Re: calling "after return"...?

On 5 May, 14:03, ".rhavin grobert" <cl...@[EMAIL PROTECTED]
> wrote:
> guess you have the following cl*****...
> ___________________________________
> class =A0{
> =A0 //..a couple of methods ...//
>
> };
>
> class A {
> public:
> =A0 //...//
> =A0 B* GetB() // <- this we'll talk about
> private:
> =A0 B* m_pB;
>
> };
>
> A::GetB() {
> =A0 //..some code..//
> =A0 return m_pB;};
>
> ___________________________________
>
> when some does a...
>
> A.GetB()->AMethodOfB();
>
> ... and you want some code be executed before B::AMethodOfB() is
> called, you simply pack it into A::GetB()'s body before the return.
> But what do yuo do, if you want to execute some code _after_ B's
> method is executed, e.g. when the callstack - after completing the
> call into B - returns back into A::GetB()?

Possibly your best bet would be to replace GetB with a function to
call a method of B. Eg something like:

void A::callB(int fun) {
switch (fun) {
  case METHODA: m_pB -> firstmethod(); break;
  case METHODB: m_pB -> secondmethod(); break; }
doafterstuff();
}

For more advanced stuff, function pointers might help.

Hope this helps.
Paul.