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.Threading;
using System.Windows.Forms;


namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        static AutoResetEvent waitHandler = new AutoResetEvent (true);
        static int res = 0;
        object syncObj = new object();
        // static Mutex mutex = new Mutex(false, "oreilly.com OneAtATimeDemo");


        private void button1_Click(object sender, EventArgs e)
        {
            int count_threads = 8;
            Thread a = new Thread(first),
                b = new Thread(second),
                c = new Thread(third),
                d = new Thread(fourth),
                ee = new Thread(fifth),
                f = new Thread(sixth),
                g = new Thread(seventh),
                h = new Thread(eight);

            // Упаковываем
            Data[] temp = new Data[count_threads];
            for (int i = 0; i != count_threads; ++i) {
                temp[i].a = 1;
                temp[i].b = 2;
                temp[i].ttt = waitHandler;
            }



            // Начинаем, и передаем данные
            a.Start(temp[0]);
            b.Start(temp[1]);
            c.Start(temp[2]);
            d.Start(temp[3]);
            ee.Start(temp[4]);
            f.Start(temp[5]);
            g.Start(temp[6]);
            h.Start(temp[7]);
            // thread.Join();

            waitHandler.WaitOne();
        }

        private void first(object input)
        {
            for (int i = 0; i != 15; ++i) {

                work();
                Invoke(new Action(() => textBox5.AppendText(Convert.ToString(res) + "\n")));
                //textBox5.AppendText(Convert.ToString(i));

            }
            Thread.Sleep(3000);
            for (int i = 0; i != 15; ++i)
            {

                work();
                Invoke(new Action(() => textBox5.AppendText(Convert.ToString(res) + "\n")));
                //textBox5.AppendText(Convert.ToString(i));

            }

        }

        private void second(object input)
        {
            Thread.Sleep(500);
            for (int i = 0; i != 15; ++i)
            {

                work();
                Invoke(new Action(() => textBox6.AppendText(Convert.ToString(res) + "\n")));
                //textBox5.AppendText(Convert.ToString(i));

            }

        }

        private void third(object input)
        {

            int id = Thread.CurrentThread.ManagedThreadId;
            Invoke(new Action(() => textBox3.Text = Convert.ToString(id)));


        }

        private void fourth(object input)
        {

            //Thread.Sleep(5000);
            Data data = (Data)input;
            int id = Thread.CurrentThread.ManagedThreadId;
            Invoke(new Action(() => textBox4.Text = Convert.ToString(id)));

            data.ttt.Set();

        }
        private void fifth(object input)
        {

            int id = Thread.CurrentThread.ManagedThreadId;
            Invoke(new Action(() => textBox3.Text = Convert.ToString(id)));


        }

        private void sixth(object input)
        {

            //Thread.Sleep(5000);
            Data data = (Data)input;
            int id = Thread.CurrentThread.ManagedThreadId;
            Invoke(new Action(() => textBox4.Text = Convert.ToString(id)));

            data.ttt.Set();

        }
        private void seventh(object input)
        {

            int id = Thread.CurrentThread.ManagedThreadId;
            Invoke(new Action(() => textBox3.Text = Convert.ToString(id)));


        }

        private void eight(object input)
        {

            //Thread.Sleep(5000);
            Data data = (Data)input;
            int id = Thread.CurrentThread.ManagedThreadId;
            Invoke(new Action(() => textBox4.Text = Convert.ToString(id)));

            data.ttt.Set();

        }

        private void work()
        {
            lock (syncObj) {
                ++res;
            }

        }
    }

    // Отдельный тип для упаковки/распаковки
    struct Data
    {
        public int a;
        public int b;
        public AutoResetEvent ttt;
    }
}