32 lines
820 B
C++
32 lines
820 B
C++
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class CDUIDropTarget:
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public IDropTarget
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{
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protected:
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ULONG _cRef;
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IDropTarget * _pDT;
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IDropTarget * _pNextDT;
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public:
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CDUIDropTarget();
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// IUnknown methods
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STDMETHODIMP QueryInterface(REFIID, LPVOID *);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IDropTarget methods
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STDMETHODIMP DragEnter(IDataObject *pDataObj, DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect);
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STDMETHODIMP DragOver(DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect);
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STDMETHODIMP DragLeave(void);
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STDMETHODIMP Drop(IDataObject *pDataObj, DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect);
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HRESULT Initialize (LPITEMIDLIST pidl, HWND hWnd, IDropTarget **pdt);
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private:
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~CDUIDropTarget();
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VOID _Cleanup();
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};
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