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29 lines
520 B
29 lines
520 B
#include <objbase.h>
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#pragma hdrstop
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#include "cowsite.h"
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void IUnknown_Set(IUnknown ** ppunk, IUnknown * punk)
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{
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if (*ppunk)
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(*ppunk)->Release();
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*ppunk = punk;
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if (punk)
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punk->AddRef();
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}
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HRESULT CObjectWithSite::SetSite(IUnknown *punkSite)
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{
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IUnknown_Set(&_punkSite, punkSite);
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return S_OK;
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}
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HRESULT CObjectWithSite::GetSite(REFIID riid, void **ppvSite)
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{
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if (_punkSite)
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return _punkSite->QueryInterface(riid, ppvSite);
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*ppvSite = NULL;
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return E_FAIL;
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}
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