windows-nt/Source/XPSP1/NT/enduser/netmeeting/ui/msconf/clrefcnt.hpp

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2020-09-26 03:20:57 -05:00
/*
* refcount.hpp - RefCount class description.
*
* Taken from URL code by ChrisPi 9-11-95
*
*/
#ifndef _REFCOUNT_HPP_
#define _REFCOUNT_HPP_
/* Types
********/
// RefCount destructor callback function
typedef void (*OBJECTDESTROYEDPROC)(void);
/* Classes
**********/
class RefCount
{
private:
ULONG m_ulcRef;
OBJECTDESTROYEDPROC m_ObjectDestroyed;
public:
RefCount(OBJECTDESTROYEDPROC ObjectDestroyed);
// Virtual destructor defers to destructor of derived class.
virtual ~RefCount(void);
// IUnknown methods
ULONG STDMETHODCALLTYPE AddRef(void);
ULONG STDMETHODCALLTYPE Release(void);
// friends
#ifdef DEBUG
friend BOOL IsValidPCRefCount(const RefCount *pcrefcnt);
#endif
};
DECLARE_STANDARD_TYPES(RefCount);
VOID DllLock(void);
VOID DllRelease(void);
VOID STDMETHODCALLTYPE DLLObjectDestroyed(void);
#endif // _REFCOUNT_HPP_