Copy / Clone an Object

Hi

Do you have any examples of copy or clone type code?

Tried to implement my own 'clone' code using deserialisation, however its not happy:

ActivityResponseConsumerMobile arcmDb = uow.ActivityResponseConsumerMobiles.Single(m => m.Id == id);

ActivityResponseConsumerMobile arcmNew = new ActivityResponseConsumerMobile();

arcmNew = ObjectClone.Clone<ActivityResponseConsumerMobile>(arcmDb);

cloner:

public static T Clone<T>(T source)

        {

            if (!typeof(T).IsSerializable)

            {

                throw new ArgumentException("The type must be serializable.", "source");

            }

            // Don't serialize a null object, simply return the default for that object

            if (Object.ReferenceEquals(source, null))

            {

                return default(T);

            }

            IFormatter formatter = new BinaryFormatter();

            Stream stream = new MemoryStream();

            using (stream)

            {

                formatter.Serialize(stream, source);

                stream.Seek(0, SeekOrigin.Begin);

                return (T)formatter.Deserialize(stream);

            }

        }

getting a null reference on return (T)formatter.Deserialize(stream);

is this due to timing? ie the object hasn't been enumerated yet?

Regards

Dave

We use Automapper for deep copying.

Thanks Josh01.  I've been meaning to have a look at AutoMapper for a while.

I wonder if there is a simpler way?

Cheers

Dave

AutoMapper worked for me.  I just needed a simple object clone, and not a deepclone.  Here is my code:

ActivityResponseConsumerMobile arcmDb = uow.ActivityResponseConsumerMobiles.Single(m => m.Id == id);

 ActivityResponseConsumerMobile arcmNew = new ActivityResponseConsumerMobile();

Mapper.CreateMap<ActivityResponseConsumerMobile, ActivityResponseConsumerMobile>()

                                .ForMember(dest => dest.EntityState, opt => opt.Ignore());

arcmNew = Mapper.Map<ActivityResponseConsumerMobile, ActivityResponseConsumerMobile>(arcmDb);    

arcmNew.Name = arcmDb.Name + "_cloned";

uow.Add(arcmNew);

uow.SaveChanges();