DemoThread.cs

DemoThread.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace TestThread
{
    class Program
    {
        // Khai báo 1 thread
        static Thread thread;

        static void Main(string[] args)
        {
            // khởi tạo thread
            thread = new Thread(ThreadFunc);
            thread.IsBackground = true;

            while (true)
            {
                // in menu
                PrintMenu();

                // lựa chọn
                switch (Console.ReadLine())
                {
                    case "1":
                        // start thread
                        // kiểm tra thread đang start hay ko
                        if (!thread.IsAlive) thread.Start();
                        else
                        {
                            Console.WriteLine("Thread dang running, khong can start lai");
                            Console.ReadLine();
                        }
                        break;
                    case "2":
                        // resume hoặc pause
                        if (!thread.IsAlive)
                        {
                            Console.WriteLine("Vui long start thread truoc khi pause/ resume");
                            Console.ReadLine();
                        }
                        else
                        {
                            if (thread.ThreadState.HasFlag(System.Threading.ThreadState.Suspended)) thread.Resume();
                            else if (thread.ThreadState.HasFlag(System.Threading.ThreadState.Background)) thread.Suspend();
                        }

                        break;
                    case "3":
                        if (thread.IsAlive) thread.Abort();
                        else
                        {
                            Console.WriteLine("Khong co thread dang running");
                            Console.ReadLine();
                        }
                        break;
                    default:
                        if (thread.IsAlive) thread.Abort();
                        return;
                        break;
                }
            }
        }

        private static void PrintMenu()
        {
            Console.Clear();
            Console.WriteLine("TEST THREAD");
            Console.WriteLine("1: Start");
            Console.WriteLine("2: Pause/Resume");
            Console.WriteLine("3: Close thread");
        }

        // hàm mà thread chạy
        public static void ThreadFunc()
        {
            int time = 0;
            do
            {
                Thread.Sleep(1000);
                time++;
                Debug.WriteLine("Thread is running in " + time + " sec(s)");
            } while (true);

        }
    }
}