windows-nt/Source/XPSP1/NT/com/ole32/stg/ref/dfbasis.hxx
2020-09-26 16:20:57 +08:00

107 lines
2.2 KiB
C++

#ifndef _DFBASIS_HXX_
#define _DFBASIS_HXX_
//+--------------------------------------------------------------
//
// Class: CDFBasis (dfb)
//
// Purpose: Defines base variables for sharing between exposed
// DocFiles
//
//---------------------------------------------------------------
#include "h/ole.hxx"
interface CExposedDocFile;
class CDFBasis
{
public:
inline CDFBasis();
inline ~CDFBasis();
inline CExposedDocFile* GetCopyBase(void);
inline void SetCopyBase(CExposedDocFile *pdf);
inline void AddRef();
inline void Release();
private:
CExposedDocFile* _pdfCopyBase;
ULONG _ulRef;
};
//+--------------------------------------------------------------
//
// Member: CDFBasis::CDFBasis, public
//
//---------------------------------------------------------------
inline CDFBasis::CDFBasis(void)
{
_pdfCopyBase=NULL;
_ulRef= 0;
}
//+--------------------------------------------------------------
//
// Member: CDFBasis::~CDFBasis, public
//
//---------------------------------------------------------------
inline CDFBasis::~CDFBasis(void)
{
}
//+--------------------------------------------------------------
//
// Member: CDFBasis::GetCopyBase, public
//
// Synopsis: Returns _pdfCopyBase
//
//---------------------------------------------------------------
inline CExposedDocFile *CDFBasis::GetCopyBase(void)
{
return _pdfCopyBase;
}
//+--------------------------------------------------------------
//
// Member: CDFBasis::SetCopyBase, public
//
// Synopsis: Sets _pdfCopyBase
//
//---------------------------------------------------------------
inline void CDFBasis::SetCopyBase(CExposedDocFile *pdf)
{
_pdfCopyBase = pdf;
}
//+--------------------------------------------------------------
//
// Member: CDFBasis::AddRef, Public
//
//---------------------------------------------------------------
inline void CDFBasis::AddRef()
{
_ulRef++;
}
//+--------------------------------------------------------------
//
// Member: CDFBasis::SetCopyBase, public
//
//---------------------------------------------------------------
inline void CDFBasis::Release()
{
_ulRef--;
olAssert(_ulRef>=0);
if (_ulRef==0)
delete this;
}
#endif // #ifndef _DFBASIS_HXX_