59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
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//+-------------------------------------------------------------------
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//
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// File: stdcf.hxx
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//
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// Contents: class implementing standard CF for internal OLE classes
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//
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// Classes: CStdClassFactory
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//
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// History: Rickhi 06-24-97 Created
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//
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//+-------------------------------------------------------------------
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#ifndef __STDCLASSFACTORY_HXX__
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#define __STDCLASSFACTORY_HXX__
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// CreateInstance function ptr definition
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typedef HRESULT (* LPFNCREATEINSTANCE)(IUnknown* pUnkOuter,
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REFIID riid, void** ppv);
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//+----------------------------------------------------------------
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//
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// Class: CStdClassFactory
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//
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// Purpose: The standard implementation of class factory object
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// for internal OLE classes.
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//
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// History: Rickhi 06-24-97 Created
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//
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// Notes: This class should be used whenever you need to have
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// a class factory object for any class implemented by
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// OLE32. Simply pass a creation function ptr to the ctor.
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// When ICF::CI is called, it will delegate to your
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// creation function.
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//
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//-----------------------------------------------------------------
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class CStdClassFactory : public IClassFactory
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{
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public:
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// Constructor
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CStdClassFactory(DWORD dwIndex)
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: _cRefs(1), _dwIndex(dwIndex) {}
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// IUnknown methods
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STDMETHOD (QueryInterface) (REFIID riid, void **ppv);
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STDMETHOD_(ULONG,AddRef) (void);
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STDMETHOD_(ULONG,Release) (void);
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// IClassFactory methods
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STDMETHOD (CreateInstance)(IUnknown *pUnkOuter, REFIID riid, void **ppv);
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STDMETHOD (LockServer) (BOOL fLock) { return S_OK; }
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private:
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ULONG _cRefs; // CF reference count
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DWORD _dwIndex; // index of entry in global class table
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};
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#endif // __STDCLASSFACTORY_HXX__
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