windows-xp/Source/XPSP1/NT/base/cluster/mgmt/cluscfg/middletier/connpointenum.h

//////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2000 Microsoft Corporation
//
//  Module Name:
//      ConnPointEnum.h
//
//  Description:
//      Connection Point Enumerator implementation.
//
//  Maintained By:
//      Geoffrey Pease (GPease) 04-AUG-2000
//
//////////////////////////////////////////////////////////////////////////////

#pragma once

class CNotificationManager;

//  Link list of connection points
typedef struct _SCPEntry {
    struct _SCPEntry *  pNext;  //  Next item in list
    CLSID               iid;    //  Interface ID
    IUnknown *          punk;   //  Punk to object
} SCPEntry;

// ConnPointEnum
class 
CConnPointEnum:
    public IEnumConnectionPoints
{
friend class CNotificationManager;
private:
    // IUnknown
    LONG            m_cRef;

    // IEnumConnectionPoints
    SCPEntry *      m_pCPList;      //  List of connection points
    SCPEntry *      m_pIter;        //  Iter - don't free

private: // Methods
    CConnPointEnum( );
    ~CConnPointEnum();
    STDMETHOD(Init)( );

    HRESULT
        HrCopy( CConnPointEnum * pECPIn );
    HRESULT
        HrAddConnection( REFIID riidIn, IUnknown * punkIn );

public: // Methods
    static HRESULT
        S_HrCreateInstance( IUnknown ** ppunkOut );

    // IUnknown
    STDMETHOD(QueryInterface)( REFIID riid, LPVOID *ppv );
    STDMETHOD_(ULONG, AddRef)(void);
    STDMETHOD_(ULONG, Release)(void);

    // IEnumConnectionPoints
    STDMETHOD( Next )( ULONG cConnections, LPCONNECTIONPOINT *ppCP, ULONG *pcFetched );
    STDMETHOD( Skip )( ULONG cConnections );
    STDMETHOD( Reset )( void );
    STDMETHOD( Clone )( IEnumConnectionPoints **ppEnum );

}; // class CConnPointEnum