ENUMIDL.H

/************************************************************************** 
   THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
   ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
   THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
   PARTICULAR PURPOSE. 
 
   Copyright 1997 Microsoft Corporation.  All Rights Reserved. 
**************************************************************************/ 
 
/************************************************************************** 
 
   File:          EnumIDL.h 
    
   Description:   CEnumIDList definitions. 
 
**************************************************************************/ 
 
#ifndef ENUMIDLIST_H 
#define ENUMIDLIST_H 
 
#include <windows.h> 
#include <shlobj.h> 
 
#include "PidlMgr.h" 
#include "Utility.h" 
 
/************************************************************************** 
   structure defintions 
**************************************************************************/ 
 
typedef struct tagENUMLIST 
   { 
   struct tagENUMLIST   *pNext; 
   LPITEMIDLIST         pidl; 
   }ENUMLIST, FAR *LPENUMLIST; 
 
/************************************************************************** 
   global variables 
**************************************************************************/ 
 
extern HINSTANCE  g_hInst; 
extern UINT       g_DllRefCount; 
 
/************************************************************************** 
 
   CEnumIDList class definition 
 
**************************************************************************/ 
 
class CEnumIDList : public IEnumIDList 
{ 
protected: 
   DWORD m_ObjRefCount; 
    
public: 
   CEnumIDList(HKEY, LPCTSTR, DWORD, HRESULT*); 
   ~CEnumIDList(); 
    
   //IUnknown methods 
   STDMETHOD (QueryInterface)(REFIID, LPVOID*); 
   STDMETHOD_ (DWORD, AddRef)(); 
   STDMETHOD_ (DWORD, Release)(); 
    
   //IEnumIDList 
   STDMETHOD (Next) (DWORD, LPITEMIDLIST*, LPDWORD); 
   STDMETHOD (Skip) (DWORD); 
   STDMETHOD (Reset) (void); 
   STDMETHOD (Clone) (LPENUMIDLIST*); 
    
private: 
   BOOL CreateEnumList(HKEY, LPCTSTR, DWORD); 
   BOOL AddToEnumList(LPITEMIDLIST); 
   BOOL DeleteList(void); 
 
private: 
   LPMALLOC m_pMalloc; 
   LPENUMLIST m_pFirst; 
   LPENUMLIST m_pLast; 
   LPENUMLIST m_pCurrent; 
   LPPIDLMGR  m_pPidlMgr; 
}; 
 
#endif   //ENUMIDLIST_H