C# ２二次関数 – テックメモ

using System;
using System.Drawing;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Graphics g = CreateGraphics();
            Pen p = new Pen(Color.Black, 5);//線幅
            
            for (int x = 10; x <= 30; x++)
            {
                g.DrawEllipse(p, x * 10, (int)Math.Pow(20-x,2), 5, 5);//x,y,width,height
            }
        }
    }
}

using System;

using System.Drawing;

using System.Windows.Forms;

namespace WindowsFormsApplication1

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

Graphics g = CreateGraphics();

Pen p = new Pen(Color.Black, 5);//線幅

for (int x = 10; x <= 30; x++)

{

g.DrawEllipse(p, x * 10, (int)Math.Pow(20-x,2), 5, 5);//x,y,width,height

}