Sine Curve : Curve : Graphics C# Source Code

    
 


using System;
using System.Drawing;
using System.Windows.Forms;
   
class SineCurve: Form
{
     public static void Main()
     {
          Application.Run(new SineCurve());
     }
     public SineCurve()
     {
          Text = "Sine Curve";
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          PointF[] aptf = new PointF[cx];
   
          for (int i = 0; i < cx; i++)
          {
               aptf[i].X = i;
               aptf[i].Y = cy / 2 * (1 -(float) 
                                   Math.Sin(i * 2 * Math.PI / (cx - 1)));
          }
          grfx.DrawLines(new Pen(clr), aptf);
     }
}