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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| No
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| Win95
| Platform Notes
| None
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EnumFontFamiliesEx
[Now Supported on Windows NT]
The EnumFontFamiliesEx function enumerates all fonts in the system that match the font
characteristics specified by the LOGFONT structure. EnumFontFamiliesEx enumerates fonts based on typeface name, character set, or both. It is
recommended that Win32-based applications use this function rather than EnumFontFamilies to enumerate fonts.
int EnumFontFamiliesEx(
HDC hdc,
| // handle to device context
| LPLOGFONT lpLogfont,
| // pointer to logical font information
| FONTENUMPROC lpEnumFontFamExProc,
| // pointer to callback function
| LPARAM lParam,
| // application-supplied data
| DWORD dwFlags
| // reserved; must be zero
| );
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Parameters
hdc
Identifies the device context.
lpLogfont
Points to a LOGFONT structure that contains information about the fonts to enumerate. The
function examines these members:
Member
| Description
| lfCharset
| If set to DEFAULT_CHARSET, the function enumerates all fonts in all character
sets. If set to a valid character set value, the function enumerates only fonts
in the specified character set.
| lfFaceName
| If set to an empty string, the function enumerates one font in each available
typeface name. If set to a valid typeface name, the function enumerates all
fonts with the specified name.
| lfPitchAndFamily
| Must be set to zero for all language versions of the operating system except
Hebrew and Arabic. For these languages, set IfPitchAndFamily to MONO_FONT to enumerate only fonts that provide all codepage characters
within the font.
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lpEnumFontFamExProc
Points to the application-defined callback function. For more information
about the callback function, see the EnumFontFamExProc function.
lParam
Specifies a 32-bit application-defined value. The function passes this value
to the callback function along with font information.
dwFlags
Reserved; must be zero.
Return Values
If the function succeeds, the return value is the last value returned by the
callback function. This value depends on which font families are available for
the specified device.
Remarks
EnumFontFamiliesEx does not use "tagged" typeface names to identify character sets. Instead, it
always passes the correct typeface name and a separate character set value to
the callback function. The function enumerates fonts based on the the values of
the lfCharset and lfFacename members in the LOGFONT structure.
If lfCharset is DEFAULT_CHARSET and lfFaceName is an empty string, the function enumerates one font in every face in every
character set. If lfFaceName is not empty, the function enumerates every font in the specified typeface
regardless of character set.
If lfCharset is a valid character set value and lfFaceName is an empty string, the function enumerates every font in the specified
character set. If lfFaceName is not empty, the function enumerates every font having the specified
typeface and character set.
See Also
EnumFontFamilies, EnumFontFamExProc, LOGFONT
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