public class MemStream : MemoryStream
    {
        private Encoding _enc = Encoding.UTF8;
        public Encoding Enc
        {
            get
            { return _enc; }
            set
            { _enc = value; }
        }

        public void ReadFromFile(string Filename)
        {
            byte[] BB = GET_BB._READ_BB(Filename);
            this.Read(BB,0,BB.Length);
        }
        public void SaveToFile(string Filename)
        {
            GET_BB._WRITE_BB(Filename,this.ToArray(),_enc);
        }
        public string Value
        {
            get
            {
                return Enc.GetString(this.ToArray());
            }
        }
        
        public void Write(params string[] s)
        {
            if (s!=null)
                foreach (var s0 in s)
                    if (s0 != null)
                    {
                        byte[] BB = Enc.GetBytes(s0);
                        Write(BB, 0, BB.Length);
                    }
        }
         //........
}