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propvar.h
Package: shell.rar [view]
Upload User: xhy777
Upload Date: 2007-02-14
Package Size: 24088k
Code Size: 3k
Category:
Windows Kernel
Development Platform:
Visual C++
- /////////////////////////////////////////////////////////////////////////////////
- /////////////////////////////////////////////////////////////////////////////////
- //
- // File: propvar.h
- //
- // Purpose: Prototypes, constants, and macros relating to
- // PropVariants in the Office code.
- //
- /////////////////////////////////////////////////////////////////////////////////
- /////////////////////////////////////////////////////////////////////////////////
- #ifndef _PROPVAR_H_
- #define _PROPVAR_H_
- // ----------
- // Prototypes
- // ----------
- BOOL FPropVarLoad (LPPROPVARIANT lppropvar, VARTYPE vt, LPVOID const lpv );
- void VPropVarMove (LPPROPVARIANT lppropvarDest, LPPROPVARIANT const lppropvarSource);
- BOOL FCoStrToWStr (LPWSTR * lplpwstr, const LPSTR lpstr, UINT uCodePage);
- BOOL FCoWStrToStr (LPSTR * lplpstr, const LPWSTR lpwstr, UINT uCodePage);
- BOOL FPropVarConvertString (LPPROPVARIANT lppropvarDest, const LPPROPVARIANT lppropvarSource, UINT uCodePage);
- BOOL FPropVarCopyToBuf (LPPROPVARIANT const lppropvar, DWORD cbMax, LPVOID lpBuf);
- // ---------
- // Constants
- // ---------
- // Default size of PropVariant/PropSpec arrays.
- #define DEFAULT_IPROPERTY_COUNT 10
- // ------
- // Macros
- // ------
- // Macro to see if a PropVariant is some kind of string.
- #define IS_PROPVAR_STRING( lppropvar )
- ( ( (lppropvar)->vt & ~VT_VECTOR ) == VT_LPSTR
- ||
- ( (lppropvar)->vt & ~VT_VECTOR ) == VT_LPWSTR )
- // Macro to see if a VT is valid in the context
- // of the User-Defined property set.
- #define ISUDTYPE(vt)
- ( vt == VT_LPSTR
- ||
- vt == VT_LPWSTR
- ||
- vt == VT_I4
- ||
- vt == VT_R8
- ||
- vt == VT_FILETIME
- ||
- vt == VT_BOOL )
- // Macro to determine if a string is represented
- // differently (in terms of the code-page)
- // in memory than it is in the Property
- // set. The codepage parameter is that of the
- // property set.
- #ifdef UNICODE
- #define PROPVAR_STRING_CONVERSION_REQUIRED(lppropvar,codepage)
- ( IS_PROPVAR_STRING( lppropvar )
- &&
- ((codepage) != CP_WINUNICODE)
- )
- #else // UNICODE
- #define PROPVAR_STRING_CONVERSION_REQUIRED(lppropvar,codepage)
- ( IS_PROPVAR_STRING( lppropvar )
- &&
- ((codepage) == CP_WINUNICODE)
- )
- #endif // UNICODE
- #endif _PROPVAR_H_