public ResumeDat(string filePath, BDictionary bDictionary) : base(bDictionary) { FilePath = filePath; Fileguard = bDictionary[".fileguard"].ToString(); Resumes = bDictionary.Where(f => f.Value is BDictionary) .ToDictionary(f => f.Key.ToString(), f => new ResumeInfo(this, f.Key.ToString(), f.Value as BDictionary)); }