Deep Copy in C#

Question

MSDN gives this example of a deep copy (http://msdn.microsoft.com/en-us/library/system.object.memberwiseclone.aspx)

public class Person 
{
    public int Age;
           


        

Answer 1

Your DeepCopy will not copy the Age and Name fields from the object being copied. They will get their default(T) values instead (Age = 0, Name = null).

MemberwiseClone does create a new object just like you did, but it also copies the fields:

Person other = new Person();

other.Age = this.Age;

other.Name = this.Name;

As int is a value type it will be copied to the new object. The Name field will reference the same string that was referenced by Name - if that is not okay then you would need to Clone() that and set the reference in your DeepCopy() method just like IdInfo.

According to MSDN: The MemberwiseClone method creates a shallow copy by creating a new object, and then copying the nonstatic fields of the current object to the new object.

Answer 2

Your new method does not copy the value of this.Age and this.Name, so i think it's even not called copy.