c#_array_shuffle

array_shuffle.cs

private static void ShuffleArray(IList<int> array)
{
    if (array == null) throw new ArgumentNullException("array");
    var r = new Random((int) DateTime.Now.Ticks);

    for (int i = array.Count-1; i >= 0; --i)
    {
        var index = r.Next(i+1);
        if (index == i) continue;

        var exchange = array[i];
        array[i] = array[index];
        array[index] = exchange;
    }
}