AddFontResource

Description

The AddFontResource function adds the font resource from the specified file to the system font table. The font can subsequently be used for text output by any application.

To mark a font as private or no enumerable, use the AddFontResourceEx function.

C++ Syntax

int AddFontResource(

__in LPCTSTR lpszFilename

);

PowerBASIC Syntax

FUNCTION AddFontResource ( _

BYREF lpszFilename AS ASCIIZ _

) AS LONG

Parameters

lpszFilename

[in] Pointer to a null-terminated character string that contains a valid font file name. This parameter can specify any of the following files.

File extension	Description
.fon	Font resource file.
.fnt	Raw bitmap font file.
.ttf	Raw TrueType file.
.ttc	East Asian Windows: TrueType font collection.
.fot	TrueType resource file.
.otf	PostScript OpenType font.
.mmm	multiple master Type1 font resource file. It must be used with .pfm and .pfb files.
.pfb	Type 1 font bits file. It is used with a .pfm file.
.pfm	Type 1 font metrics file. It is used with a .pfb file.

Windows 2000/XP: To add a font whose information comes from several resource files, have lpszFileName point to a string with the file names separated by a | --for example, abcxxxxx.pfm | abcxxxxx.pfb.

Return Value

If the function succeeds, the return value specifies the number of fonts added.

If the function fails, the return value is zero. No extended error information is available.

Remarks

Any application that adds or removes fonts from the system font table should notify other windows of the change by sending a WM_FONTCHANGE message to all top-level windows in the operating system. The application should send this message by calling the SendMessage function and setting the hwnd parameter to HWND_BROADCAST.

When an application no longer needs a font resource that it loaded by calling the AddFontResource function, it must remove that resource by calling the RemoveFontResource function.

This function installs the font only for the current session. When the system restarts, the font will not be present. To have the font installed even after restarting the system, the font must be listed in the registry.

Windows 95/98/Me: AddFontResourceW is supported by the Microsoft Layer for Unicode.

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