dataobject.h

来自「ftpserver very good sample」· C头文件 代码 · 共 133 行

/** 
*/

#ifndef CDataObject_h
#define CDataObject_h

/* SYSTEM INCLUDES */


/* PROJECT INCLUDES */

#ifndef CDELEGATION_BASE_H
#   include "DelegationBase.h"
#endif

/* LOCAL INCLUDES */


/* FORWARD REFERENCES */



#ifdef __cplusplus
extern "C" 
{
#endif
/****************** BEGIN OLD STYLE C spesific ********/


/****************** END OLD STYLE C spesific **********/
#ifdef __cplusplus 
}
#endif

/****************** BEGIN C++ spesific ****************/

#ifdef __cplusplus

class CDataObject : public IDataObject
{
public:
    // LIFECYCLE

    CDataObject(MMC_COOKIE cookie, DATA_OBJECT_TYPES context);
    ~CDataObject();

    // OPERATORS
    // OPERATIONS

     ///////////////////////////////
    // Interface IUnknown
    ///////////////////////////////
    STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppv);
    STDMETHODIMP_(ULONG) AddRef();
    STDMETHODIMP_(ULONG) Release();
    
    ///////////////////////////////
    // IDataObject methods 
    ///////////////////////////////
    STDMETHODIMP GetDataHere (FORMATETC *pformatetc, STGMEDIUM *pmedium);
    
    // The rest are not implemented
    STDMETHODIMP GetData (LPFORMATETC lpFormatetcIn, LPSTGMEDIUM lpMedium)
    { return E_NOTIMPL; };
    
    STDMETHODIMP EnumFormatEtc (DWORD dwDirection, LPENUMFORMATETC* ppEnumFormatEtc)
    { return E_NOTIMPL; };
    
    STDMETHODIMP QueryGetData (LPFORMATETC lpFormatetc) 
    { return E_NOTIMPL; };
    
    STDMETHODIMP GetCanonicalFormatEtc (LPFORMATETC lpFormatetcIn, LPFORMATETC lpFormatetcOut)
    { return E_NOTIMPL; };
    
    STDMETHODIMP SetData (LPFORMATETC lpFormatetc, LPSTGMEDIUM lpMedium, BOOL bRelease)
    { return E_NOTIMPL; };
    
    STDMETHODIMP DAdvise (LPFORMATETC lpFormatetc, DWORD advf, LPADVISESINK pAdvSink, LPDWORD pdwConnection)
    { return E_NOTIMPL; };
    
    STDMETHODIMP DUnadvise (DWORD dwConnection)
    { return E_NOTIMPL; };
    
    STDMETHODIMP EnumDAdvise (LPENUMSTATDATA* ppEnumAdvise)
    { return E_NOTIMPL; };
    
    ///////////////////////////////
    // Custom Methods
    ///////////////////////////////
    
    CDelegationBase *GetBaseNodeObject() 
    {
        return (CDelegationBase *)m_lCookie;
    }
    
    DATA_OBJECT_TYPES GetContext() 
    {
        return m_context;
    }

    // CALLBACK
    // ACCESS
    // INQUIRY
    // PUBLIC PROPERTIES

    // clipboard formats
    static UINT s_cfSZNodeType;
    static UINT s_cfDisplayName;
    static UINT s_cfNodeType;
    static UINT s_cfSnapinClsid;
    static UINT s_cfInternal;
protected:
private:
    ULONG m_cref;
    MMC_COOKIE m_lCookie;
    DATA_OBJECT_TYPES m_context;
};

/* INLINE METHODS */

/* EXTERNAL REFERENCES */

HRESULT ExtractFromDataObject(IDataObject *lpDataObject,UINT cf,ULONG cb,HGLOBAL *phGlobal);
CDataObject* GetOurDataObject(IDataObject *lpDataObject);
BOOL IsMMCMultiSelectDataObject(IDataObject *lpDataObject);

#endif /* __cplusplus */

/****************** END C++ spesific ******************/

#endif  /* CDataObject_h_ */