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255 lines
7.9 KiB
255 lines
7.9 KiB
/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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connect.h
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Abstract:
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defines for event/sink interface for IIS DCOM Admin.
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Author:
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Sophia Chung (sophiac) 14-Jan-97
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Revision History:
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--*/
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#if !defined(CONNECT_H)
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#define CONNECT_H
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#ifdef __cplusplus
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// Types that should be in OLE2.H
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#ifndef PPVOID
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typedef LPVOID* PPVOID;
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#endif
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enum
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{
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// A constant for the number of connections to add to the allocation
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// of the dynamic connection array.
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ALLOC_CONNECTIONS = 8,
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// The start value for the connection key (cookie) counter.
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COOKIE_START_VALUE = 500
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};
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/*O+O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O
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ObjectClass: COEnumConnectionPoints
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Summary: COM object class for enumerating the Connection Points
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offered by a connectable object.
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Interfaces: IUnknown
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Standard interface providing COM object features.
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IEnumConnectionPoints
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Interface for connection point enumeration.
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Aggregation: COEnumConnectionPoints COM Objects are not aggregatable.
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O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O-O*/
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class COEnumConnectionPoints : public IEnumConnectionPoints
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{
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public:
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// Main Object Constructor & Destructor.
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COEnumConnectionPoints(IUnknown* pHostObj);
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~COEnumConnectionPoints(void);
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// A general method for initializing this newly created object.
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// Creates any subordinate arrays, structures, or objects.
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HRESULT Init(
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ULONG cConnPts,
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IConnectionPoint** paConnPts,
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ULONG iEnumIndex);
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// IUnknown methods. Main object, non-delegating.
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STDMETHODIMP QueryInterface(REFIID, PPVOID);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IEnumConnectionPoints methods.
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STDMETHODIMP Next(ULONG, IConnectionPoint**, ULONG*);
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STDMETHODIMP Skip(ULONG);
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STDMETHODIMP Reset(void);
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STDMETHODIMP Clone(IEnumConnectionPoints**);
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private:
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// Private data of COEnumConnectionPoints COM objects.
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// Main Object reference count.
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ULONG m_cRefs;
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// IUnknown pointer to host COM object being enumerated.
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IUnknown* m_pHostObj;
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// Connection Point index variable.
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ULONG m_iEnumIndex;
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// Number of Connection Points being enumerated.
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ULONG m_cConnPts;
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// Allocated array of Connection Point interface pointers.
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IConnectionPoint** m_paConnPts;
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};
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typedef COEnumConnectionPoints* PCOEnumConnectionPoints;
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/*O+O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O
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ObjectClass: COConnectionPoint
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Summary: Connection Point COM object class. Implements a native
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IConnectionPoint interface. The Advise, Unadvise, and
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EnumConnections methods use the CThreaded OwnThis mechanism
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to provide thread-safe mutually exclusive access to this
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connection point object.
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Interfaces: IUnknown
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Standard interface providing COM object features.
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IConnectionPoint
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Interface for connection point features.
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Aggregation: COConnectionPoint COM Objects are not aggregatable.
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O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O-O*/
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class COConnectionPoint : public IConnectionPoint
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{
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public:
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// Main Object Constructor & Destructor.
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COConnectionPoint();
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~COConnectionPoint(void);
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// A general method for initializing this newly created object.
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// Creates any subordinate arrays, structures, or objects.
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HRESULT Init(IUnknown* pHostObj, REFIID riid);
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// IUnknown methods. Main object, non-delegating.
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STDMETHODIMP QueryInterface(REFIID, PPVOID);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IConnectionPoint methods.
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STDMETHODIMP GetConnectionInterface(IID*);
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STDMETHODIMP GetConnectionPointContainer(IConnectionPointContainer**);
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STDMETHODIMP Advise(IUnknown*, DWORD*);
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STDMETHODIMP Unadvise(DWORD);
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STDMETHODIMP EnumConnections(IEnumConnections**);
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// Our own methods
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STDMETHODIMP ListenersPresent(VOID);
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STDMETHODIMP Terminate(VOID);
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STDMETHODIMP Disable(VOID);
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STDMETHODIMP InternalEnumSinks(
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CONNECTDATA **prgConnections,
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ULONG *pcConnections);
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private:
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// Private utility methods of COConnectionPoint.
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STDMETHODIMP Unadvise_Worker(DWORD dwCookie);
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HRESULT GetSlot(UINT* puiFreeSlot);
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HRESULT FindSlot(DWORD dwCookie, UINT* puiSlot);
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// Private data of COConnectionPoint COM objects.
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// Used to protect access to the member data.
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CReaderWriterLock3 m_Lock;
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// IUnknown pointer to host COM object offering this connection point.
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IUnknown* m_pHostObj;
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// The IID of the sink interface associated with this connection point.
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IID m_iidSink;
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// The current number of live sink connections to this connection point.
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UINT m_cConnections;
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// The current maximum index into the dynamic connection array.
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UINT m_uiMaxIndex;
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// The dynamic array of sink connections to this connection point.
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CONNECTDATA* m_paConnections;
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// Determines whether the host object is shuting down and force terminated us
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volatile BOOL m_bTerminated;
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BOOL m_bEnabled;
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IGlobalInterfaceTable* m_pGIT;
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};
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typedef COConnectionPoint* PCOConnectionPoint;
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/*O+O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O+++O
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ObjectClass: COEnumConnections
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Summary: COM object class for enumerating the connections of a
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connection point of a connectable object.
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Interfaces: IUnknown
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Standard interface providing COM object features.
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IEnumConnections
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Interface for connection enumeration features.
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Aggregation: COEnumConnections COM Objects are not aggregatable.
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O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O---O-O*/
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class COEnumConnections : public IEnumConnections
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{
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public:
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// Main Object Constructor & Destructor.
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COEnumConnections(IUnknown* pHostObj);
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~COEnumConnections(void);
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// A general method for initializing this newly created object.
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// Creates any subordinate arrays, structures, or objects.
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HRESULT Init(
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ULONG cConnections,
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CONNECTDATA* paConnections,
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ULONG iEnumIndex,
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IGlobalInterfaceTable* pGIT = NULL
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);
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// IUnknown methods. Main object, non-delegating.
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STDMETHODIMP QueryInterface(REFIID, PPVOID);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IEnumConnections methods.
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STDMETHODIMP Next(ULONG, CONNECTDATA*, ULONG*);
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STDMETHODIMP Skip(ULONG);
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STDMETHODIMP Reset(void);
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STDMETHODIMP Clone(IEnumConnections**);
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private:
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// Private data of COEnumConnections COM objects.
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// Main Object reference count.
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ULONG m_cRefs;
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// IUnknown pointer to host connection point COM object being
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// enumerated.
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IUnknown* m_pHostObj;
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// Connection index variable.
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ULONG m_iEnumIndex;
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// Number of Connections being enumerated.
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ULONG m_cConnections;
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// Allocated array of live Connections only.
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CONNECTDATA* m_paConnections;
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};
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typedef COEnumConnections* PCOEnumConnections;
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HRESULT SetSinkCallbackSecurityBlanket(
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IUnknown * pUnkSink);
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#endif // __cplusplus
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#endif // CONNECT_H
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