Chuan-Yih, Yu

I made a mistake, I used shallow clone instead of deep clone. That’s second time I made this mistake.

Here is the deep clone. Remember to add [Serializable] for class.

Ref

using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

public Class Test : IClonable
{
public Test()
{
}
// deep copy in separeate memory space
public object Clone()
{
MemoryStream ms = new MemoryStream();
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, this);
ms.Position = 0;
object obj [...]