محرر و مترجم أكواد أون لاين لـ 15 لغة برمجة مختلفة من شركة ليندا

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Computer_Graghic_Project
{
    public partial class Circle : Form
    {
        public Circle()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Bitmap pb3 = new Bitmap(pictureBox1.Width, pictureBox1.Height);
            dataGridView1.Rows.Clear();
            dataGridView1.ColumnCount = 4;
            dataGridView1.Columns[0].Name = "k";
            dataGridView1.Columns[1].Name = "p1k";
            dataGridView1.Columns[2].Name = "xk+1";
            dataGridView1.Columns[3].Name = "yk+1";
            int xcenter = pictureBox1.Width / 2;
            int ycenter = pictureBox1.Height / 2;
            int r = int.Parse(textBox1.Text);
            int x = r, y = 0;
            int p0 = 1 - r;
            int P = p0;
            dataGridView1.Rows.Add(0, P, x, y);
            int c = 1;
            while (x > y)
            {
                pb3.SetPixel(xcenter + x, ycenter + y, Color.Red);
                pb3.SetPixel(xcenter - x, ycenter + y, Color.Red);
                pb3.SetPixel(xcenter + x, ycenter - y, Color.Red);
                pb3.SetPixel(xcenter - x, ycenter - y, Color.Red);
                pb3.SetPixel(xcenter + y, ycenter + x, Color.Red);
                pb3.SetPixel(xcenter - y, ycenter + x, Color.Red);
                pb3.SetPixel(xcenter + y, ycenter - x, Color.Red);
                pb3.SetPixel(xcenter - y, ycenter - x, Color.Red);
                if (P <= 0)
                {
                    y++;
                    P = P + 2 * (y + 1) + 1;
                    dataGridView1.Rows.Add(c, P, x, y);
                }
                else
                {
                    x--;
                    y++;
                    P = P + 2 * (y + 1) - 2 * (x - 1) + 1;
                    dataGridView1.Rows.Add(c, P, x, y);
                }

            }
            pictureBox1.Image = pb3;
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            Form1 f4 = new Form1();
            this.Hide();
            f4.Show();
        }
    }
}