C# 将文件夹缩略图设置为该目录中的最新照片

问：

有没有办法根据 c# 代码自动刷新目录缩略图？

我有大量包含照片和文本文件的目录，我想快速将目录缩略图更新为最新照片（始终为 .jpg）

我尝试过使用 ChatGPT，但在某些时候它取决于 dll 或函数。

我最接近下面的代码，但显然不存在......folderItem.InvokeVerb("setthumbnail")

有人尝试使用代码或脚本更改文件夹缩略图吗？ 我很迷茫，这将对我有很大的帮助。

提前致谢 o7

class Program
    {
        static void Main()
        {
            string startPath = @"D:\Test\1000";
            string[] folders = Directory.GetDirectories(startPath);

            foreach (string folder in folders)
            {
                string[] jpgFiles = Directory.GetFiles(folder, "*.jpg");
                Array.Sort(jpgFiles, (a, b) => new FileInfo(b).LastWriteTime.CompareTo(new FileInfo(a).LastWriteTime));

                if (jpgFiles.Length > 0)
                {
                    string imagePath = jpgFiles[0];
                    SetFolderThumbnail(folder, imagePath);
                }
            }
        }

        static void SetFolderThumbnail(string folderPath, string imagePath)
        {
            try
            {
                DirectoryInfo dirInfo = new DirectoryInfo(folderPath);
                FileInfo imageFileInfo = new FileInfo(imagePath);

                string thumbsDbPath = Path.Combine(folderPath, "Thumbs.db");
                if (!File.Exists(thumbsDbPath))
                {
                    File.Create(thumbsDbPath).Close();
                }

                Shell shell = new Shell();
                Folder folder = GetShell32Folder(folderPath);
                FolderItem folderItem = folder.ParseName(dirInfo.Name);
                FolderItem imageItem = folder.ParseName(imageFileInfo.Name);

                folderItem.InvokeVerb("setthumbnail");
                imageItem.InvokeVerb("setthumbnail");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
           
        }

        private static Shell32.Folder GetShell32Folder(string folderPath)
        {
            Type shellAppType = Type.GetTypeFromProgID("Shell.Application");
            Object shell = Activator.CreateInstance(shellAppType);
            return (Shell32.Folder)shellAppType.InvokeMember("NameSpace",
                System.Reflection.BindingFlags.InvokeMethod, null, shell, new object[] { folderPath });
        }

        [ComImport]
        [Guid("13709620-C279-11CE-A49E-444553540000")]
        public class Shell
        {
        }

        [ComImport]
        [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
        [Guid("000214E6-0000-0000-C000-000000000046")]
        public interface IShellFolder
        {
        }

        [ComImport]
        [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
        [Guid("93F2F68C-1D1B-11D3-A30E-00C04F79ABD1")]
        public interface IFolderView
        {
        }
    }