62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
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/*****************************************************************************\
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FILE: ftpefe.h
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\*****************************************************************************/
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#ifndef _FTPEFE_H
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#define _FTPEFE_H
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/*****************************************************************************\
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CLASS: CFtpEfe
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DESCRIPTION:
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The stuff that tracks the state of an enumeration.
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\*****************************************************************************/
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class CFtpEfe : public IEnumFORMATETC
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{
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public:
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//////////////////////////////////////////////////////
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// Public Interfaces
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//////////////////////////////////////////////////////
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// *** IUnknown ***
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
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// *** IEnumFORMATETC ***
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virtual STDMETHODIMP Next(ULONG celt, FORMATETC * rgelt, ULONG *pceltFetched);
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virtual STDMETHODIMP Skip(ULONG celt);
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virtual STDMETHODIMP Reset(void);
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virtual STDMETHODIMP Clone(IEnumFORMATETC **ppenum);
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public:
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// Friend Functions
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friend HRESULT CFtpEfe_Create(DWORD dwSize, FORMATETC rgfe[], STGMEDIUM rgstg[], CFtpObj * pfo, IEnumFORMATETC ** ppenum);
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protected:
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// Private Member Variables
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int m_cRef;
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DWORD m_dwIndex; // Current Item in the m_hdsaFormatEtc list
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DWORD m_dwExtraIndex; // Current Item in the m_pfo->m_hdsaSetData list
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HDSA m_hdsaFormatEtc; // pointer to the array
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CFtpObj * m_pfo; // pointer to the parent IDataObject impl that has the list of extra data from ::SetData.
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CFtpEfe(DWORD dwSize, FORMATETC rgfe[], STGMEDIUM rgstg[], CFtpObj * pfo);
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CFtpEfe(DWORD dwSize, HDSA hdsaFormatEtc, CFtpObj * pfo, DWORD dwIndex);
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~CFtpEfe(void);
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// Public Member Functions
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HRESULT _NextOne(FORMATETC * pfetc);
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// Friend Functions
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friend HRESULT CFtpEfe_Create(DWORD dwSize, HDSA m_hdsaFormatEtc, DWORD dwIndex, CFtpObj * pfo, IEnumFORMATETC ** ppenum);
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friend HRESULT CFtpEfe_Create(DWORD dwSize, FORMATETC rgfe[], STGMEDIUM rgstg[], CFtpObj * pfo, CFtpEfe ** ppfefe);
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};
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#endif // _FTPEFE_H
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