209 lines
8.1 KiB
C
209 lines
8.1 KiB
C
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/*****************************************************************************\
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* *
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* custcntl.h - Custom Control Library header file *
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* *
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* Copyright (c) 1992-1993, Microsoft Corp. All rights reserved *
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* *
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\*****************************************************************************/
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#ifndef _INC_CUSTCNTL
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#define _INC_CUSTCNTL
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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/*
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* General size defines.
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*/
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#define CCHCCCLASS 32 // Max chars in a class name.
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#define CCHCCDESC 32 // Max chars in a control description.
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#define CCHCCTEXT 256 // Max chars in a text field.
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/*
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* CCSTYLE - Custom Control Style structure. This structure is passed
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* tp the Custom Control Style function when the user wants to edit the
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* styles of the custom control.
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*/
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typedef struct tagCCSTYLEA {
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DWORD flStyle; // Style of the control.
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DWORD flExtStyle; // Extended style of the control.
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CHAR szText[CCHCCTEXT]; // Text of the control.
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LANGID lgid; // Language Id of the control's dialog.
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WORD wReserved1; // Reserved value. Do not change.
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} CCSTYLEA, *LPCCSTYLEA;
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typedef struct tagCCSTYLEW {
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DWORD flStyle; // Style of the control.
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DWORD flExtStyle; // Extended style of the control.
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WCHAR szText[CCHCCTEXT]; // Text of the control.
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LANGID lgid; // Language Id of the control's dialog.
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WORD wReserved1; // Reserved value. Do not change.
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} CCSTYLEW, *LPCCSTYLEW;
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#ifdef UNICODE
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#define CCSTYLE CCSTYLEW
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#define LPCCSTYLE LPCCSTYLEW
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#else
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#define CCSTYLE CCSTYLEA
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#define LPCCSTYLE LPCCSTYLEA
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#endif // UNICODE
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/*
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* The Style function prototype. This will be called when the user
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* wants to edit the styles of a custom control. It should display a
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* dialog to edit the styles, update the styles in the pccs structure,
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* then return TRUE for success. If an error occurs or the user
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* cancels the dialog, FALSE should be returned.
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*/
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typedef BOOL (CALLBACK* LPFNCCSTYLEA)(HWND hwndParent, LPCCSTYLEA pccs);
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typedef BOOL (CALLBACK* LPFNCCSTYLEW)(HWND hwndParent, LPCCSTYLEW pccs);
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#ifdef UNICODE
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#define LPFNCCSTYLE LPFNCCSTYLEW
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#else
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#define LPFNCCSTYLE LPFNCCSTYLEA
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#endif // UNICODE
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/*
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* The SizeToText function prototype. This will be called if the user
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* requests that the custom control be sized to fit it's text. It
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* should use the specified styles, text and font to determine how
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* large the control must be to accommodate the text, then return this
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* value in pixels. The value of -1 should be returned if an error
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* occurs.
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*/
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typedef INT (CALLBACK* LPFNCCSIZETOTEXTA)(DWORD flStyle, DWORD flExtStyle,
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HFONT hfont, LPSTR pszText);
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typedef INT (CALLBACK* LPFNCCSIZETOTEXTW)(DWORD flStyle, DWORD flExtStyle,
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HFONT hfont, LPWSTR pszText);
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#ifdef UNICODE
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#define LPFNCCSIZETOTEXT LPFNCCSIZETOTEXTW
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#else
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#define LPFNCCSIZETOTEXT LPFNCCSIZETOTEXTA
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#endif // UNICODE
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/*
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* CCSTYLEFLAG - Custom Control Style Flag structure. A table of these
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* structures is used to specify the define strings that match the
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* different styles for a custom control.
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*/
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typedef struct tagCCSTYLEFLAGA {
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DWORD flStyle; // Style bits for this style.
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DWORD flStyleMask; // Mask for the style. Can be zero.
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LPSTR pszStyle; // Points to the style define string.
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} CCSTYLEFLAGA, *LPCCSTYLEFLAGA;
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typedef struct tagCCSTYLEFLAGW {
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DWORD flStyle; // Style bits for this style.
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DWORD flStyleMask; // Mask for the style. Can be zero.
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LPWSTR pszStyle; // Points to the style define string.
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} CCSTYLEFLAGW, *LPCCSTYLEFLAGW;
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#ifdef UNICODE
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#define CCSTYLEFLAG CCSTYLEFLAGW
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#define LPCCSTYLEFLAG LPCCSTYLEFLAGW
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#else
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#define CCSTYLEFLAG CCSTYLEFLAGA
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#define LPCCSTYLEFLAG LPCCSTYLEFLAGA
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#endif // UNICODE
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/*
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* CCF_* defines. These flags are used for the flOptions field of the
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* CCINFO structure, and describe some basic characteristics of the
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* custom control.
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*/
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#define CCF_NOTEXT 0x00000001 // Control cannot have text.
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/*
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* CCINFO - Custom Control Info structure. This structure provides
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* the dialog editor with information about the control types that the
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* DLL supports.
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*/
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typedef struct tagCCINFOA {
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CHAR szClass[CCHCCCLASS]; // Class name for the control.
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DWORD flOptions; // Option flags (CCF_* defines).
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CHAR szDesc[CCHCCDESC]; // Short, descriptive text for the ctrl.
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UINT cxDefault; // Default width (in dialog units).
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UINT cyDefault; // Default height (in dialog units).
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DWORD flStyleDefault; // Default style (WS_CHILD | WS_VISIBLE).
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DWORD flExtStyleDefault; // Default extended style.
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DWORD flCtrlTypeMask; // Mask for control type styles.
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CHAR szTextDefault[CCHCCTEXT]; // Default text.
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INT cStyleFlags; // Entries in the following style table.
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LPCCSTYLEFLAGA aStyleFlags; // Points to style flag table.
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LPFNCCSTYLEA lpfnStyle; // Pointer to the Styles function.
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LPFNCCSIZETOTEXTA lpfnSizeToText; // Pointer to the SizeToText function.
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DWORD dwReserved1; // Reserved. Must be zero.
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DWORD dwReserved2; // Reserved. Must be zero.
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} CCINFOA, *LPCCINFOA;
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typedef struct tagCCINFOW {
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WCHAR szClass[CCHCCCLASS]; // Class name for the control.
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DWORD flOptions; // Option flags (CCF_* defines).
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WCHAR szDesc[CCHCCDESC]; // Short, descriptive text for the ctrl.
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UINT cxDefault; // Default width (in dialog units).
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UINT cyDefault; // Default height (in dialog units).
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DWORD flStyleDefault; // Default style (WS_CHILD | WS_VISIBLE).
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DWORD flExtStyleDefault; // Default extended style.
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DWORD flCtrlTypeMask; // Mask for control type styles.
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INT cStyleFlags; // Entries in the following style table.
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LPCCSTYLEFLAGW aStyleFlags; // Points to style flag table.
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WCHAR szTextDefault[CCHCCTEXT]; // Default text.
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LPFNCCSTYLEW lpfnStyle; // Pointer to the Styles function.
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LPFNCCSIZETOTEXTW lpfnSizeToText; // Pointer to the SizeToText function.
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DWORD dwReserved1; // Reserved. Must be zero.
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DWORD dwReserved2; // Reserved. Must be zero.
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} CCINFOW, *LPCCINFOW;
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#ifdef UNICODE
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#define CCINFO CCINFOW
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#define LPCCINFO LPCCINFOW
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#else
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#define CCINFO CCINFOA
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#define LPCCINFO LPCCINFOA
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#endif // UNICODE
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/*
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* The Info function prototype. This function is the first one
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* called by the dialog editor. Custom control DLL's must export
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* one or both of the following functions by name (the ordinal
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* used for the export does not matter):
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*
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* UINT CALLBACK CustomControlInfoA(LPCCINFOA acci)
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* UINT CALLBACK CustomControlInfoW(LPCCINFOW acci)
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*
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* This function must return the number of controls that the DLL
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* supports, or NULL if an error occurs. If the acci parameter is
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* not NULL, it will be pointing to an array of CCINFOA or CCINFOW
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* structures that should be filled in with the information about
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* the different control types supported by the DLL.
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*
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* If both functions are present, the CustomControlInfoW function
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* will be used by the dialog editor.
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*/
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typedef UINT (CALLBACK* LPFNCCINFOA)(LPCCINFOA acci);
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typedef UINT (CALLBACK* LPFNCCINFOW)(LPCCINFOW acci);
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#ifdef UNICODE
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#define LPFNCCINFO LPFNCCINFOW
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#else
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#define LPFNCCINFO LPFNCCINFOA
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#endif // UNICODE
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _INC_CUSTCNTL */
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