50 lines
790 B
C++
50 lines
790 B
C++
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/*
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* refcount.hpp - RefCount class description.
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*
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* Taken from URL code by ChrisPi 9-11-95
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*
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*/
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#ifndef _REFCOUNT_HPP_
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#define _REFCOUNT_HPP_
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/* Types
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********/
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// RefCount destructor callback function
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typedef void (*OBJECTDESTROYEDPROC)(void);
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/* Classes
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**********/
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class RefCount
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{
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private:
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ULONG m_ulcRef;
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OBJECTDESTROYEDPROC m_ObjectDestroyed;
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public:
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RefCount(OBJECTDESTROYEDPROC ObjectDestroyed);
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// Virtual destructor defers to destructor of derived class.
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virtual ~RefCount(void);
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// IUnknown methods
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ULONG STDMETHODCALLTYPE AddRef(void);
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ULONG STDMETHODCALLTYPE Release(void);
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// friends
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#ifdef DEBUG
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friend BOOL IsValidPCRefCount(const RefCount *pcrefcnt);
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#endif
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};
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DECLARE_STANDARD_TYPES(RefCount);
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#endif // _REFCOUNT_HPP_
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