89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1993.
|
|
//
|
|
// File: ofspse.hxx
|
|
//
|
|
// Contents: COfsPropSetEnum header
|
|
//
|
|
// Classes: COfsPropSetEnum
|
|
//
|
|
// History: 10-Jun-93 DrewB Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#ifndef __OFSPSE_HXX__
|
|
#define __OFSPSE_HXX__
|
|
|
|
#include <otrack.hxx>
|
|
#include <dfmem.hxx>
|
|
#include <ntsupp.hxx>
|
|
#include <safepnt.hxx>
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: COfsPropSetEnum (opse)
|
|
//
|
|
// Purpose: Property set enumerator for OFS
|
|
//
|
|
// Interface: IEnumSTATPROPSETSTG
|
|
//
|
|
// History: 10-Jun-93 DrewB Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
interface COfsPropSetEnum
|
|
: INHERIT_TRACKING,
|
|
public IEnumSTATPROPSETSTG
|
|
{
|
|
public:
|
|
COfsPropSetEnum(void);
|
|
SCODE InitFromHandle(HANDLE h, ULONG key);
|
|
~COfsPropSetEnum(void);
|
|
|
|
// IUnknown
|
|
STDMETHOD(QueryInterface)(REFIID iid, void **ppvObj);
|
|
DECLARE_STD_REFCOUNTING;
|
|
|
|
// IEnumSTATPROPSETSTG
|
|
STDMETHOD(Next)(ULONG celt,
|
|
STATPROPSETSTG FAR *rgelt,
|
|
ULONG *pceltFetched);
|
|
STDMETHOD(Skip)(ULONG celt);
|
|
STDMETHOD(Reset)(void);
|
|
STDMETHOD(Clone)(IEnumSTATPROPSETSTG **ppenm);
|
|
|
|
private:
|
|
inline SCODE Validate(void) const;
|
|
|
|
ULONG _sig;
|
|
NuSafeNtHandle _h;
|
|
ULONG _key;
|
|
};
|
|
|
|
SAFE_INTERFACE_PTR(SafeCOfsPropSetEnum, COfsPropSetEnum);
|
|
|
|
#define COFSPROPSETENUM_SIG LONGSIG('O', 'P', 'S', 'E')
|
|
#define COFSPROPSETENUM_SIGDEL LONGSIG('O', 'p', 'S', 'e')
|
|
|
|
//+--------------------------------------------------------------
|
|
//
|
|
// Member: COfsPropSetEnum::Validate, public
|
|
//
|
|
// Synopsis: Validates the signature
|
|
//
|
|
// Returns: Returns STG_E_INVALIDHANDLE if the signature doesn't match
|
|
//
|
|
// History: 12-Mar-92 DrewB Created
|
|
//
|
|
//---------------------------------------------------------------
|
|
|
|
inline SCODE COfsPropSetEnum::Validate(void) const
|
|
{
|
|
return (this == NULL || _sig != COFSPROPSETENUM_SIG) ?
|
|
STG_E_INVALIDHANDLE : S_OK;
|
|
}
|
|
|
|
#endif // #ifndef __OFSPSE_HXX__
|