SoftwareUpdateMessageBox

// SHDOCVW.dll
#include <windows.h>

DWORD SoftwareUpdateMessageBox(
    HWND hWnd,   // optional
    LPCWSTR pszDistUnit,
    DWORD dwFlags,
    SOFTDISTINFO* psdi   // optional
);

<DllImport("SHDOCVW.dll", ExactSpelling:=True)>
Public Shared Function SoftwareUpdateMessageBox(
    hWnd As IntPtr,   ' HWND optional
    <MarshalAs(UnmanagedType.LPWStr)> pszDistUnit As String,   ' LPCWSTR
    dwFlags As UInteger,   ' DWORD
    psdi As IntPtr   ' SOFTDISTINFO* optional, out
) As UInteger
End Function

' hWnd : HWND optional
' pszDistUnit : LPCWSTR
' dwFlags : DWORD
' psdi : SOFTDISTINFO* optional, out
Declare PtrSafe Function SoftwareUpdateMessageBox Lib "shdocvw" ( _
    ByVal hWnd As LongPtr, _
    ByVal pszDistUnit As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal psdi 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

SoftwareUpdateMessageBox = ctypes.windll.shdocvw.SoftwareUpdateMessageBox
SoftwareUpdateMessageBox.restype = wintypes.DWORD
SoftwareUpdateMessageBox.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND optional
    wintypes.LPCWSTR,  # pszDistUnit : LPCWSTR
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # psdi : SOFTDISTINFO* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHDOCVW.dll')
SoftwareUpdateMessageBox = Fiddle::Function.new(
  lib['SoftwareUpdateMessageBox'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND optional
    Fiddle::TYPE_VOIDP,  # pszDistUnit : LPCWSTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # psdi : SOFTDISTINFO* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "shdocvw")]
extern "system" {
    fn SoftwareUpdateMessageBox(
        hWnd: *mut core::ffi::c_void,  // HWND optional
        pszDistUnit: *const u16,  // LPCWSTR
        dwFlags: u32,  // DWORD
        psdi: *mut SOFTDISTINFO  // SOFTDISTINFO* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHDOCVW.dll")]
public static extern uint SoftwareUpdateMessageBox(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)] string pszDistUnit, uint dwFlags, IntPtr psdi);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHDOCVW_SoftwareUpdateMessageBox' -Namespace Win32 -PassThru
# $api::SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi)

#uselib "SHDOCVW.dll"
#func global SoftwareUpdateMessageBox "SoftwareUpdateMessageBox" sptr, sptr, sptr, sptr
; SoftwareUpdateMessageBox hWnd, pszDistUnit, dwFlags, varptr(psdi)   ; 戻り値は stat
; hWnd : HWND optional -> "sptr"
; pszDistUnit : LPCWSTR -> "sptr"
; dwFlags : DWORD -> "sptr"
; psdi : SOFTDISTINFO* 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。

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

var (
	shdocvw = windows.NewLazySystemDLL("SHDOCVW.dll")
	procSoftwareUpdateMessageBox = shdocvw.NewProc("SoftwareUpdateMessageBox")
)

// hWnd (HWND optional), pszDistUnit (LPCWSTR), dwFlags (DWORD), psdi (SOFTDISTINFO* optional, out)
r1, _, err := procSoftwareUpdateMessageBox.Call(
	uintptr(hWnd),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszDistUnit))),
	uintptr(dwFlags),
	uintptr(psdi),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SoftwareUpdateMessageBox(
  hWnd: THandle;   // HWND optional
  pszDistUnit: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  psdi: Pointer   // SOFTDISTINFO* optional, out
): DWORD; stdcall;
  external 'SHDOCVW.dll' name 'SoftwareUpdateMessageBox';

result := DllCall("SHDOCVW\SoftwareUpdateMessageBox"
    , "Ptr", hWnd   ; HWND optional
    , "WStr", pszDistUnit   ; LPCWSTR
    , "UInt", dwFlags   ; DWORD
    , "Ptr", psdi   ; SOFTDISTINFO* optional, out
    , "UInt")   ; return: DWORD

●SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi) = DLL("SHDOCVW.dll", "dword SoftwareUpdateMessageBox(void*, char*, dword, void*)")
# 呼び出し: SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi)
# hWnd : HWND optional -> "void*"
# pszDistUnit : LPCWSTR -> "char*"
# dwFlags : DWORD -> "dword"
# psdi : SOFTDISTINFO* 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)。

const std = @import("std");

extern "shdocvw" fn SoftwareUpdateMessageBox(
    hWnd: ?*anyopaque, // HWND optional
    pszDistUnit: [*c]const u16, // LPCWSTR
    dwFlags: u32, // DWORD
    psdi: [*c]SOFTDISTINFO // SOFTDISTINFO* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc SoftwareUpdateMessageBox(
    hWnd: pointer,  # HWND optional
    pszDistUnit: WideCString,  # LPCWSTR
    dwFlags: uint32,  # DWORD
    psdi: ptr SOFTDISTINFO  # SOFTDISTINFO* optional, out
): uint32 {.importc: "SoftwareUpdateMessageBox", stdcall, dynlib: "SHDOCVW.dll".}

pragma(lib, "shdocvw");
extern(Windows)
uint SoftwareUpdateMessageBox(
    void* hWnd,   // HWND optional
    const(wchar)* pszDistUnit,   // LPCWSTR
    uint dwFlags,   // DWORD
    SOFTDISTINFO* psdi   // SOFTDISTINFO* optional, out
);

ccall((:SoftwareUpdateMessageBox, "SHDOCVW.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Cwstring, UInt32, Ptr{SOFTDISTINFO}),
      hWnd, pszDistUnit, dwFlags, psdi)
# hWnd : HWND optional -> Ptr{Cvoid}
# pszDistUnit : LPCWSTR -> Cwstring
# dwFlags : DWORD -> UInt32
# psdi : SOFTDISTINFO* optional, out -> Ptr{SOFTDISTINFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t SoftwareUpdateMessageBox(
    void* hWnd,
    const uint16_t* pszDistUnit,
    uint32_t dwFlags,
    void* psdi);
]]
local shdocvw = ffi.load("shdocvw")
-- shdocvw.SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi)
-- hWnd : HWND optional
-- pszDistUnit : LPCWSTR
-- dwFlags : DWORD
-- psdi : SOFTDISTINFO* optional, 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。

const koffi = require('koffi');
const lib = koffi.load('SHDOCVW.dll');
const SoftwareUpdateMessageBox = lib.func('__stdcall', 'SoftwareUpdateMessageBox', 'uint32_t', ['void *', 'str16', 'uint32_t', 'void *']);
// SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi)
// hWnd : HWND optional -> 'void *'
// pszDistUnit : LPCWSTR -> 'str16'
// dwFlags : DWORD -> 'uint32_t'
// psdi : SOFTDISTINFO* optional, 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("SHDOCVW.dll", {
  SoftwareUpdateMessageBox: { parameters: ["pointer", "buffer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi)
// hWnd : HWND optional -> "pointer"
// pszDistUnit : LPCWSTR -> "buffer"
// dwFlags : DWORD -> "u32"
// psdi : SOFTDISTINFO* optional, out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t SoftwareUpdateMessageBox(
    void* hWnd,
    const uint16_t* pszDistUnit,
    uint32_t dwFlags,
    void* psdi);
C, "SHDOCVW.dll");
// $ffi->SoftwareUpdateMessageBox(hWnd, pszDistUnit, dwFlags, psdi);
// hWnd : HWND optional
// pszDistUnit : LPCWSTR
// dwFlags : DWORD
// psdi : SOFTDISTINFO* optional, 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 Shdocvw extends StdCallLibrary {
    Shdocvw INSTANCE = Native.load("shdocvw", Shdocvw.class);
    int SoftwareUpdateMessageBox(
        Pointer hWnd,   // HWND optional
        WString pszDistUnit,   // LPCWSTR
        int dwFlags,   // DWORD
        Pointer psdi   // SOFTDISTINFO* optional, out
    );
}

@[Link("shdocvw")]
lib LibSHDOCVW
  fun SoftwareUpdateMessageBox = SoftwareUpdateMessageBox(
    hWnd : Void*,   # HWND optional
    pszDistUnit : UInt16*,   # LPCWSTR
    dwFlags : UInt32,   # DWORD
    psdi : SOFTDISTINFO*   # SOFTDISTINFO* optional, out
  ) : UInt32
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 SoftwareUpdateMessageBoxNative = Uint32 Function(Pointer<Void>, Pointer<Utf16>, Uint32, Pointer<Void>);
typedef SoftwareUpdateMessageBoxDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Void>);
final SoftwareUpdateMessageBox = DynamicLibrary.open('SHDOCVW.dll')
    .lookupFunction<SoftwareUpdateMessageBoxNative, SoftwareUpdateMessageBoxDart>('SoftwareUpdateMessageBox');
// hWnd : HWND optional -> Pointer<Void>
// pszDistUnit : LPCWSTR -> Pointer<Utf16>
// dwFlags : DWORD -> Uint32
// psdi : SOFTDISTINFO* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SoftwareUpdateMessageBox(
  hWnd: THandle;   // HWND optional
  pszDistUnit: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  psdi: Pointer   // SOFTDISTINFO* optional, out
): DWORD; stdcall;
  external 'SHDOCVW.dll' name 'SoftwareUpdateMessageBox';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SoftwareUpdateMessageBox"
  c_SoftwareUpdateMessageBox :: Ptr () -> CWString -> Word32 -> Ptr () -> IO Word32
-- hWnd : HWND optional -> Ptr ()
-- pszDistUnit : LPCWSTR -> CWString
-- dwFlags : DWORD -> Word32
-- psdi : SOFTDISTINFO* optional, 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 softwareupdatemessagebox =
  foreign "SoftwareUpdateMessageBox"
    ((ptr void) @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* hWnd : HWND optional -> (ptr void) *)
(* pszDistUnit : LPCWSTR -> (ptr uint16_t) *)
(* dwFlags : DWORD -> uint32_t *)
(* psdi : SOFTDISTINFO* optional, 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 shdocvw (t "SHDOCVW.dll"))
(cffi:use-foreign-library shdocvw)

(cffi:defcfun ("SoftwareUpdateMessageBox" software-update-message-box :convention :stdcall) :uint32
  (h-wnd :pointer)   ; HWND optional
  (psz-dist-unit (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-flags :uint32)   ; DWORD
  (psdi :pointer))   ; SOFTDISTINFO* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SoftwareUpdateMessageBox = Win32::API::More->new('SHDOCVW',
    'DWORD SoftwareUpdateMessageBox(HANDLE hWnd, LPCWSTR pszDistUnit, DWORD dwFlags, LPVOID psdi)');
# my $ret = $SoftwareUpdateMessageBox->Call($hWnd, $pszDistUnit, $dwFlags, $psdi);
# hWnd : HWND optional -> HANDLE
# pszDistUnit : LPCWSTR -> LPCWSTR
# dwFlags : DWORD -> DWORD
# psdi : SOFTDISTINFO* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。