IDATAOBJ.H

/* 
* IDATAOBJ.H
*
* Definitions of a template IDataObject interface implementation.
*
* Copyright (c)1993-1996 Microsoft Corporation, All Right Reserved
*
* Kraig Brockschmidt, Software Design Engineer
* Microsoft Systems Developer Relations
*
* Internet : kraigb@microsoft.com
* Compuserve: >INTERNET:kraigb@microsoft.com
*/


#ifndef _IDATAOBJ_H_
#define _IDATAOBJ_H_

class CImpIDataObject;
typedef class CImpIDataObject *PIMPIDATAOBJECT;

class CImpIDataObject : public IDataObject
{
private:
ULONG m_cRef; //Interface reference count
LPVOID m_pObj; //Back pointer to the object
LPUNKNOWN m_pUnkOuter; //For delegation

public:
CImpIDataObject(LPVOID, LPUNKNOWN);
~CImpIDataObject(void);

//IUnknown members that delegate to m_pUnkOuter.
STDMETHODIMP QueryInterface(REFIID, LPVOID *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

//IDataObject members
STDMETHODIMP GetData(LPFORMATETC, LPSTGMEDIUM);
STDMETHODIMP GetDataHere(LPFORMATETC, LPSTGMEDIUM);
STDMETHODIMP QueryGetData(LPFORMATETC);
STDMETHODIMP GetCanonicalFormatEtc(LPFORMATETC
, LPFORMATETC);
STDMETHODIMP SetData(LPFORMATETC, LPSTGMEDIUM, BOOL);
STDMETHODIMP EnumFormatEtc(DWORD, LPENUMFORMATETC *);
STDMETHODIMP DAdvise(LPFORMATETC, DWORD
, LPADVISESINK, DWORD *);
STDMETHODIMP DUnadvise(DWORD);
STDMETHODIMP EnumDAdvise(LPENUMSTATDATA *);
};


#endif //_IDATAOBJ_H_