Source code of Windows XP (NT5)
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36 lines
1.3 KiB

// implements the dataobject for a deskbar band
extern UINT g_cfDeskBand;
extern UINT g_cfDeskBandState;
class CBandDataObject : public IDataObject
{
public:
// *** IUnknown ***
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
virtual STDMETHODIMP_(ULONG) AddRef(void);
virtual STDMETHODIMP_(ULONG) Release(void);
// IDataObject methods
STDMETHODIMP GetData(FORMATETC *pfmtetcIn, STGMEDIUM *pstgmed);
STDMETHODIMP GetDataHere(FORMATETC *pfmtetc, STGMEDIUM *pstgpmed);
STDMETHODIMP QueryGetData(FORMATETC *pfmtetc);
STDMETHODIMP GetCanonicalFormatEtc(FORMATETC *pfmtetcIn, FORMATETC *pfmtetcOut);
STDMETHODIMP SetData(FORMATETC *pfmtetc, STGMEDIUM *pstgmed, BOOL bRelease);
STDMETHODIMP EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppienumFormatEtc);
STDMETHODIMP DAdvise(FORMATETC *pfmtetc, DWORD dwAdviseFlags, IAdviseSink * piadvsink, PDWORD pdwConnection);
STDMETHODIMP DUnadvise(DWORD dwConnection);
STDMETHODIMP EnumDAdvise(IEnumSTATDATA **ppienumStatData);
CBandDataObject();
HRESULT Init(IUnknown* punkBand, IBandSite *pbs, DWORD dwBandID);
protected:
~CBandDataObject();
ULONG _cRef;
IStream* _pstm; // band state (IPS::Save)
DWORD _dwState; // band's bandsite state (DWORD *)
};