Re: delete an inherited class

On Apr 27, 10:39 pm, Free0...@[EMAIL PROTECTED]
 wrote:
> if i make a class that inherit another class, when i delete the
> pointer casted to the inherited class, only the destructor of the
> inherited class fires, the base class does not.
>
> ex:
>
> class shape
> {
>  ~shape()
>
> }
>
> class square : class shape
> {
>  ~square()
>
> }
>
> square pSquare = new square();
>
> shape pShape = dynamic_cast<shape *>(pSquare);
>
> delete pShape;  <== only calls  ~shape()

You need to declare your destructor as virtual in the base class.
Otherwise, there's no way to find out the actual type of the object at
run-time.


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