Re: When To AddRef
"Alexander Mueller" <email@example.com> wrote in message
Igor Tandetnik schrieb:
Alexander Mueller <firstname.lastname@example.org> wrote:
Btw is there a COM-call or something else (macro,
smartpointer, an ATL-Wrapper) that does both in one, copy the
pointer and call AddRef? just to not forget to addref?
CComPtr automatically AddRef's on construction or assignment, and
Release's in destructor.
How do I release/delete/remove from memory a pointer wrapped with
CComPtr releases automatically when destroyed (e.g. when it goes out of
scope). This is sufficient in most cases (indeed, this is the point of
using it in the first place). On those rare occasions when you need to
release it manually, it provides Release method. On still rarer
occasions when you want to take over the raw pointer and relieve CComPtr
of the responsibility of managing it, there's Detach method.
Simply NULL it?
You can do this, too. It is equivalent to calling Release.
With best wishes,
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necessarily a good idea. It is hard to be sure where they are going to
land, and it could be dangerous sitting under them as they fly
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