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 WindowsFormsApp3
{
    public partial class График : Form
    {
        public График()
        {
            InitializeComponent();
            Draw();
        }
        private void Draw()
        {
            double y = 0;
            double x = 0;
            float X;
            float Y;
            Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics graph = Graphics.FromImage(bmp);
            Pen pen = new Pen(Color.Black);
            pictureBox1.Image = bmp;
            int xc = pictureBox1.Width / 2;
            int yc = pictureBox1.Height / 2;
            graph.DrawLine(pen, pictureBox1.Width / 2, 0, pictureBox1.Width / 2, pictureBox1.Height);
            graph.DrawLine(pen, 0, pictureBox1.Height / 2, pictureBox1.Width, pictureBox1.Height / 2);
            graph.TranslateTransform(xc, yc);
            for (x = -(Math.PI*5); x <= Math.PI*5; x = x + 0.1)
            {
                y = Math.Sin(x);
                X = (float)x*10;
                Y = (float)y*10;
                graph.DrawEllipse(pen, X, Y, 1, 1);
            }
        }





        }


    }