windows-nt/Source/XPSP1/NT/multimedia/media/avi/avifile/aviview/regobjs.h
2020-09-26 16:20:57 +08:00

38 lines
1,007 B
C++

/*
** _StdClassImplementations
** Defines the standard implementations for a class object.
*/
#define _StdClassImplementations(Impl) \
STDMETHODIMP QueryInterface(const IID FAR& riid, void FAR* FAR* ppv); \
STDMETHODIMP_(ULONG) AddRef(); \
STDMETHODIMP_(ULONG) Release()
/* - - - - - - - - */
class FAR CAppCF : IClassFactory {
public:
static HRESULT MakeInst(const CLSID FAR& rclsid, const IID FAR& riid, void FAR* FAR* ppv);
private:
CAppCF(const CLSID FAR& rclsid, IUnknown FAR* FAR* ppUnknown);
ULONG m_refs;
public:
_StdClassImplementations(CAppCF);
STDMETHODIMP CreateInstance(IUnknown FAR* pUnknownOuter, const IID FAR& riid, void FAR* FAR* ppv);
STDMETHODIMP LockServer(BOOL fLock);
public:
CLSID m_clsid;
};
/*
** The usage counter keeps track of the overall usage of objects based on
** implementations provided by the component. This allows one to determine
** when the implementation is no longer in use.
*/
extern UINT uUseCount;
extern BOOL fLocked;