C# dictionary to bytes and bytes convert to dictionary

static byte[] GetBytesFromDic(Dictionary<string,string> dic)        {            if(dic==null || !dic.Any())            {                return null;            }            using (MemoryStream ms = new MemoryStream())            {                BinaryFormatter binFormatter = new BinaryFormatter();                binFormatter.Serialize(ms, dic);                byte[] dicBytes = ms.ToArray();                           return dicBytes;            }        }        static Dictionary<string,string> GetDicFromBytes(byte[] dicBytes)        {            Dictionary<string, string> dic = new Dictionary<string, string>();            using (MemoryStream ms = new MemoryStream(dicBytes))            {                BinaryFormatter binFormatter = new BinaryFormatter();                dic= (Dictionary<string,string>) binFormatter.Deserialize(ms);            }            return dic;        }

MemoryStream ms=new MemoryStream(bytes);

ms.ToArray()