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); } } [/csharp]