SHMessageBoxCheckA

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

INT SHMessageBoxCheckA(
    HWND hwnd,   // optional
    LPCSTR pszText,
    LPCSTR pszCaption,
    DWORD uType,
    INT iDefault,
    LPCSTR pszRegVal
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SHMessageBoxCheckA(
    hwnd As IntPtr,   ' HWND optional
    <MarshalAs(UnmanagedType.LPStr)> pszText As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pszCaption As String,   ' LPCSTR
    uType As UInteger,   ' DWORD
    iDefault As Integer,   ' INT
    <MarshalAs(UnmanagedType.LPStr)> pszRegVal As String   ' LPCSTR
) As Integer
End Function

' hwnd : HWND optional
' pszText : LPCSTR
' pszCaption : LPCSTR
' uType : DWORD
' iDefault : INT
' pszRegVal : LPCSTR
Declare PtrSafe Function SHMessageBoxCheckA Lib "shlwapi" ( _
    ByVal hwnd As LongPtr, _
    ByVal pszText As String, _
    ByVal pszCaption As String, _
    ByVal uType As Long, _
    ByVal iDefault As Long, _
    ByVal pszRegVal As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHMessageBoxCheckA = ctypes.windll.shlwapi.SHMessageBoxCheckA
SHMessageBoxCheckA.restype = ctypes.c_int
SHMessageBoxCheckA.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND optional
    wintypes.LPCSTR,  # pszText : LPCSTR
    wintypes.LPCSTR,  # pszCaption : LPCSTR
    wintypes.DWORD,  # uType : DWORD
    ctypes.c_int,  # iDefault : INT
    wintypes.LPCSTR,  # pszRegVal : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
SHMessageBoxCheckA = Fiddle::Function.new(
  lib['SHMessageBoxCheckA'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND optional
    Fiddle::TYPE_VOIDP,  # pszText : LPCSTR
    Fiddle::TYPE_VOIDP,  # pszCaption : LPCSTR
    -Fiddle::TYPE_INT,  # uType : DWORD
    Fiddle::TYPE_INT,  # iDefault : INT
    Fiddle::TYPE_VOIDP,  # pszRegVal : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn SHMessageBoxCheckA(
        hwnd: *mut core::ffi::c_void,  // HWND optional
        pszText: *const u8,  // LPCSTR
        pszCaption: *const u8,  // LPCSTR
        uType: u32,  // DWORD
        iDefault: i32,  // INT
        pszRegVal: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern int SHMessageBoxCheckA(IntPtr hwnd, [MarshalAs(UnmanagedType.LPStr)] string pszText, [MarshalAs(UnmanagedType.LPStr)] string pszCaption, uint uType, int iDefault, [MarshalAs(UnmanagedType.LPStr)] string pszRegVal);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_SHMessageBoxCheckA' -Namespace Win32 -PassThru
# $api::SHMessageBoxCheckA(hwnd, pszText, pszCaption, uType, iDefault, pszRegVal)

#uselib "SHLWAPI.dll"
#func global SHMessageBoxCheckA "SHMessageBoxCheckA" sptr, sptr, sptr, sptr, sptr, sptr
; SHMessageBoxCheckA hwnd, pszText, pszCaption, uType, iDefault, pszRegVal   ; 戻り値は stat
; hwnd : HWND optional -> "sptr"
; pszText : LPCSTR -> "sptr"
; pszCaption : LPCSTR -> "sptr"
; uType : DWORD -> "sptr"
; iDefault : INT -> "sptr"
; pszRegVal : LPCSTR -> "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 SHMessageBoxCheckA "SHMessageBoxCheckA" sptr, str, str, int, int, str
; res = SHMessageBoxCheckA(hwnd, pszText, pszCaption, uType, iDefault, pszRegVal)
; hwnd : HWND optional -> "sptr"
; pszText : LPCSTR -> "str"
; pszCaption : LPCSTR -> "str"
; uType : DWORD -> "int"
; iDefault : INT -> "int"
; pszRegVal : LPCSTR -> "str"

; INT SHMessageBoxCheckA(HWND hwnd, LPCSTR pszText, LPCSTR pszCaption, DWORD uType, INT iDefault, LPCSTR pszRegVal)
#uselib "SHLWAPI.dll"
#cfunc global SHMessageBoxCheckA "SHMessageBoxCheckA" intptr, str, str, int, int, str
; res = SHMessageBoxCheckA(hwnd, pszText, pszCaption, uType, iDefault, pszRegVal)
; hwnd : HWND optional -> "intptr"
; pszText : LPCSTR -> "str"
; pszCaption : LPCSTR -> "str"
; uType : DWORD -> "int"
; iDefault : INT -> "int"
; pszRegVal : LPCSTR -> "str"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procSHMessageBoxCheckA = shlwapi.NewProc("SHMessageBoxCheckA")
)

// hwnd (HWND optional), pszText (LPCSTR), pszCaption (LPCSTR), uType (DWORD), iDefault (INT), pszRegVal (LPCSTR)
r1, _, err := procSHMessageBoxCheckA.Call(
	uintptr(hwnd),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszText))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszCaption))),
	uintptr(uType),
	uintptr(iDefault),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszRegVal))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SHMessageBoxCheckA(
  hwnd: THandle;   // HWND optional
  pszText: PAnsiChar;   // LPCSTR
  pszCaption: PAnsiChar;   // LPCSTR
  uType: DWORD;   // DWORD
  iDefault: Integer;   // INT
  pszRegVal: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'SHMessageBoxCheckA';

result := DllCall("SHLWAPI\SHMessageBoxCheckA"
    , "Ptr", hwnd   ; HWND optional
    , "AStr", pszText   ; LPCSTR
    , "AStr", pszCaption   ; LPCSTR
    , "UInt", uType   ; DWORD
    , "Int", iDefault   ; INT
    , "AStr", pszRegVal   ; LPCSTR
    , "Int")   ; return: INT

●SHMessageBoxCheckA(hwnd, pszText, pszCaption, uType, iDefault, pszRegVal) = DLL("SHLWAPI.dll", "int SHMessageBoxCheckA(void*, char*, char*, dword, int, char*)")
# 呼び出し: SHMessageBoxCheckA(hwnd, pszText, pszCaption, uType, iDefault, pszRegVal)
# hwnd : HWND optional -> "void*"
# pszText : LPCSTR -> "char*"
# pszCaption : LPCSTR -> "char*"
# uType : DWORD -> "dword"
# iDefault : INT -> "int"
# pszRegVal : LPCSTR -> "char*"
# 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)。