Serializing deserializing with memory stream

Question

I m having an issue with serializing using memory stream  Here is my code        lt summary gt      serializes the given object into memory stream      lt  summary gt       lt param name  objectType  gt the object to be serialized lt  param gt       lt returns gt The serialized object as memory stream lt  returns gt  public static MemoryStream SerializeToStream object objectType        MemoryStream stream   new MemoryStream        IFormatter formatter   new BinaryFormatter        formatter Serialize stream  objectType       return stream          lt summary gt      deserializes as an object      lt  summary gt       lt param name  stream  gt the stream to deserialize lt  param gt       lt returns gt the deserialized object lt  returns gt  public static object DeserializeFromStream MemoryStream stream        IFormatter formatter   new BinaryFormatter        stream Seek 0  SeekOrigin Begin       object objectType   formatter Deserialize stream       return objectType       The error I m getting is as follow  stream is not a valid binary format  The starting contents  in bytes  are  blah      I m not exactly sure what is causing the error  Any help would be greatly appreciated   Example of the call   Dog myDog   new Dog    myDog Name   Foo   myDog Color   DogColor Brown   MemoryStream stream   SerializeToStream myDog   Dog newDog    Dog DeserializeFromStream stream

User · Answer

BinaryFormatter may produce invalid output in some specific cases  For example it will omit unpaired surrogate characters  It may also have problems with values of interface types  Read this documentation page including community content   If you find your error to be persistent you may want to consider using XML serializer like DataContractSerializer or XmlSerializer

User · Answer

Use Method to Serialize and Deserialize Collection object from memory  This works on Collection Data Types  This Method will Serialize collection of any type to a byte stream  Create a Seperate Class SerilizeDeserialize and add following two methods   public class SerilizeDeserialize           Serialize collection of any type to a byte stream      public static byte   Serialize lt T gt  T obj                using  MemoryStream memStream   new MemoryStream                          BinaryFormatter binSerializer   new BinaryFormatter                binSerializer Serialize memStream  obj               return memStream ToArray                            DSerialize collection of any type to a byte stream      public static T Deserialize lt T gt  byte   serializedObj                T obj   default T           using  MemoryStream memStream   new MemoryStream serializedObj                         BinaryFormatter binSerializer   new BinaryFormatter                obj    T binSerializer Deserialize memStream                     return obj             How To use these method in your Class   ArrayList arrayListMem   new ArrayList      One    Two    Three    Four    Five    Six    Seven     Console WriteLine  Serializing to Memory   arrayListMem    byte   stream   SerilizeDeserialize Serialize arrayListMem    ArrayList arrayListMemDes   new ArrayList     arrayListMemDes   SerilizeDeserialize Deserialize lt ArrayList gt  stream    Console WriteLine  DSerializing From Memory   arrayListMemDes    foreach  var item in arrayListMemDes        Console WriteLine item

User · Answer

This code works for me    public void Run         Dog myDog   new Dog        myDog Name   Foo       myDog Color   DogColor Brown       System Console WriteLine   0    myDog ToString          MemoryStream stream   SerializeToStream myDog        Dog newDog    Dog DeserializeFromStream stream        System Console WriteLine   0    newDog ToString         Where the types are like this    Serializable  public enum DogColor       Brown      Black      Mottled     Serializable  public class Dog       public String Name               get  set             public DogColor Color               get set             public override String ToString                 return String Format  Dog   0   1    Name  Color             and the utility methods are    public static MemoryStream SerializeToStream object o        MemoryStream stream   new MemoryStream        IFormatter formatter   new BinaryFormatter        formatter Serialize stream  o       return stream     public static object DeserializeFromStream MemoryStream stream        IFormatter formatter   new BinaryFormatter        stream Seek 0  SeekOrigin Begin       object o   formatter Deserialize stream       return o

[c#] Serializing/deserializing with memory stream

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