SHRegGetBoolUSValueA

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

BOOL SHRegGetBoolUSValueA(
    LPCSTR pszSubKey,
    LPCSTR pszValue,   // optional
    BOOL fIgnoreHKCU,
    BOOL fDefault
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SHRegGetBoolUSValueA(
    <MarshalAs(UnmanagedType.LPStr)> pszSubKey As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pszValue As String,   ' LPCSTR optional
    fIgnoreHKCU As Boolean,   ' BOOL
    fDefault As Boolean   ' BOOL
) As Boolean
End Function

' pszSubKey : LPCSTR
' pszValue : LPCSTR optional
' fIgnoreHKCU : BOOL
' fDefault : BOOL
Declare PtrSafe Function SHRegGetBoolUSValueA Lib "shlwapi" ( _
    ByVal pszSubKey As String, _
    ByVal pszValue As String, _
    ByVal fIgnoreHKCU As Long, _
    ByVal fDefault As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHRegGetBoolUSValueA = ctypes.windll.shlwapi.SHRegGetBoolUSValueA
SHRegGetBoolUSValueA.restype = wintypes.BOOL
SHRegGetBoolUSValueA.argtypes = [
    wintypes.LPCSTR,  # pszSubKey : LPCSTR
    wintypes.LPCSTR,  # pszValue : LPCSTR optional
    wintypes.BOOL,  # fIgnoreHKCU : BOOL
    wintypes.BOOL,  # fDefault : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
SHRegGetBoolUSValueA = Fiddle::Function.new(
  lib['SHRegGetBoolUSValueA'],
  [
    Fiddle::TYPE_VOIDP,  # pszSubKey : LPCSTR
    Fiddle::TYPE_VOIDP,  # pszValue : LPCSTR optional
    Fiddle::TYPE_INT,  # fIgnoreHKCU : BOOL
    Fiddle::TYPE_INT,  # fDefault : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn SHRegGetBoolUSValueA(
        pszSubKey: *const u8,  // LPCSTR
        pszValue: *const u8,  // LPCSTR optional
        fIgnoreHKCU: i32,  // BOOL
        fDefault: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern bool SHRegGetBoolUSValueA([MarshalAs(UnmanagedType.LPStr)] string pszSubKey, [MarshalAs(UnmanagedType.LPStr)] string pszValue, bool fIgnoreHKCU, bool fDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_SHRegGetBoolUSValueA' -Namespace Win32 -PassThru
# $api::SHRegGetBoolUSValueA(pszSubKey, pszValue, fIgnoreHKCU, fDefault)

#uselib "SHLWAPI.dll"
#func global SHRegGetBoolUSValueA "SHRegGetBoolUSValueA" sptr, sptr, sptr, sptr
; SHRegGetBoolUSValueA pszSubKey, pszValue, fIgnoreHKCU, fDefault   ; 戻り値は stat
; pszSubKey : LPCSTR -> "sptr"
; pszValue : LPCSTR optional -> "sptr"
; fIgnoreHKCU : BOOL -> "sptr"
; fDefault : BOOL -> "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。

#uselib "SHLWAPI.dll"
#cfunc global SHRegGetBoolUSValueA "SHRegGetBoolUSValueA" str, str, int, int
; res = SHRegGetBoolUSValueA(pszSubKey, pszValue, fIgnoreHKCU, fDefault)
; pszSubKey : LPCSTR -> "str"
; pszValue : LPCSTR optional -> "str"
; fIgnoreHKCU : BOOL -> "int"
; fDefault : BOOL -> "int"

; BOOL SHRegGetBoolUSValueA(LPCSTR pszSubKey, LPCSTR pszValue, BOOL fIgnoreHKCU, BOOL fDefault)
#uselib "SHLWAPI.dll"
#cfunc global SHRegGetBoolUSValueA "SHRegGetBoolUSValueA" str, str, int, int
; res = SHRegGetBoolUSValueA(pszSubKey, pszValue, fIgnoreHKCU, fDefault)
; pszSubKey : LPCSTR -> "str"
; pszValue : LPCSTR optional -> "str"
; fIgnoreHKCU : BOOL -> "int"
; fDefault : BOOL -> "int"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procSHRegGetBoolUSValueA = shlwapi.NewProc("SHRegGetBoolUSValueA")
)

// pszSubKey (LPCSTR), pszValue (LPCSTR optional), fIgnoreHKCU (BOOL), fDefault (BOOL)
r1, _, err := procSHRegGetBoolUSValueA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszSubKey))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszValue))),
	uintptr(fIgnoreHKCU),
	uintptr(fDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SHRegGetBoolUSValueA(
  pszSubKey: PAnsiChar;   // LPCSTR
  pszValue: PAnsiChar;   // LPCSTR optional
  fIgnoreHKCU: BOOL;   // BOOL
  fDefault: BOOL   // BOOL
): BOOL; stdcall;
  external 'SHLWAPI.dll' name 'SHRegGetBoolUSValueA';

result := DllCall("SHLWAPI\SHRegGetBoolUSValueA"
    , "AStr", pszSubKey   ; LPCSTR
    , "AStr", pszValue   ; LPCSTR optional
    , "Int", fIgnoreHKCU   ; BOOL
    , "Int", fDefault   ; BOOL
    , "Int")   ; return: BOOL

●SHRegGetBoolUSValueA(pszSubKey, pszValue, fIgnoreHKCU, fDefault) = DLL("SHLWAPI.dll", "bool SHRegGetBoolUSValueA(char*, char*, bool, bool)")
# 呼び出し: SHRegGetBoolUSValueA(pszSubKey, pszValue, fIgnoreHKCU, fDefault)
# pszSubKey : LPCSTR -> "char*"
# pszValue : LPCSTR optional -> "char*"
# fIgnoreHKCU : BOOL -> "bool"
# fDefault : BOOL -> "bool"
# 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)。