Copy arbitrary sized array, multiple dimensions and length in C#

Is there a way to create a method, or is there an existing method for Array objects, to copy an arbitrary sized array into a new array.  This isn't that difficult if you know what size and dimensions the original array has, but I am a beginner with c# and I don't know how to copy an array of arbitrary dimensions and size into a new array of the same dimension and length.  I would rather create a method from scratch rather than using some of the built-in methods for Arrays.  It is easy enough to copy into a one-dimsionsal array.

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

namespace CopyMe
{
    class Program
    {
        static void Main(string[] args)
        {
            
            int[,] input = new int[3,2];
            input[0, 0] = 1;
            input[0, 1] = 2;
            input[1, 0] = 3;
            input[1, 1] = 4;
            input[2, 0] = 5;
            input[2, 1] = 6;

            int[] newArray = CopyMe(input);

            int index = 0;
            foreach (int value in newArray)
            {
                Console.WriteLine("Value at index {0} is {1}", index, value);
                index++;
            }
            Console.ReadLine();
          
        }

        public static int[] CopyMe(Array input)
        {
            int[] newArray = new int[input.Length];
            int position = 0;
            foreach (int index in input)
            {
               // Console.Write(index);
                newArray[position] = index;
                position++;

            }
            Console.WriteLine("Incoming array rank is {0}", input.Rank);
            Console.WriteLine("Incoming array length is {0}", input.Length);
            Console.WriteLine(input.GetLength(0));
            Console.WriteLine("Hit return to print new array values.");
           
            Console.ReadLine();
            return newArray;
        }
    }
}

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