public List<MovieFileContents> GetDirFiles(string myPathname, bool myIsJpegOnly)
        {
            if (!Directory.Exists(myPathname))
                return null;

            // 1行でJPGファイルを除いたリストを取得できていたが、正常に動作しなくなったので、下のループlistFilesへのAddを使用
            //IEnumerable<string> files = from file in Directory.GetFiles(@strDir) where regex.IsMatch(file) select file;

            string[] files = Directory.GetFiles(myPathname);

            Regex regex;
            if (myIsJpegOnly)
                regex = new Regex(MovieFileContents.REGEX_JPEG_EXTENTION);
            else
                regex = new Regex(MovieFileContents.REGEX_MOVIE_EXTENTION);

            List<string> listFiles = new List<string>();

            foreach (var file in files)
            {
                FileInfo fileinfo = new FileInfo(file.ToString());
                if (regex.IsMatch(fileinfo.Name.ToLower()))
                {
                    TotalLength = TotalLength + fileinfo.Length;
                    FileCount++;
                    listFiles.Add(file.ToString());
                }
            }

            //var files = Directory.GetFiles(@"Z:\DVDRip", "*jpg;*avi", SearchOption.TopDirectoryOnly);
            List<MovieFileContents> listMContents = new List<MovieFileContents>();
            List<string> listManyFileCheck = new List<string>();

            foreach (var file in listFiles)
            {
                FileInfo fileinfo = new FileInfo(file.ToString());

                string ExtWithoutName = fileinfo.Name.Replace(fileinfo.Extension, "");

                bool isManyFileExist = false;
                foreach (string data in listManyFileCheck)
                {
                    if (ExtWithoutName.IndexOf(data) >= 0)
                    {
                        isManyFileExist = true;
                        break;
                    }
                }

                if (isManyFileExist)
                    continue;

                MovieFileContents fileData = new MovieFileContents();
                fileData.Name = ExtWithoutName;
                fileData.Extension = fileinfo.Extension.Replace(".", "").ToUpper();
                fileData.Label = myPathname;
                fileData.FileDate = fileinfo.LastWriteTime;
                fileData.FileCount = 1;
                fileData.Size = fileinfo.Length;

                fileData.Parse();

                // サムネイル画像を見るを追加する
                string FileExt = "";

                FileExt = fileinfo.Extension;

                if (FileExt.Length > 0)
                {
                    string ThumbnailFilename = fileinfo.FullName.Replace(FileExt, "") + "_th.jpg";

                    if (File.Exists(ThumbnailFilename))
                    {
                        fileData.IsExistsThumbnail = true;
                    }
                }

                Regex regexManyFile = new Regex("_[0-9]$");

                if (regexManyFile.IsMatch(ExtWithoutName))
                {
                    MovieFileContents data = new MovieFileContents();
                    string FilesPattern = Regex.Replace(fileinfo.Name, "_[0-9]\\" + fileinfo.Extension + "$", "*" + fileinfo.Extension);

                    string[] arrFiles = System.IO.Directory.GetFiles(fileinfo.Directory.FullName, FilesPattern, SearchOption.TopDirectoryOnly);

                    if (arrFiles != null && arrFiles.Length > 1)
                    {
                        listManyFileCheck.Add(Regex.Replace(ExtWithoutName, "_[0-9]$", ""));

                        long size = 0;
                        foreach (string pathname in arrFiles)
                        {
                            FileInfo fileinfoMany = new FileInfo(pathname);
                            size += fileinfoMany.Length;
                        }

                        fileData.Name = Regex.Replace(fileinfo.Name, "_[0-9]\\" + fileinfo.Extension + "$", "");
                        fileData.Size = size;
                        fileData.FileCount = arrFiles.Length;
                    }
                }

                listMContents.Add(fileData);
            }

            return listMContents;
        }
        public List<MovieFileContents> BackupGetDirFiles(string myPathname)
        {
            ////////////////////////////////
            //////////// バックアップ
            /////////////////////////////////
            ///////////////////
            if (!Directory.Exists(myPathname))
                return null;

            // 1行でJPGファイルを除いたリストを取得できていたが、正常に動作しなくなったので、下のループlistFilesへのAddを使用
            //IEnumerable<string> files = from file in Directory.GetFiles(@strDir) where regex.IsMatch(file) select file;

            string[] files = Directory.GetFiles(myPathname);

            Regex regex = new Regex(MovieFileContents.REGEX_MOVIE_EXTENTION);
            List<string> listFiles = new List<string>();

            foreach (var file in files)
            {
                FileInfo fileinfo = new FileInfo(file.ToString());
                if (regex.IsMatch(fileinfo.Name.ToLower()))
                {
                    TotalLength = TotalLength + fileinfo.Length;
                    FileCount++;
                    listFiles.Add(file.ToString());
                }
            }

            //var files = Directory.GetFiles(@"Z:\DVDRip", "*jpg;*avi", SearchOption.TopDirectoryOnly);

            List<MovieFileContents> listMContents = new List<MovieFileContents>();

            foreach (var file in listFiles)
            {
                FileInfo fileinfo = new FileInfo(file.ToString());

                MovieFileContents data = new MovieFileContents();
                data.Name = fileinfo.Name;
                data.Label = myPathname;
                data.FileDate = fileinfo.LastWriteTime;
                data.Size = fileinfo.Length;

                data.Parse();

                // サムネイル画像を見るを追加する
                string FileExt = "";

                FileExt = fileinfo.Extension;

                if (FileExt.Length > 0)
                {
                    string ThumbnailFilename = fileinfo.FullName.Replace(FileExt, "") + "_th.jpg";

                    if (File.Exists(ThumbnailFilename))
                    {
                        data.IsExistsThumbnail = true;
                    }
                }

                listMContents.Add(data);
            }

            return listMContents;
        }