using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
class Clover: Form
{
public static void Main()
{
Application.Run(new Clover());
}
public Clover()
{
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)
{
GraphicsPath path = new GraphicsPath();
path.AddEllipse(0, cy / 3, cx / 2, cy / 3); // Left
grfx.SetClip(path);
grfx.TranslateTransform(cx / 2, cy / 2);
Pen pen = new Pen(clr);
float fRadius = (float) Math.Sqrt(Math.Pow(cx / 2, 2) +
Math.Pow(cy / 2, 2));
for (float fAngle = 0; fAngle < (float) Math.PI * 2;
fAngle += (float) Math.PI / 180)
{
grfx.DrawLine(pen, 0, 0, fRadius * (float) Math.Cos(fAngle),
-fRadius * (float) Math.Sin(fAngle));
}
}
}
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