Add image to shared iCloud photo stream programatically via COM on Windows

PhotoStream.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace PhotoStreams
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length < 1)
                return;

            string imagePath = args[0];
            string comment = args.Length > 1 ? args[1] : "";

            GuidConverter gc = new GuidConverter();
            Guid guid = (Guid)gc.ConvertFromString("3C5E2B20-B911-44E2-A2DD-9F05E7B5E775");
            Type consoleType = Type.GetTypeFromCLSID(guid);

            var photo = Activator.CreateInstance(consoleType) as PhotoStreams.IPhotoViewerHelper;
            var list = photo.GetAlbumList();
            string firstAlbumId = (string) list.GetValue(0);
            photo.AddAssetsToAlbum(firstAlbumId, new string[] { imagePath }, new string[] { comment });

            Marshal.ReleaseComObject(photo);
        }
    }
}