Pass Parameter Array as Reference in C#

using System.IO;
using System;
class ParameterArrayAsReference
{
    private static void Main(string[] args)
    {
        int[] valArray =
        {
            10, 20
        };
        Console.WriteLine("Before Method Call: val1: {0} \t val2: {1}", valArray[0], valArray[1]);
        AddList(ref valArray);
        Console.WriteLine("After Method Call: val1: {0} \t val2: {1}", valArray[0], valArray[1]);
    }
    static void AddList(ref int[] intVals)
    {
        int[] newArray =
        {
            12, 32
        };
        intVals = newArray;
    }
}

Before Method Call: val1: 10 val2: 20
After Method Call: val1: 12 val2: 32