windows-nt/Source/XPSP1/NT/shell/ext/cabview/enum.h
2020-09-26 16:20:57 +08:00

57 lines
1.2 KiB
C++

//*******************************************************************************************
//
// Filename : Enum.h
//
// Definition of CEnumCabObjs
//
// Copyright (c) 1994 - 1996 Microsoft Corporation. All rights reserved
//
//*******************************************************************************************
#ifndef _ENUM_H_
#define _ENUM_H_
#include "folder.h"
// Enumeration object for the CabFolder
class CEnumCabObjs : public IEnumIDList
{
public:
CEnumCabObjs(CCabFolder *pcf, DWORD uFlags) : m_iCount(0)
{
m_uFlags = uFlags;
m_pcfThis=pcf;
pcf->AddRef();
}
~CEnumCabObjs()
{
m_pcfThis->Release();
}
// *** IUnknown methods ***
STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// *** IEnumIDList methods ***
STDMETHODIMP Next(ULONG celt,
LPITEMIDLIST *rgelt,
ULONG *pceltFetched);
STDMETHODIMP Skip(ULONG celt);
STDMETHODIMP Reset();
STDMETHODIMP Clone(IEnumIDList **ppenum);
private:
CRefDll m_cRefDll;
CRefCount m_cRef;
CCabFolder *m_pcfThis;
UINT m_iCount;
DWORD m_uFlags;
} ;
#endif // _ENUM_H_