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21 
22 
23 #ifndef _IDROPTARGET_HXX_
24 #define _IDROPTARGET_HXX_
25 
26 #include "target.hxx"
27 
28 class IDropTargetImpl: public IDropTarget
29 {
30     LONG m_nRefCount;
31     // Calls to IDropTarget functions are delegated to a DropTarget.
32     DropTarget& m_rDropTarget;
33 
34     virtual ~IDropTargetImpl(); // delete is only called by IUnknown::Release
35     IDropTargetImpl( const IDropTargetImpl& );
36     IDropTargetImpl& operator=( const IDropTargetImpl& );
37 public:
38     IDropTargetImpl( DropTarget& pTarget);
39 
40    	// IDropTarget
41 	virtual HRESULT STDMETHODCALLTYPE QueryInterface(
42             /* [in] */ REFIID riid,
43             /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject);
44 
45     virtual ULONG STDMETHODCALLTYPE AddRef( );
46 
47     virtual ULONG STDMETHODCALLTYPE Release( );
48 
49 	virtual HRESULT STDMETHODCALLTYPE DragEnter(
50             /* [unique][in] */ IDataObject __RPC_FAR *pDataObj,
51             /* [in] */ DWORD grfKeyState,
52             /* [in] */ POINTL pt,
53             /* [out][in] */ DWORD __RPC_FAR *pdwEffect);
54 
55 	virtual HRESULT STDMETHODCALLTYPE DragOver(
56             /* [in] */ DWORD grfKeyState,
57             /* [in] */ POINTL pt,
58             /* [out][in] */ DWORD __RPC_FAR *pdwEffect);
59 
60 	virtual HRESULT STDMETHODCALLTYPE DragLeave( ) ;
61 
62     virtual HRESULT STDMETHODCALLTYPE Drop(
63             /* [unique][in] */ IDataObject __RPC_FAR *pDataObj,
64             /* [in] */ DWORD grfKeyState,
65             /* [in] */ POINTL pt,
66             /* [out][in] */ DWORD __RPC_FAR *pdwEffect);
67 
68 
69 };
70 #endif
71