Re: function call without creating object

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Thu, 13 Mar 2008 00:40:25 -0400
Message-ID:
<#qEucRMhIHA.3788@TK2MSFTNGP04.phx.gbl>
"Eric Kaplan" <tobycraftse@yahoo.com> wrote in message
news:dteht31eus1g17h5rc9lt3r6s56g419rf3@4ax.com

in C++ you can call function / methods without creating an object of
that Class?

CGraphicsGroup::~CGraphicsGroup() {
}

void CGraphicsGroup::Create() {

}

void CGraphicsGroup::Update() {
CInterfaceGroup::Update();
}

void CGraphicsGroup::Draw() {
CContainer::Draw();
}


Is CGraphicsGroup derived from CInterfaceGroup and CContainer? If so,
these are similar to calling through super reference in Java:

class CGraphicsGroup : public CInterfaceGroup {
    void Update() {
        super.Update();
    }
};

In C++ you have to specify the name of the base class when calling base
class methods because, unlike Java, C++ supports multiple inheritance,
so just using something like "super" would have been ambiguous.
--
With best wishes,
    Igor Tandetnik

With sufficient thrust, pigs fly just fine. However, this is not
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
overhead. -- RFC 1925

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