97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/*++
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© 1998 Seagate Software, Inc. All rights reserved
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Module Name:
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wsbenum.h
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Abstract:
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These classes provides enumerators (iterators) for the collection classes.
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Author:
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Chuck Bardeen [cbardeen] 29-Oct-1996
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Revision History:
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--*/
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#include "resource.h" // main symbols
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#if !defined WSBENUM_INCL
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#define WSBENUM_INCL
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class CWsbIndexedEnum :
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public IEnumUnknown,
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public IWsbEnum,
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public IWsbEnumEx,
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public CComObjectRoot,
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public CComCoClass<CWsbIndexedEnum,&CLSID_CWsbIndexedEnum>
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{
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public:
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CWsbIndexedEnum() {}
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BEGIN_COM_MAP(CWsbIndexedEnum)
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COM_INTERFACE_ENTRY(IWsbEnum)
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COM_INTERFACE_ENTRY(IWsbEnumEx)
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COM_INTERFACE_ENTRY(IEnumUnknown)
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END_COM_MAP()
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DECLARE_REGISTRY_RESOURCEID(IDR_CWsbIndexedEnum)
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// CComObjectRoot
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public:
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STDMETHOD(FinalConstruct)(void);
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// IWsbEnum
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public:
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STDMETHOD(First)(REFIID riid, void** ppElement);
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STDMETHOD(Next)(REFIID riid, void** ppElement);
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STDMETHOD(This)(REFIID riid, void** ppElement);
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STDMETHOD(Previous)(REFIID riid, void** ppElement);
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STDMETHOD(Last)(REFIID riid, void** ppElement);
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STDMETHOD(FindNext)(IUnknown* pCollectable, REFIID riid, void** ppElement);
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STDMETHOD(Find)(IUnknown* pCollectable, REFIID riid, void** ppElements);
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STDMETHOD(FindPrevious)(IUnknown* pCollectable, REFIID riid, void** ppElement);
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STDMETHOD(SkipToFirst)(void);
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STDMETHOD(SkipNext)(ULONG element);
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STDMETHOD(SkipTo)(ULONG index);
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STDMETHOD(SkipPrevious)(ULONG element);
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STDMETHOD(SkipToLast)(void);
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STDMETHOD(Init)(IWsbCollection* pCollection);
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STDMETHOD(Clone)(IWsbEnum** ppEnum);
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// IWsbEnumEx
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public:
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STDMETHOD(First)(ULONG element, REFIID riid, void** elements, ULONG* pElementsFetched);
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STDMETHOD(Next)(ULONG element, REFIID riid, void** elements, ULONG* pElementsFetched);
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STDMETHOD(This)(ULONG element, REFIID riid, void** elements, ULONG* pElementsFetched);
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STDMETHOD(Previous)(ULONG element, REFIID riid, void** elements, ULONG* pElementsFetched);
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STDMETHOD(Last)(ULONG element, REFIID riid, void** elements, ULONG* pElementsFetched);
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STDMETHOD(FindNext)(IUnknown* pCollectable, ULONG element, REFIID riid, void** elements, ULONG* elementsFetched);
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STDMETHOD(Find)(IUnknown* pCollectable, ULONG element, REFIID riid, void** elements, ULONG* elementsFetched);
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STDMETHOD(FindPrevious)(IUnknown* pCollectable, ULONG element, REFIID riid, void** elements, ULONG* elementsFetched);
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STDMETHOD(Clone)(IWsbEnumEx** ppEnum);
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// IEnumUnknown
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public:
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STDMETHOD(Next)(ULONG element, IUnknown** elements, ULONG* pElementsFetched);
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STDMETHOD(Skip)(ULONG element);
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STDMETHOD(Clone)(IEnumUnknown** ppEnum);
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// Shared
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public:
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STDMETHOD(Reset)(void);
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protected:
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CComPtr<IWsbIndexedCollection> m_pCollection;
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ULONG m_currentIndex;
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};
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#endif |