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SetupGetLineByIndexW

関数
INFセクション内の指定インデックスの行を取得する(Unicode)。
DLLSETUPAPI.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

// SETUPAPI.dll  (Unicode / -W)
#include <windows.h>

BOOL SetupGetLineByIndexW(
    void* InfHandle,
    LPCWSTR Section,
    DWORD Index,
    INFCONTEXT* Context
);

パラメーター

名前型方向説明
InfHandlevoid*in検索対象の開いているINFハンドル。
SectionLPCWSTRin対象セクション名(Unicode)。
IndexDWORDinセクション内で取得する行のインデックス(0起点)。
ContextINFCONTEXT*out見つかった行の位置情報を受け取るINFCONTEXT構造体へのポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

// SETUPAPI.dll  (Unicode / -W)
#include <windows.h>

BOOL SetupGetLineByIndexW(
    void* InfHandle,
    LPCWSTR Section,
    DWORD Index,
    INFCONTEXT* Context
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool SetupGetLineByIndexW(
    IntPtr InfHandle,   // void*
    [MarshalAs(UnmanagedType.LPWStr)] string Section,   // LPCWSTR
    uint Index,   // DWORD
    IntPtr Context   // INFCONTEXT* out
);
<DllImport("SETUPAPI.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupGetLineByIndexW(
    InfHandle As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPWStr)> Section As String,   ' LPCWSTR
    Index As UInteger,   ' DWORD
    Context As IntPtr   ' INFCONTEXT* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' InfHandle : void*
' Section : LPCWSTR
' Index : DWORD
' Context : INFCONTEXT* out
Declare PtrSafe Function SetupGetLineByIndexW Lib "setupapi" ( _
    ByVal InfHandle As LongPtr, _
    ByVal Section As LongPtr, _
    ByVal Index As Long, _
    ByVal Context As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

SetupGetLineByIndexW = ctypes.windll.setupapi.SetupGetLineByIndexW
SetupGetLineByIndexW.restype = wintypes.BOOL
SetupGetLineByIndexW.argtypes = [
    ctypes.POINTER(None),  # InfHandle : void*
    wintypes.LPCWSTR,  # Section : LPCWSTR
    wintypes.DWORD,  # Index : DWORD
    ctypes.c_void_p,  # Context : INFCONTEXT* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupGetLineByIndexW = Fiddle::Function.new(
  lib['SetupGetLineByIndexW'],
  [
    Fiddle::TYPE_VOIDP,  # InfHandle : void*
    Fiddle::TYPE_VOIDP,  # Section : LPCWSTR
    -Fiddle::TYPE_INT,  # Index : DWORD
    Fiddle::TYPE_VOIDP,  # Context : INFCONTEXT* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"
#[link(name = "setupapi")]
extern "system" {
    fn SetupGetLineByIndexW(
        InfHandle: *mut (),  // void*
        Section: *const u16,  // LPCWSTR
        Index: u32,  // DWORD
        Context: *mut INFCONTEXT  // INFCONTEXT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SetupGetLineByIndexW(IntPtr InfHandle, [MarshalAs(UnmanagedType.LPWStr)] string Section, uint Index, IntPtr Context);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupGetLineByIndexW' -Namespace Win32 -PassThru
# $api::SetupGetLineByIndexW(InfHandle, Section, Index, Context)
#uselib "SETUPAPI.dll"
#func global SetupGetLineByIndexW "SetupGetLineByIndexW" wptr, wptr, wptr, wptr
; SetupGetLineByIndexW InfHandle, Section, Index, varptr(Context)   ; 戻り値は stat
; InfHandle : void* -> "wptr"
; Section : LPCWSTR -> "wptr"
; Index : DWORD -> "wptr"
; Context : INFCONTEXT* out -> "wptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数: 
#uselib "SETUPAPI.dll"
#cfunc global SetupGetLineByIndexW "SetupGetLineByIndexW" sptr, wstr, int, var
; res = SetupGetLineByIndexW(InfHandle, Section, Index, Context)
; InfHandle : void* -> "sptr"
; Section : LPCWSTR -> "wstr"
; Index : DWORD -> "int"
; Context : INFCONTEXT* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; BOOL SetupGetLineByIndexW(void* InfHandle, LPCWSTR Section, DWORD Index, INFCONTEXT* Context)
#uselib "SETUPAPI.dll"
#cfunc global SetupGetLineByIndexW "SetupGetLineByIndexW" intptr, wstr, int, var
; res = SetupGetLineByIndexW(InfHandle, Section, Index, Context)
; InfHandle : void* -> "intptr"
; Section : LPCWSTR -> "wstr"
; Index : DWORD -> "int"
; Context : INFCONTEXT* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupGetLineByIndexW = setupapi.NewProc("SetupGetLineByIndexW")
)

// InfHandle (void*), Section (LPCWSTR), Index (DWORD), Context (INFCONTEXT* out)
r1, _, err := procSetupGetLineByIndexW.Call(
	uintptr(InfHandle),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Section))),
	uintptr(Index),
	uintptr(Context),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function SetupGetLineByIndexW(
  InfHandle: Pointer;   // void*
  Section: PWideChar;   // LPCWSTR
  Index: DWORD;   // DWORD
  Context: Pointer   // INFCONTEXT* out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupGetLineByIndexW';
result := DllCall("SETUPAPI\SetupGetLineByIndexW"
    , "Ptr", InfHandle   ; void*
    , "WStr", Section   ; LPCWSTR
    , "UInt", Index   ; DWORD
    , "Ptr", Context   ; INFCONTEXT* out
    , "Int")   ; return: BOOL
●SetupGetLineByIndexW(InfHandle, Section, Index, Context) = DLL("SETUPAPI.dll", "bool SetupGetLineByIndexW(void*, char*, dword, void*)")
# 呼び出し: SetupGetLineByIndexW(InfHandle, Section, Index, Context)
# InfHandle : void* -> "void*"
# Section : LPCWSTR -> "char*"
# Index : DWORD -> "dword"
# Context : INFCONTEXT* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。
const std = @import("std");

extern "setupapi" fn SetupGetLineByIndexW(
    InfHandle: ?*anyopaque, // void*
    Section: [*c]const u16, // LPCWSTR
    Index: u32, // DWORD
    Context: [*c]INFCONTEXT // INFCONTEXT* out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。
proc SetupGetLineByIndexW(
    InfHandle: pointer,  # void*
    Section: WideCString,  # LPCWSTR
    Index: uint32,  # DWORD
    Context: ptr INFCONTEXT  # INFCONTEXT* out
): int32 {.importc: "SetupGetLineByIndexW", stdcall, dynlib: "SETUPAPI.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。
pragma(lib, "setupapi");
extern(Windows)
int SetupGetLineByIndexW(
    void* InfHandle,   // void*
    const(wchar)* Section,   // LPCWSTR
    uint Index,   // DWORD
    INFCONTEXT* Context   // INFCONTEXT* out
);
ccall((:SetupGetLineByIndexW, "SETUPAPI.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, UInt32, Ptr{INFCONTEXT}),
      InfHandle, Section, Index, Context)
# InfHandle : void* -> Ptr{Cvoid}
# Section : LPCWSTR -> Cwstring
# Index : DWORD -> UInt32
# Context : INFCONTEXT* out -> Ptr{INFCONTEXT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。
local ffi = require("ffi")
ffi.cdef[[
int32_t SetupGetLineByIndexW(
    void* InfHandle,
    const uint16_t* Section,
    uint32_t Index,
    void* Context);
]]
local setupapi = ffi.load("setupapi")
-- setupapi.SetupGetLineByIndexW(InfHandle, Section, Index, Context)
-- InfHandle : void*
-- Section : LPCWSTR
-- Index : DWORD
-- Context : INFCONTEXT* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。
const koffi = require('koffi');
const lib = koffi.load('SETUPAPI.dll');
const SetupGetLineByIndexW = lib.func('__stdcall', 'SetupGetLineByIndexW', 'int32_t', ['void *', 'str16', 'uint32_t', 'void *']);
// SetupGetLineByIndexW(InfHandle, Section, Index, Context)
// InfHandle : void* -> 'void *'
// Section : LPCWSTR -> 'str16'
// Index : DWORD -> 'uint32_t'
// Context : INFCONTEXT* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("SETUPAPI.dll", {
  SetupGetLineByIndexW: { parameters: ["pointer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SetupGetLineByIndexW(InfHandle, Section, Index, Context)
// InfHandle : void* -> "pointer"
// Section : LPCWSTR -> "buffer"
// Index : DWORD -> "u32"
// Context : INFCONTEXT* out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t SetupGetLineByIndexW(
    void* InfHandle,
    const uint16_t* Section,
    uint32_t Index,
    void* Context);
C, "SETUPAPI.dll");
// $ffi->SetupGetLineByIndexW(InfHandle, Section, Index, Context);
// InfHandle : void*
// Section : LPCWSTR
// Index : DWORD
// Context : INFCONTEXT* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Setupapi extends StdCallLibrary {
    Setupapi INSTANCE = Native.load("setupapi", Setupapi.class, W32APIOptions.UNICODE_OPTIONS);
    boolean SetupGetLineByIndexW(
        Pointer InfHandle,   // void*
        WString Section,   // LPCWSTR
        int Index,   // DWORD
        Pointer Context   // INFCONTEXT* out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。
@[Link("setupapi")]
lib LibSETUPAPI
  fun SetupGetLineByIndexW = SetupGetLineByIndexW(
    InfHandle : Void*,   # void*
    Section : UInt16*,   # LPCWSTR
    Index : UInt32,   # DWORD
    Context : INFCONTEXT*   # INFCONTEXT* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SetupGetLineByIndexWNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Uint32, Pointer<Void>);
typedef SetupGetLineByIndexWDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Void>);
final SetupGetLineByIndexW = DynamicLibrary.open('SETUPAPI.dll')
    .lookupFunction<SetupGetLineByIndexWNative, SetupGetLineByIndexWDart>('SetupGetLineByIndexW');
// InfHandle : void* -> Pointer<Void>
// Section : LPCWSTR -> Pointer<Utf16>
// Index : DWORD -> Uint32
// Context : INFCONTEXT* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SetupGetLineByIndexW(
  InfHandle: Pointer;   // void*
  Section: PWideChar;   // LPCWSTR
  Index: DWORD;   // DWORD
  Context: Pointer   // INFCONTEXT* out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupGetLineByIndexW';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetupGetLineByIndexW"
  c_SetupGetLineByIndexW :: Ptr () -> CWString -> Word32 -> Ptr () -> IO CInt
-- InfHandle : void* -> Ptr ()
-- Section : LPCWSTR -> CWString
-- Index : DWORD -> Word32
-- Context : INFCONTEXT* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let setupgetlinebyindexw =
  foreign "SetupGetLineByIndexW"
    ((ptr void) @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* InfHandle : void* -> (ptr void) *)
(* Section : LPCWSTR -> (ptr uint16_t) *)
(* Index : DWORD -> uint32_t *)
(* Context : INFCONTEXT* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library setupapi (t "SETUPAPI.dll"))
(cffi:use-foreign-library setupapi)

(cffi:defcfun ("SetupGetLineByIndexW" setup-get-line-by-index-w :convention :stdcall) :int32
  (inf-handle :pointer)   ; void*
  (section (:string :encoding :utf-16le))   ; LPCWSTR
  (index :uint32)   ; DWORD
  (context :pointer))   ; INFCONTEXT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SetupGetLineByIndexW = Win32::API::More->new('SETUPAPI',
    'BOOL SetupGetLineByIndexW(LPVOID InfHandle, LPCWSTR Section, DWORD Index, LPVOID Context)');
# my $ret = $SetupGetLineByIndexW->Call($InfHandle, $Section, $Index, $Context);
# InfHandle : void* -> LPVOID
# Section : LPCWSTR -> LPCWSTR
# Index : DWORD -> DWORD
# Context : INFCONTEXT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。

関連項目

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