Дмитрий Афонченко

var getBatchOfPlayers = QueryOver.Of<PlayerInfoEntity>()
    .Where(entity => entity.IsSimulation == player.IsSimulation && entity.Role.IsIn(roles))
    .OrderBy(entity => entity.Login).Asc
    .Select(entity => entity.Id) // Исправили Login на Id
    .Skip(startOffset).Take(limit);

res = session.QueryOver<ItemsEntity>()
    .WithSubquery.WhereProperty(entity => entity.Player.Id).In(getBatchOfPlayers) // Исправили Login на Id
    .Cacheable().CacheMode(CacheMode.Normal)
    .List().GroupBy(x => x.Player.Login)
    .Select(ConvertSpecial)
    .ToList();

BitmapDecoder decoder = BitmapDecoder.Create(detectDate, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
InPlaceBitmapMetadataWriter pngInplace = decoder.Frames[0].CreateInPlaceBitmapMetadataWriter();

private async void smartButton_Click(object sender, RoutedEventArgs e)
        {
            FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
            folderBrowserDialog.ShowDialog();

            if (folderBrowserDialog.SelectedPath != "")
            {
                string selectedPath = folderBrowserDialog.SelectedPath;

                folderBrowserDialog.Dispose();

                string[] photos = Directory.GetFiles(selectedPath);

                foreach (ModelGroupItem item in listGroupItem)
                {
                   foreach (string photo in photos)
                    {
                        using (FileStream detectDate = File.Open(photo, FileMode.Open))
                        {
                            BitmapDecoder decoder = BitmapDecoder.Create(detectDate, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
                            InPlaceBitmapMetadataWriter pngInplace = decoder.Frames[0].CreateInPlaceBitmapMetadataWriter();
                            DateTime photoDate = DateTime.Parse(pngInplace.DateTaken); // Дата съемки

                            // Если фотография соответствует условиям, то перекидываем ее в папку
                            if (item.timeTo.TimeOfDay > photoDate.TimeOfDay &
                                item.timeFrom.TimeOfDay < photoDate.TimeOfDay &
                                photoDate.DayOfWeek.ToString() == item.day &
                                photoDate.Month == DateTime.Today.Month)
                            {
                                string StartDirectory = selectedPath;   // Стартовая директория
                                string EndDirectory = item.path;        // Конечная
                                
                                // Освобождаем файл перед копированием
                                detectDate.Dispose();

                                using (FileStream imageStreamSource = File.Open(photo, FileMode.Open))
                                {
                                    using (FileStream DestinationStream = File.Create(EndDirectory + photo.Substring(photo.LastIndexOf('\\'))))
                                    {
                                        await imageStreamSource.CopyToAsync(DestinationStream);
                                    }
                                }
                                
                            }
                        }
                    }
                }
            }
        }