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SetupOpenInfFile Function

[This function is available for use in the operating systems indicated in the Requirements section. It may be altered or unavailable in subsequent versions. SetupAPI should no longer be used for installing applications. Instead, use the Windows Installer for developing application installers. SetupAPI continues to be used for installing device drivers.]

The SetupOpenInfFile function opens an INF file and returns a handle to it.

Syntax

HINF SetupOpenInfFile(
  __in  PCTSTR FileName,
  __in  PCTSTR InfClass,
  __in  DWORD InfStyle,
  __in  PUINT ErrorLine
);

Parameters

FileName [in]

Pointer to a null-terminated string containing the name (and optional path) of the INF file to be opened. If the filename does not contain path separator characters, it is searched for, first in the %windir%\inf directory, and then in the %windir%\system32 directory. If the filename contains path separator characters, it is assumed to be a full path specification and no further processing is performed on it.

InfClass [in]

Optional pointer to a null-terminated string containing the class of INF file desired. This string must match the Class value of the Version section (for example, Class=Net). If there is no entry in the Class value, but there is an entry for ClassGUID in the Version section, the corresponding class name for that GUID is retrieved and used for the comparison.

InfStyle [in]

Style of INF file to open or search for. This parameter can be a combination of the following flags.

INF_STYLE_OLDNT

A legacy INF file format.

INF_STYLE_WIN4

A Windows INF file format.

ErrorLine [in]

Optional pointer to a variable to which this function returns the (1-based) line number where an error occurred during loading of the INF file. This value is generally reliable only if GetLastError does not return ERROR_NOT_ENOUGH_MEMORY. If an out-of-memory condition does occur, ErrorLine may be 0.

Return Value

The function returns a handle to the opened INF file if it is successful. Otherwise, the return value is INVALID_HANDLE_VALUE. Extended error information can be retrieved by a call to GetLastError.

Remarks

If the load fails because the INF file type does not match InfClass, the function returns INVALID_HANDLE_VALUE and a call to GetLastError returns ERROR_CLASS_MISMATCH.

If multiple INF file styles are specified, the style of the INF file opened can be determined by calling the SetupGetInfInformation function.

Because there may be more than one class GUID with the same class name, callers interested in INF files of a particular class (that is, a particular class GUID) should retrieve the ClassGUID value from the INF file by calling SetupQueryInfVersionInformation.

For legacy INF files, the InfClass string must match the type specified in the OptionType value of the Identification section in the INF file (for example, OptionType=NetAdapter).

Requirements

Minimum supported client

Windows 2000 Professional

Minimum supported server

Windows 2000 Server

Header

Setupapi.h

Library

Setupapi.lib

DLL

Setupapi.dll

Unicode and ANSI names

SetupOpenInfFileW (Unicode) and SetupOpenInfFileA (ANSI)

See Also

Overview
Functions
SetupOpenAppendInfFile
SetupCloseInfFile
SetupGetInfInformation

 

 

Build date: 8/19/2010

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