static void Main(string[] args) { byte[] teste = System.IO.File.ReadAllBytes(@""); var bb = new FileProperties(teste); var cc = bb.CheckExtension(new Signature[] { Signature.JExif }); cc = bb.IsImage(); cc = bb.IsAudio(); cc = bb.IsUnderSize(FileProperties.FromKilobytes(5120)); cc = bb.IsUnderSize(FileProperties.FromMegabytes(5)); var tt = bb; }