69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
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//--------------------------------------------------------------
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: dragdrop.h
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//
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// Contents: The header for dragdrop.c
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//
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// History: Feb-26-98 xiaohs created
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//
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//--------------------------------------------------------------
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#ifndef DRAGDROP_H
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#define DRAGDROP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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//==============================================================================
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// The following are used by Drag-Drop functionalities
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//==============================================================================
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#undef IToClass
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// macro to get from interface pointer to class pointer
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#define _IOffset(class, itf) ((UINT)(ULONG_PTR)&(((class *)0)->itf))
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#define IToClass(class, itf, pitf) ((class *)(((LPBYTE)pitf)-_IOffset(class, itf)))
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
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HRESULT CDataObj_CreateInstance(DWORD dwCount,
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LPWSTR *prgwszFileName,
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BYTE **prgBlob,
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DWORD *prgdwSize,
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IDataObject **ppdtobj);
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HRESULT CDropSource_CreateInstance(IDropSource **ppdsrc);
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HRESULT CertMgrUIStartDragDrop(LPNMLISTVIEW pvmn,
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HWND hwndControl,
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DWORD dwExportFormat,
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BOOL fExportChain);
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BOOL GetFileNameAndContent(LPNMLISTVIEW pvmn,
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HWND hwndControl,
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DWORD dwExportFormat,
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BOOL fExportChain,
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DWORD *pdwCount,
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LPWSTR **pprgszFileName,
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BYTE ***pprgBlob,
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DWORD **pprgdwSize);
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BOOL FreeFileNameAndContent( DWORD dwCount,
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LPWSTR *prgwszFileName,
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BYTE **prgBlob,
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DWORD *prgdwSize);
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#ifdef __cplusplus
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} // Balance extern "C" above
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#endif
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#endif //DRAGDROP_H
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