C # Display Line chart

parameter is an array, which is the specific data for the line chart, and can be entered at 40 points,

And then it shows up on the PictureBox1,

Display Line chart method,//choose=1 display in Pic_focus; choose=0 Display in pic_nervous public void broken_line (params int [] D) {//painting
            Figure initialization Bitmap Bmap = new Bitmap (1600, MB);//150 Graphics = gph graphics.fromimage (BMAP); Gph.

            Clear (Color.White); PointF CPT = new PointF (40, 90);//center point 40,120 pointf[] XPT = new Pointf[3] {new PointF (CPT). Y +, Cpt. Y), New PointF (CPT. Y, Cpt. Y-8), New PointF (CPT. Y, Cpt. Y + 8)};//x Axis triangle pointf[] Ypt = new Pointf[3] {new PointF (CPT). X, Cpt. X-15), New PointF (CPT. X-8, Cpt. X), New PointF (CPT. X + 8, Cpt. X)};//y Axis triangle//gph. DrawString ("A product monthly production chart for a Factory", New Font ("XXFarEastFont-Arial"), Brushes.black, New PointF (CPT). X+60, Cpt. x));//Chart title//x axis GPH. DrawLine (Pens.black, Cpt. X, Cpt. Y, Cpt. y+600, Cpt.
            Y); Do not draw the arrow, so the following two lines to remove GPH. DrawString ("Time", New Font ("XXFarEastFont-Arial"), Brushes.black, New PointF (CPT). Y + 10+1000Cpt.

            Y + 10)); Draw Y-axis gph. DrawLine (Pens.black, Cpt. X, Cpt. Y, Cpt.
            
            X, 10);
                for (int i = 1; I <= i++)//Originally here 12 {//Draw Y axis scale if (I < 11)/originally this is 11 {gph. DrawString ((i * 10). ToString (), New Font ("Song Body", 8), Brushes.black, New PointF (CPT). X-30, Cpt.
                    Y-i * 8-6)); Gph. DrawLine (Pens.black, Cpt. X-3, Cpt. Y-i * 8, Cpt. X, Cpt. Y-i * 8),//tick 1 small Horizontal}//Draw 3 demarcation line (own written) gph. DrawLine (Pens.black, Cpt. X, Cpt. Y-4 * 8, Cpt. Y + 1120, Cpt.
                Y-4 * 8); Gph. DrawLine (Pens.black, Cpt. X, Cpt. Y-7 * 8, Cpt. Y + 1120, Cpt.
                Y-7 * 8); Gph. DrawLine (Pens.black, Cpt. X, Cpt. y-10* 8, Cpt. Y + 1120, Cpt.

                y-10* 8); Draw the X-axis item/point GPH. DrawEllipse (Pens.black, Cpt. X + i * 30-1.5f, Cpt. Y-D[I-1] * 0.8f-1.5f, 3, 3); Gph. FillEllipse (New SolidBrush (Color.Black), Cpt. X + i * 30-1.5f, Cpt.
                Y-D[I-1] * 0.8f-1.5f, 3, 3); Draw the value if (d[i-1]!=0) gph. DrawString (D[i-1]. ToString (), New Font ("XXFarEastFont-Arial"), Brushes.black, New PointF (CPT). X + i *, Cpt.
                Y-D[I-1] * 0.8f)); Pp.
                Image = Bmap;
                Return Draw a line if (i > 1) gph. DrawLine (pens.red, Cpt. X + (i-1) *, Cpt. Y-D[I-2] * 0.8f, Cpt. X + i *, Cpt.
            Y-D[I-1] * 0.8f); ///Save output Picture//bmap.
             Save (Response.outputstream, imageformat.gif); picturebox1.
        Image = Bmap; }