55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
|
/*
|
||
|
|
* EnumFormatEtc.h
|
||
|
|
* Data Object Chapter 10
|
||
|
|
*
|
||
|
|
* Standard implementation of a FORMATETC enumerator with the
|
||
|
|
* IEnumFORMATETC interface that will generally not need
|
||
|
|
* modification.
|
||
|
|
*
|
||
|
|
* Copyright (C)1993-1995 Microsoft Corporation, All Rights Reserved
|
||
|
|
*
|
||
|
|
* Kraig Brockschmidt, Microsoft
|
||
|
|
* Internet : kraigb@microsoft.com
|
||
|
|
* Compuserve: >INTERNET:kraigb@microsoft.com
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if !defined(_IAS_ENUM_FORMAT_ETC_H_)
|
||
|
|
#define _IAS_ENUM_FORMAT_ETC_H_
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* IEnumFORMATETC object that is created from
|
||
|
|
* IDataObject::EnumFormatEtc. This object lives on its own.
|
||
|
|
*/
|
||
|
|
|
||
|
|
class CEnumFormatEtc : public IEnumFORMATETC
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
ULONG m_cRef; //Object reference count
|
||
|
|
ULONG m_iCur; //Current element.
|
||
|
|
ULONG m_cfe; //Number of FORMATETCs in us
|
||
|
|
LPFORMATETC m_prgfe; //Source of FORMATETCs
|
||
|
|
|
||
|
|
public:
|
||
|
|
CEnumFormatEtc(ULONG, LPFORMATETC);
|
||
|
|
~CEnumFormatEtc(void);
|
||
|
|
|
||
|
|
//IUnknown members
|
||
|
|
STDMETHODIMP QueryInterface(REFIID, VOID **);
|
||
|
|
STDMETHODIMP_(ULONG) AddRef(void);
|
||
|
|
STDMETHODIMP_(ULONG) Release(void);
|
||
|
|
|
||
|
|
//IEnumFORMATETC members
|
||
|
|
STDMETHODIMP Next(ULONG, LPFORMATETC, ULONG *);
|
||
|
|
STDMETHODIMP Skip(ULONG);
|
||
|
|
STDMETHODIMP Reset(void);
|
||
|
|
STDMETHODIMP Clone(IEnumFORMATETC **);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
typedef CEnumFormatEtc *PCEnumFormatEtc;
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _IAS_ENUM_FORMAT_ETC_H_
|