32 lines
646 B
C++
32 lines
646 B
C++
#ifndef _COWSITE_H_
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#define _COWSITE_H_
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#include <ocidl.h>
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#define ATOMICRELEASE(p) \
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{ \
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IUnknown *pFoo = (IUnknown *)p; \
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p = NULL; \
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if (pFoo) \
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pFoo->Release(); \
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}
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class CObjectWithSite : public IObjectWithSite
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{
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public:
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CObjectWithSite() {_punkSite = NULL;};
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virtual ~CObjectWithSite() {ATOMICRELEASE(_punkSite);}
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//*** IUnknown ****
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// (client must provide!)
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//*** IObjectWithSite ***
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STDMETHOD(SetSite)(IUnknown *punkSite);
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STDMETHOD(GetSite)(REFIID riid, void **ppvSite);
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protected:
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IUnknown* _punkSite;
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};
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#endif
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