C# Randon

RandonProvider.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System;
using System.Threading;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            // var rnd = new Random();
            // Enumerable.Range(1,49).OrderBy(x => rnd.Next()).Take(6).ToList().ForEach(Console.WriteLine);
            Console.WriteLine(RandomProvider.GetThreadRandom().Next(100));
            Console.WriteLine(RandomProvider.GetThreadRandom().Next(100));
            Console.WriteLine(RandomProvider.GetThreadRandom().Next(100));
            Console.WriteLine(RandomProvider.GetThreadRandom().Next(100));
        }
    }
    	
    public static class RandomProvider
    {    
        private static int seed = Environment.TickCount;
        
        private static ThreadLocal<Random> randomWrapper = new ThreadLocal<Random>
            (() => new Random(Interlocked.Increment(ref seed)));

        public static Random GetThreadRandom()
        {
            return randomWrapper.Value;
        }
    }
}