/*★ 三角形を描画する 前田 稔 ★*/
using System;
using System.Drawing;
using System.Windows.Forms;
public class MyForm : Form
{
public MyForm()
{
}
protected override void OnPaint(PaintEventArgs e)
{ Pen red,yellow,green,blue;
base.OnPaint(e);
Graphics g = e.Graphics;
red = new Pen(Color.Red);
yellow = new Pen(Color.Yellow);
green = new Pen(Color.Green);
blue = new Pen(Color.Blue);
for (int i = 0; i < 100; i++)
{
g.DrawLine(red, 160, i + 30, i + 160, i + 30);
g.DrawLine(yellow, 160, i + 130, 259 - i, i + 130);
g.DrawLine(green, 99 - i + 60, i + 30, 159, i + 30);
g.DrawLine(blue, 60 + i, i + 130, 159, i + 130);
}
}
}
class draw
{
public static void Main()
{
MyForm mf = new MyForm();
Application.Run(mf);
}
}
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