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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        public void button1_Click(object sender, EventArgs e)
        {

            float a=0, b=0; //благоприятные события а и б
            float p1 = 0, p2 = 0,p3=0; //статистические вероятности
            int[] Sobyt = new int[201];
            Random rand = new Random();
            Font font = new Font("Arial", 7);
            int k = 0;
            int n = 0;
            int j;
            int z = 0;
            Point[] myPoint = new Point[20];
            Point[] g2Point = new Point[20];
            Point[] g3Point = new Point[20];


            for (int i = 1; i <= 200; i++)
            {
                Sobyt[i] = rand.Next(1, 12);
                listBox1.Items.Add(i + ")   " + Sobyt[i]);
                if ((Sobyt[i] == 1) || (Sobyt[i] == 2) || (Sobyt[i] == 7) || (Sobyt[i] == 8)) //благоприятное событие а
                {
                    a++;
                }
                if (i%10==0)
                {
                   listBox2.Items.Add(i + ")  " + a);
                   p1 = a /i ;
                   listBox4.Items.Add(i + ")  " + Math.Round(p1, 3));// частота события А
                   p1 = p1 * 100;
                   j = (Int32)p1;
                   myPoint[k] = new Point(i*(3), j*(-1)*(2));
                   k++;

                }
                if (Sobyt[i] < 7) // благоприятное событие б
                {
                    b++;
                }
                if (i%10==0)
                {
                   listBox3.Items.Add(i + ")  " + b);
                   p2 = b / i;
                   listBox5.Items.Add(i + ")  " + Math.Round(p2, 3));// частота события В
                   p2 = p2 * 100;
                   g2Point[n] = new Point(i*3 , (Int32)p2*(-2));
                   n++;
                   p3 = p1 / p2;
                   listBox6.Items.Add(i + ")  " + Math.Round(p3, 2));// частота события А/В
                   p3 = p3 * 100;
                   g3Point[z] = new Point(i * 3, (Int32)p3 * (-2));
                   z++;
                }
            }
            Pen myPen = new Pen(Color.Black, 1);
            Graphics g = Graphics.FromHwnd(pictureBox1.Handle);
            g.TranslateTransform(20, 400);
            g.DrawLine(myPen, 0, 0, 0, -400);
            g.DrawLine(myPen, 0, 0, 600,0);
            for (int i = 30; i <= 570; i = i + 30)
            {
                g.DrawLine(myPen, i, 0, i, -5);

            }
            for (int i = 20; i <= 400; i = i + 20)
            {
                g.DrawLine(myPen, 0, i * (-1), 5, i * (-1));
            }
            for (int i = 20; i <= 180; i = i + 20)
            {
                g.DrawString("0." + i / 20, font, Brushes.Black, -15, i * (-1) - 5);
            }
            for (int i = 220; i <= 380; i = i + 20)
            {
                g.DrawString("1." + ((i - 200) / 20), font, Brushes.Black, -15, i * (-1) - 5);
            }
            for (int i = 30; i <= 570; i = i + 30)
            {
                g.DrawString("" + i / 3, font, Brushes.Black, i - 5, 0);
            }
            g.DrawString("1", font, Brushes.Black, -10, -205);
            g.DrawString("2", font, Brushes.Black, -10, -400);
            g.DrawString("200", font, Brushes.Black, 595, 0);




         button1.Enabled = false;
         }
        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        public void button3_Click(object sender, EventArgs e)
        {

            if (radioButton1.Checked == true)
            {
                for (int i = 1; i < myPoint.Count(); i++)
                    g.DrawLine(myPen, myPoint[i - 1], myPoint[i]);

            }
            if (radioButton2.Checked == true)
            {

                for (int i = 1; i < g2Point.Count(); i++)
                    g.DrawLine(myPen, g2Point[i - 1], g2Point[i]);
            }

            if (radioButton3.Checked == true)
            {
                for (int i = 1; i < g2Point.Count(); i++)
                    g.DrawLine(myPen, g3Point[i - 1], g3Point[i]);
            }
        }


       }

    }