//------------------------------------------------------------------------------ // $Workfile: DataHandler.h $ // $Header: $ // // Copyright � 2008 SbjCat // All rights reserved. // // // *** Authors *** // Steve Johnson // // $Revision: $ // //----------------------------------------------------------------------------- #pragma once namespace SbjCore { namespace DragNDrop { class DropTarget; struct DataHandlerImpl; class AFX_EXT_CLASS DataHandler { public: DataHandler(CLIPFORMAT cf = CF_TEXT, DropTarget* pDropTarget = NULL); virtual ~DataHandler(); public: CLIPFORMAT GetCF(); bool Handle(COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint pt); DROPEFFECT GetDropEffect(COleDataObject* pDataObject, DWORD dwKeyState, CPoint pt); private: virtual bool OnHandle(COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint pt) = 0; protected: virtual DROPEFFECT OnGetDropEffect(COleDataObject* pDataObject, DWORD dwKeyState, CPoint pt); private: struct DataHandlerImpl* const m_pImpl; }; } } //*** Modification History *** // $Log: $
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Math Primers for Programmers