I need to implement C# deep copy constructors with inheritance. What patterns are there to choose from?

Question

I wish to implement a deepcopy of my classes hierarchy in C#

public Class ParentObj : ICloneable
{
    protected int   myA;
    public virtual Object Clone          


        

Answer 1

You should use the MemberwiseClone method instead:

public class ParentObj : ICloneable
{
    protected int myA;
    public virtual Object Clone()
    {
        ParentObj newObj = this.MemberwiseClone() as ParentObj;
        newObj.myA = this.MyA; // not required, as value type (int) is automatically already duplicated.
        return newObj;
    }
}

public class ChildObj : ParentObj
{
    protected int myB;
    public override Object Clone()
        {
             ChildObj newObj = base.Clone() as ChildObj;
             newObj.myB = this.MyB; // not required, as value type (int) is automatically already duplicated

             return newObj;
        }
}