// - all derived types must also implement ICloneable
// - all of its member types must also support it
static void Main(string[] args)
{
// case 1: clone value type with ref type (string, class and int[]) as member
//ErrorMessage errorMessage = new ErrorMessage("msg", new int[] { 1 }, new MyClass { MyProperty = 1 });
//ErrorMessage errorMessageClone = (ErrorMessage)errorMessage.Clone();
//errorMessage.msg = null; errorMessage.val = null; errorMessage.mc = null;
//ErrorMessage errorMessage = new ErrorMessage("msg", new int[] { 1 }, new MyClass { MyProperty = 1 });
//ErrorMessage errorMessageCopy = errorMessage;
// case 2: refer type with ref type (string, class and int[]) as member
// case 3: refer type with ref type (string, class and int[]) as member
// WITH derived type
//Derived derived = new Derived();
//Derived derived_clone = derived.Clone() as Derived;
//if (derived_clone is null)
//{
// Console.WriteLine("derived_clone is null");
//}
// case 4: don't allow class that implements ICloneable to be inherited
Derived_v2 derived_v2 = new Derived_v2();
Derived_v2 derived_v2_clone = derived_v2.Clone() as Derived_v2;
if (derived_v2_clone is null)
{
Console.WriteLine("derived_v2_clone is null");
}
}
public object Clone()
{
Derived_v2 rval = new Derived_v2(this);
return(rval);
}
private Derived_v2(Derived_v2 right) : base(right)
{
dValues = right.dValues.Clone() as double[];
}
