Exif date taken on from album name

Program.cs

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;

namespace ExifDateFixer
{
    class Program
    {
        private static readonly DirectoryInfo _root = new DirectoryInfo(@"Y:\Photos\Cameras");
        private static readonly string[] _images = new string[] { ".jpeg", ".jpg", ".tiff", ".png" };

        static void Main(string[] args)
        {
            var albums = _root.GetDirectories();
            var totalImages = 0;
            var handledImages = 0;
            for (int i = 0; i < albums.Length; i++)
            {
                Console.WriteLine($"[{i + 1} of {albums.Length}] {albums[i].Name}");

                var date = parseAlbumName(albums[i].Name);
                Console.WriteLine($"Extracted date: {date.ToShortDateString()}");
                var result = processAlbum(date, albums[i].GetFiles());
                totalImages += result.filteredImages;
                handledImages += result.handledImages;
                Console.WriteLine();
            }

            Console.WriteLine($"Out of {totalImages} images set date to {handledImages}");
            Console.ReadKey();
        }

        static private (int filteredImages, int handledImages) processAlbum(DateTime takenOn, FileInfo[] fileInfo)
        {
            var filteredImages = fileInfo
                .Where(i => _images.Contains(i.Extension?.ToLower()))
                .ToList();
            var handledImages = 0;
            foreach (var image in filteredImages)
            {
                var shouldCleanUp = false;

                using (var file = Image.FromFile(image.FullName))
                {
                    var dateProp = file.PropertyItems.FirstOrDefault(a => a.Id == 0x9003);

                    if (dateProp == null)
                    {
                        dateProp = (PropertyItem)FormatterServices.GetUninitializedObject(typeof(PropertyItem));
                        dateProp.Id = 0x9003;
                        dateProp.Type = 2;
                        dateProp.Value = Encoding.UTF8.GetBytes(takenOn.ToString("yyyy:MM:dd HH:mm:ss"));
                        dateProp.Len = dateProp.Value.Length;
                        file.SetPropertyItem(dateProp);

                        file.Save(image.FullName + "c");
                        shouldCleanUp = true;
                    }
                }

                if(shouldCleanUp)
                {
                    handledImages++;
                    File.Delete(image.FullName);
                    File.Move(image.FullName + "c", image.FullName);
                    Console.WriteLine($"Updated date for {image.Name}");
                }
            }
            return (filteredImages.Count, handledImages);
        }

        private static DateTime parseAlbumName(string albumName)
        {
            // album names can be:
            // * 1995 - 1997, Army days
            // * 2000, Wedding
            // * 2003 - 05, Tel Aviv - Sea
            // * 2010 - 10
            // * 2012 - 01,02, Antarctica trip

            var datePart = albumName.Split(',')[0];
            var yearPart = datePart.Substring(0, 4);
            var monthPart = "01";

            if (datePart.Length == 9)
                monthPart = datePart.Substring(7, 2);

            return new DateTime(Int32.Parse(yearPart), Int32.Parse(monthPart), 1, 0, 0, 0, DateTimeKind.Utc);
        }
    }
}