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SetupGetLineTextA

関数

INFの指定行またはキーのテキストを取得する(ANSI)。

DLLSETUPAPI.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// SETUPAPI.dll  (ANSI / -A)
#include <windows.h>

BOOL SetupGetLineTextA(
    INFCONTEXT* Context,   // optional
    void* InfHandle,   // optional
    LPCSTR Section,   // optional
    LPCSTR Key,   // optional
    LPSTR ReturnBuffer,   // optional
    DWORD ReturnBufferSize,
    DWORD* RequiredSize   // optional
);

パラメーター

名前	型	方向
Context	INFCONTEXT*	inoptional
InfHandle	void*	inoptional
Section	LPCSTR	inoptional
Key	LPCSTR	inoptional
ReturnBuffer	LPSTR	outoptional
ReturnBufferSize	DWORD	in
RequiredSize	DWORD*	outoptional

戻り値の型: BOOL

各言語での呼び出し定義

// SETUPAPI.dll  (ANSI / -A)
#include <windows.h>

BOOL SetupGetLineTextA(
    INFCONTEXT* Context,   // optional
    void* InfHandle,   // optional
    LPCSTR Section,   // optional
    LPCSTR Key,   // optional
    LPSTR ReturnBuffer,   // optional
    DWORD ReturnBufferSize,
    DWORD* RequiredSize   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetupGetLineTextA(
    IntPtr Context,   // INFCONTEXT* optional
    IntPtr InfHandle,   // void* optional
    [MarshalAs(UnmanagedType.LPStr)] string Section,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] string Key,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder ReturnBuffer,   // LPSTR optional, out
    uint ReturnBufferSize,   // DWORD
    IntPtr RequiredSize   // DWORD* optional, out
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupGetLineTextA(
    Context As IntPtr,   ' INFCONTEXT* optional
    InfHandle As IntPtr,   ' void* optional
    <MarshalAs(UnmanagedType.LPStr)> Section As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> Key As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> ReturnBuffer As System.Text.StringBuilder,   ' LPSTR optional, out
    ReturnBufferSize As UInteger,   ' DWORD
    RequiredSize As IntPtr   ' DWORD* optional, out
) As Boolean
End Function

' Context : INFCONTEXT* optional
' InfHandle : void* optional
' Section : LPCSTR optional
' Key : LPCSTR optional
' ReturnBuffer : LPSTR optional, out
' ReturnBufferSize : DWORD
' RequiredSize : DWORD* optional, out
Declare PtrSafe Function SetupGetLineTextA Lib "setupapi" ( _
    ByVal Context As LongPtr, _
    ByVal InfHandle As LongPtr, _
    ByVal Section As String, _
    ByVal Key As String, _
    ByVal ReturnBuffer As String, _
    ByVal ReturnBufferSize As Long, _
    ByVal RequiredSize As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetupGetLineTextA = ctypes.windll.setupapi.SetupGetLineTextA
SetupGetLineTextA.restype = wintypes.BOOL
SetupGetLineTextA.argtypes = [
    ctypes.c_void_p,  # Context : INFCONTEXT* optional
    ctypes.POINTER(None),  # InfHandle : void* optional
    wintypes.LPCSTR,  # Section : LPCSTR optional
    wintypes.LPCSTR,  # Key : LPCSTR optional
    wintypes.LPSTR,  # ReturnBuffer : LPSTR optional, out
    wintypes.DWORD,  # ReturnBufferSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # RequiredSize : DWORD* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupGetLineTextA = Fiddle::Function.new(
  lib['SetupGetLineTextA'],
  [
    Fiddle::TYPE_VOIDP,  # Context : INFCONTEXT* optional
    Fiddle::TYPE_VOIDP,  # InfHandle : void* optional
    Fiddle::TYPE_VOIDP,  # Section : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # Key : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # ReturnBuffer : LPSTR optional, out
    -Fiddle::TYPE_INT,  # ReturnBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # RequiredSize : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "setupapi")]
extern "system" {
    fn SetupGetLineTextA(
        Context: *mut INFCONTEXT,  // INFCONTEXT* optional
        InfHandle: *mut (),  // void* optional
        Section: *const u8,  // LPCSTR optional
        Key: *const u8,  // LPCSTR optional
        ReturnBuffer: *mut u8,  // LPSTR optional, out
        ReturnBufferSize: u32,  // DWORD
        RequiredSize: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetupGetLineTextA(IntPtr Context, IntPtr InfHandle, [MarshalAs(UnmanagedType.LPStr)] string Section, [MarshalAs(UnmanagedType.LPStr)] string Key, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder ReturnBuffer, uint ReturnBufferSize, IntPtr RequiredSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupGetLineTextA' -Namespace Win32 -PassThru
# $api::SetupGetLineTextA(Context, InfHandle, Section, Key, ReturnBuffer, ReturnBufferSize, RequiredSize)

#uselib "SETUPAPI.dll"
#func global SetupGetLineTextA "SetupGetLineTextA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SetupGetLineTextA varptr(Context), InfHandle, Section, Key, varptr(ReturnBuffer), ReturnBufferSize, varptr(RequiredSize)   ; 戻り値は stat
; Context : INFCONTEXT* optional -> "sptr"
; InfHandle : void* optional -> "sptr"
; Section : LPCSTR optional -> "sptr"
; Key : LPCSTR optional -> "sptr"
; ReturnBuffer : LPSTR optional, out -> "sptr"
; ReturnBufferSize : DWORD -> "sptr"
; RequiredSize : DWORD* optional, out -> "sptr"
; ※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 SetupGetLineTextA "SetupGetLineTextA" var, sptr, str, str, var, int, var
; res = SetupGetLineTextA(Context, InfHandle, Section, Key, ReturnBuffer, ReturnBufferSize, RequiredSize)
; Context : INFCONTEXT* optional -> "var"
; InfHandle : void* optional -> "sptr"
; Section : LPCSTR optional -> "str"
; Key : LPCSTR optional -> "str"
; ReturnBuffer : LPSTR optional, out -> "var"
; ReturnBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, 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。#uselib "SETUPAPI.dll"
#cfunc global SetupGetLineTextA "SetupGetLineTextA" sptr, sptr, str, str, sptr, int, sptr
; res = SetupGetLineTextA(varptr(Context), InfHandle, Section, Key, varptr(ReturnBuffer), ReturnBufferSize, varptr(RequiredSize))
; Context : INFCONTEXT* optional -> "sptr"
; InfHandle : void* optional -> "sptr"
; Section : LPCSTR optional -> "str"
; Key : LPCSTR optional -> "str"
; ReturnBuffer : LPSTR optional, out -> "sptr"
; ReturnBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL SetupGetLineTextA(INFCONTEXT* Context, void* InfHandle, LPCSTR Section, LPCSTR Key, LPSTR ReturnBuffer, DWORD ReturnBufferSize, DWORD* RequiredSize)
#uselib "SETUPAPI.dll"
#cfunc global SetupGetLineTextA "SetupGetLineTextA" var, intptr, str, str, var, int, var
; res = SetupGetLineTextA(Context, InfHandle, Section, Key, ReturnBuffer, ReturnBufferSize, RequiredSize)
; Context : INFCONTEXT* optional -> "var"
; InfHandle : void* optional -> "intptr"
; Section : LPCSTR optional -> "str"
; Key : LPCSTR optional -> "str"
; ReturnBuffer : LPSTR optional, out -> "var"
; ReturnBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, 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。; BOOL SetupGetLineTextA(INFCONTEXT* Context, void* InfHandle, LPCSTR Section, LPCSTR Key, LPSTR ReturnBuffer, DWORD ReturnBufferSize, DWORD* RequiredSize)
#uselib "SETUPAPI.dll"
#cfunc global SetupGetLineTextA "SetupGetLineTextA" intptr, intptr, str, str, intptr, int, intptr
; res = SetupGetLineTextA(varptr(Context), InfHandle, Section, Key, varptr(ReturnBuffer), ReturnBufferSize, varptr(RequiredSize))
; Context : INFCONTEXT* optional -> "intptr"
; InfHandle : void* optional -> "intptr"
; Section : LPCSTR optional -> "str"
; Key : LPCSTR optional -> "str"
; ReturnBuffer : LPSTR optional, out -> "intptr"
; ReturnBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupGetLineTextA = setupapi.NewProc("SetupGetLineTextA")
)

// Context (INFCONTEXT* optional), InfHandle (void* optional), Section (LPCSTR optional), Key (LPCSTR optional), ReturnBuffer (LPSTR optional, out), ReturnBufferSize (DWORD), RequiredSize (DWORD* optional, out)
r1, _, err := procSetupGetLineTextA.Call(
	uintptr(Context),
	uintptr(InfHandle),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(Section))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(Key))),
	uintptr(ReturnBuffer),
	uintptr(ReturnBufferSize),
	uintptr(RequiredSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupGetLineTextA(
  Context: Pointer;   // INFCONTEXT* optional
  InfHandle: Pointer;   // void* optional
  Section: PAnsiChar;   // LPCSTR optional
  Key: PAnsiChar;   // LPCSTR optional
  ReturnBuffer: PAnsiChar;   // LPSTR optional, out
  ReturnBufferSize: DWORD;   // DWORD
  RequiredSize: Pointer   // DWORD* optional, out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupGetLineTextA';

result := DllCall("SETUPAPI\SetupGetLineTextA"
    , "Ptr", Context   ; INFCONTEXT* optional
    , "Ptr", InfHandle   ; void* optional
    , "AStr", Section   ; LPCSTR optional
    , "AStr", Key   ; LPCSTR optional
    , "Ptr", ReturnBuffer   ; LPSTR optional, out
    , "UInt", ReturnBufferSize   ; DWORD
    , "Ptr", RequiredSize   ; DWORD* optional, out
    , "Int")   ; return: BOOL

●SetupGetLineTextA(Context, InfHandle, Section, Key, ReturnBuffer, ReturnBufferSize, RequiredSize) = DLL("SETUPAPI.dll", "bool SetupGetLineTextA(void*, void*, char*, char*, char*, dword, void*)")
# 呼び出し: SetupGetLineTextA(Context, InfHandle, Section, Key, ReturnBuffer, ReturnBufferSize, RequiredSize)
# Context : INFCONTEXT* optional -> "void*"
# InfHandle : void* optional -> "void*"
# Section : LPCSTR optional -> "char*"
# Key : LPCSTR optional -> "char*"
# ReturnBuffer : LPSTR optional, out -> "char*"
# ReturnBufferSize : DWORD -> "dword"
# RequiredSize : DWORD* optional, 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)。