPen.DashStyle = GridPattern;
                for (fX = XLimMin + XTick; fX < XLimMax; fX += XTick)
                {
                    g.DrawLine(aPen, Point2D(new PointF(fX, YLimMin)),
                        Point2D(new PointF(fX, YLimMax)));
                }
            }

            // Create horizontal gridlines:
            if (IsXGrid == true)
            {
                aPen = new Pen(GridColor, 1f);
                aPen.DashStyle = GridPattern;
                for (fY = YLimMin + YTick; fY < YLimMax; fY += YTick)
                {
                    g.DrawLine(aPen, Point2D(new PointF(XLimMin, fY)),
                        Point2D(new PointF(XLimMax, fY)));
                }
            }

            // Create the x-axis tick marks:
            aBrush = new SolidBrush(TickFontColor);
            for (fX = XLimMin; fX <= XLimMax; fX += XTick)
            {
                PointF yAxisPoint = Point2D(new PointF(fX, YLimMin));
                g.DrawLine(Pens.Black, yAxisPoint, new PointF(yAxisPoint.X,
                                   yAxisPoint.Y - 5f));
                StringFormat sFormat = new StringFormat();
                sFormat.Alignment = StringAlignment.Far;
                SizeF sizeXTick = g.MeasureString(fX.ToString(), TickFont);
                g.DrawString(fX.ToString(), TickFont, aBrush,
                    new PointF(yAxisPoint.X + sizeXTick.Width / 2,
                    yAxisPoint.Y + 4f), sFormat);
            }

            // Create the y-axis tick marks:
            for (fY = YLimMin; fY <= YLimMax; fY += YTick)
            {
                PointF xAxisPoint = Point2D(new PointF(XLimMin, fY));
                g.DrawLine(Pens.Black, xAxisPoint,
                    new PointF(xAxisPoint.X + 5f, xAxisPoint.Y));
                StringFormat sFormat = new StringFormat();
                sFormat.Alignment = StringAlignment.Far;
                g.DrawString(fY.ToString(), TickFont, aBrush,
                    new PointF(xAxisPoint.X - 3f,
                    xAxisPoint.Y - tickFontSize.Height / 2), sFormat);
            }
            aPen.Dispose();
            aBrush.Dispose();
            AddLabels(g);
        }

        public override void DrawRect(CGRect dirtyRect)
        {
            var g = Graphics.FromCurrentContext();

            g.Clear(backColor);

            cs.ChartArea = this.ClientRectangle;
            AddData();
            SetPlotArea(g);
            cs.AddChartStyle(g);
            dc.AddLines(g, cs);
            lg.AddLegend(g, dc, cs);
            g.Dispose();
        }