using System;

public class Program

{

    public static void Main()

    {

        int [] Array = {0,1,2,3,4,5,6,7,8,9};

        var suffledArray = Array.Shuffle();

​

​

        for (int i=0;i<Array.Length;i++)

            Console.WriteLine("Array:[{0}] = {1} ",i, suffledArray[i]);

        Console.ReadLine();

    }

}

​

public static class ExtensionMethod{

    public static int[] Shuffle(this int[] array){

        int length = array.Length;

        int[] result = new int[length];

        Random r = new Random();

        for (int i=0;i<length;i++)

        {

            result[i] = array[r.Next(length)%length];

        }

        return result;

    }

}