Re: Destructors & Class Inheritance

"Igor Tandetnik" <>
Tue, 25 Apr 2006 17:18:52 -0400
<eD8rb3KaGHA.504@TK2MSFTNGP03.phx.gbl> wrote:

Let's say I have the following code:

// Start of Code

class ObjA {
   // Some Code

class ObjB : public ObjA {
 int value;
 void DeleteMe()
   delete this;
   value = 5;

This exhibits undefined behavior - you are accessing a member variable
of an object that has already been destroyed.


ObjB *p = new ObjB;

// End of Code

Deleting "this" in ObjB will also call the destructor in ObjA or not?

Yes it will.

What is the order of destruction, from ~ObjA to ~ObjB or the opposite?

~ObjB first, then ~ObjA.

Also, can I set value to 5 after the "delete this" in DeleteMe() ? I
would guess not... But I am not sure.

No you can't.
With best wishes,
    Igor Tandetnik

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