MongoDB.Bson.Serialization.Serializers.ByteArraySerializer.Serialize C# (CSharp) Метод

        public override void Serialize(
            BsonWriter bsonWriter,
            Type nominalType,
            object value,
            IBsonSerializationOptions options)
        {
            if (value == null)
            {
                bsonWriter.WriteNull();
            }
            else
            {
                var bytes = (byte[])value;
                var representationSerializationOptions = EnsureSerializationOptions<RepresentationSerializationOptions>(options);

                switch (representationSerializationOptions.Representation)
                {
                    case BsonType.Binary:
                        bsonWriter.WriteBytes(bytes);
                        break;
                    case BsonType.String:
                        var sb = new StringBuilder(bytes.Length * 2);
                        for (int i = 0; i < bytes.Length; i++)
                        {
                            sb.Append(string.Format("{0:x2}", bytes[i]));
                        }
                        bsonWriter.WriteString(sb.ToString());
                        break;
                    default:
                        var message = string.Format("'{0}' is not a valid Byte[] representation.", representationSerializationOptions.Representation);
                        throw new BsonSerializationException(message);
                }
            }
        }
    }