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/ Tricks of the Windows Gam…ming Gurus (2nd Edition) / Disc2.iso / msdn_vcb / samples / vc98 / sdk / com / inole2 / interfac / idataobj.h < prev    next >
C/C++ Source or Header  |  1996-05-21  |  2KB  |  54 lines
  1. /*
  2.  * IDATAOBJ.H
  3.  *
  4.  * Definitions of a template IDataObject interface implementation.
  5.  *
  6.  * Copyright (c)1993-1995 Microsoft Corporation, All Right Reserved
  7.  *
  8.  * Kraig Brockschmidt, Microsoft
  9.  * Internet  :  kraigb@microsoft.com
  10.  * Compuserve:  >INTERNET:kraigb@microsoft.com
  11.  */
  12.  
  13.  
  14. #ifndef _IDATAOBJ_H_
  15. #define _IDATAOBJ_H_
  16.  
  17. #include <inole.h>
  18.  
  19. class CImpIDataObject;
  20. typedef class CImpIDataObject *PCImpIDataObject;
  21.  
  22. class CImpIDataObject : public IDataObject
  23.     {
  24.     private:
  25.         ULONG           m_cRef;      //Interface reference count
  26.         LPVOID          m_pObj;      //Backpointer to the object
  27.         LPUNKNOWN       m_pUnkOuter; //For delegation
  28.  
  29.     public:
  30.         CImpIDataObject(LPVOID, LPUNKNOWN);
  31.         ~CImpIDataObject(void);
  32.  
  33.         //IUnknown members that delegate to m_pUnkOuter.
  34.         STDMETHODIMP         QueryInterface(REFIID, LPVOID *);
  35.         STDMETHODIMP_(ULONG) AddRef(void);
  36.         STDMETHODIMP_(ULONG) Release(void);
  37.  
  38.         //IDataObject members
  39.         STDMETHODIMP GetData(LPFORMATETC, LPSTGMEDIUM);
  40.         STDMETHODIMP GetDataHere(LPFORMATETC, LPSTGMEDIUM);
  41.         STDMETHODIMP QueryGetData(LPFORMATETC);
  42.         STDMETHODIMP GetCanonicalFormatEtc(LPFORMATETC
  43.             , LPFORMATETC);
  44.         STDMETHODIMP SetData(LPFORMATETC, LPSTGMEDIUM, BOOL);
  45.         STDMETHODIMP EnumFormatEtc(DWORD, LPENUMFORMATETC *);
  46.         STDMETHODIMP DAdvise(LPFORMATETC, DWORD
  47.             ,  LPADVISESINK, DWORD *);
  48.         STDMETHODIMP DUnadvise(DWORD);
  49.         STDMETHODIMP EnumDAdvise(LPENUMSTATDATA *);
  50.     };
  51.  
  52.  
  53. #endif //_IDATAOBJ_H_
  54.