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89 lines
2.8 KiB
89 lines
2.8 KiB
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/////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////////
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//
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// File: propvar.h
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//
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// Purpose: Prototypes, constants, and macros relating to
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// PropVariants in the Office code.
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//
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/////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////////
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#ifndef _PROPVAR_H_
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#define _PROPVAR_H_
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// ----------
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// Prototypes
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// ----------
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BOOL FPropVarLoad (LPPROPVARIANT lppropvar, VARTYPE vt, LPVOID const lpv );
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void VPropVarMove (LPPROPVARIANT lppropvarDest, LPPROPVARIANT const lppropvarSource);
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BOOL FCoStrToWStr (LPWSTR * lplpwstr, const LPSTR lpstr, UINT uCodePage);
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BOOL FCoWStrToStr (LPSTR * lplpstr, const LPWSTR lpwstr, UINT uCodePage);
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BOOL FPropVarConvertString (LPPROPVARIANT lppropvarDest, const LPPROPVARIANT lppropvarSource, UINT uCodePage);
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BOOL FPropVarCopyToBuf (LPPROPVARIANT const lppropvar, DWORD cbMax, LPVOID lpBuf);
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// ---------
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// Constants
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// ---------
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// Default size of PropVariant/PropSpec arrays.
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#define DEFAULT_IPROPERTY_COUNT 10
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// ------
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// Macros
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// ------
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// Macro to see if a PropVariant is some kind of string.
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#define IS_PROPVAR_STRING( lppropvar ) \
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( ( (lppropvar)->vt & ~VT_VECTOR ) == VT_LPSTR \
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|| \
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( (lppropvar)->vt & ~VT_VECTOR ) == VT_LPWSTR ) \
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// Macro to see if a VT is valid in the context
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// of the User-Defined property set.
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#define ISUDTYPE(vt) \
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( vt == VT_LPSTR \
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|| \
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vt == VT_LPWSTR \
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|| \
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vt == VT_I4 \
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|| \
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vt == VT_R8 \
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|| \
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vt == VT_FILETIME \
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|| \
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vt == VT_BOOL )
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// Macro to determine if a string is represented
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// differently (in terms of the code-page)
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// in memory than it is in the Property
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// set. The codepage parameter is that of the
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// property set.
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#ifdef UNICODE
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#define PROPVAR_STRING_CONVERSION_REQUIRED(lppropvar,codepage) \
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( IS_PROPVAR_STRING( lppropvar ) \
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&& \
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((codepage) != CP_WINUNICODE) \
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)
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#else // UNICODE
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#define PROPVAR_STRING_CONVERSION_REQUIRED(lppropvar,codepage) \
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( IS_PROPVAR_STRING( lppropvar ) \
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&& \
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((codepage) == CP_WINUNICODE) \
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)
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#endif // UNICODE
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#endif _PROPVAR_H_
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