GetFileVersion

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

HRESULT GetFileVersion(
    LPCWSTR szFilename,
    LPWSTR szBuffer,   // optional
    DWORD cchBuffer,
    DWORD* dwLength
);

<DllImport("MSCorEE.dll", ExactSpelling:=True)>
Public Shared Function GetFileVersion(
    <MarshalAs(UnmanagedType.LPWStr)> szFilename As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> szBuffer As System.Text.StringBuilder,   ' LPWSTR optional, out
    cchBuffer As UInteger,   ' DWORD
    ByRef dwLength As UInteger   ' DWORD* in/out
) As Integer
End Function

' szFilename : LPCWSTR
' szBuffer : LPWSTR optional, out
' cchBuffer : DWORD
' dwLength : DWORD* in/out
Declare PtrSafe Function GetFileVersion Lib "mscoree" ( _
    ByVal szFilename As LongPtr, _
    ByVal szBuffer As LongPtr, _
    ByVal cchBuffer As Long, _
    ByRef dwLength 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

GetFileVersion = ctypes.windll.mscoree.GetFileVersion
GetFileVersion.restype = ctypes.c_int
GetFileVersion.argtypes = [
    wintypes.LPCWSTR,  # szFilename : LPCWSTR
    wintypes.LPWSTR,  # szBuffer : LPWSTR optional, out
    wintypes.DWORD,  # cchBuffer : DWORD
    ctypes.POINTER(wintypes.DWORD),  # dwLength : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSCorEE.dll')
GetFileVersion = Fiddle::Function.new(
  lib['GetFileVersion'],
  [
    Fiddle::TYPE_VOIDP,  # szFilename : LPCWSTR
    Fiddle::TYPE_VOIDP,  # szBuffer : LPWSTR optional, out
    -Fiddle::TYPE_INT,  # cchBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # dwLength : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mscoree")]
extern "system" {
    fn GetFileVersion(
        szFilename: *const u16,  // LPCWSTR
        szBuffer: *mut u16,  // LPWSTR optional, out
        cchBuffer: u32,  // DWORD
        dwLength: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSCorEE.dll")]
public static extern int GetFileVersion([MarshalAs(UnmanagedType.LPWStr)] string szFilename, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder szBuffer, uint cchBuffer, ref uint dwLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSCorEE_GetFileVersion' -Namespace Win32 -PassThru
# $api::GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength)

#uselib "MSCorEE.dll"
#func global GetFileVersion "GetFileVersion" sptr, sptr, sptr, sptr
; GetFileVersion szFilename, varptr(szBuffer), cchBuffer, varptr(dwLength)   ; 戻り値は stat
; szFilename : LPCWSTR -> "sptr"
; szBuffer : LPWSTR optional, out -> "sptr"
; cchBuffer : DWORD -> "sptr"
; dwLength : DWORD* in/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 (
	mscoree = windows.NewLazySystemDLL("MSCorEE.dll")
	procGetFileVersion = mscoree.NewProc("GetFileVersion")
)

// szFilename (LPCWSTR), szBuffer (LPWSTR optional, out), cchBuffer (DWORD), dwLength (DWORD* in/out)
r1, _, err := procGetFileVersion.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szFilename))),
	uintptr(szBuffer),
	uintptr(cchBuffer),
	uintptr(dwLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetFileVersion(
  szFilename: PWideChar;   // LPCWSTR
  szBuffer: PWideChar;   // LPWSTR optional, out
  cchBuffer: DWORD;   // DWORD
  dwLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'GetFileVersion';

result := DllCall("MSCorEE\GetFileVersion"
    , "WStr", szFilename   ; LPCWSTR
    , "Ptr", szBuffer   ; LPWSTR optional, out
    , "UInt", cchBuffer   ; DWORD
    , "Ptr", dwLength   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength) = DLL("MSCorEE.dll", "int GetFileVersion(char*, char*, dword, void*)")
# 呼び出し: GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength)
# szFilename : LPCWSTR -> "char*"
# szBuffer : LPWSTR optional, out -> "char*"
# cchBuffer : DWORD -> "dword"
# dwLength : DWORD* in/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 "mscoree" fn GetFileVersion(
    szFilename: [*c]const u16, // LPCWSTR
    szBuffer: [*c]u16, // LPWSTR optional, out
    cchBuffer: u32, // DWORD
    dwLength: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GetFileVersion(
    szFilename: WideCString,  # LPCWSTR
    szBuffer: ptr uint16,  # LPWSTR optional, out
    cchBuffer: uint32,  # DWORD
    dwLength: ptr uint32  # DWORD* in/out
): int32 {.importc: "GetFileVersion", stdcall, dynlib: "MSCorEE.dll".}

pragma(lib, "mscoree");
extern(Windows)
int GetFileVersion(
    const(wchar)* szFilename,   // LPCWSTR
    wchar* szBuffer,   // LPWSTR optional, out
    uint cchBuffer,   // DWORD
    uint* dwLength   // DWORD* in/out
);

ccall((:GetFileVersion, "MSCorEE.dll"), stdcall, Int32,
      (Cwstring, Ptr{UInt16}, UInt32, Ptr{UInt32}),
      szFilename, szBuffer, cchBuffer, dwLength)
# szFilename : LPCWSTR -> Cwstring
# szBuffer : LPWSTR optional, out -> Ptr{UInt16}
# cchBuffer : DWORD -> UInt32
# dwLength : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetFileVersion(
    const uint16_t* szFilename,
    uint16_t* szBuffer,
    uint32_t cchBuffer,
    uint32_t* dwLength);
]]
local mscoree = ffi.load("mscoree")
-- mscoree.GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength)
-- szFilename : LPCWSTR
-- szBuffer : LPWSTR optional, out
-- cchBuffer : DWORD
-- dwLength : DWORD* in/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('MSCorEE.dll');
const GetFileVersion = lib.func('__stdcall', 'GetFileVersion', 'int32_t', ['str16', 'uint16_t *', 'uint32_t', 'uint32_t *']);
// GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength)
// szFilename : LPCWSTR -> 'str16'
// szBuffer : LPWSTR optional, out -> 'uint16_t *'
// cchBuffer : DWORD -> 'uint32_t'
// dwLength : DWORD* in/out -> 'uint32_t *'
// 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("MSCorEE.dll", {
  GetFileVersion: { parameters: ["buffer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength)
// szFilename : LPCWSTR -> "buffer"
// szBuffer : LPWSTR optional, out -> "buffer"
// cchBuffer : DWORD -> "u32"
// dwLength : DWORD* in/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
int32_t GetFileVersion(
    const uint16_t* szFilename,
    uint16_t* szBuffer,
    uint32_t cchBuffer,
    uint32_t* dwLength);
C, "MSCorEE.dll");
// $ffi->GetFileVersion(szFilename, szBuffer, cchBuffer, dwLength);
// szFilename : LPCWSTR
// szBuffer : LPWSTR optional, out
// cchBuffer : DWORD
// dwLength : DWORD* in/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 Mscoree extends StdCallLibrary {
    Mscoree INSTANCE = Native.load("mscoree", Mscoree.class);
    int GetFileVersion(
        WString szFilename,   // LPCWSTR
        char[] szBuffer,   // LPWSTR optional, out
        int cchBuffer,   // DWORD
        IntByReference dwLength   // DWORD* in/out
    );
}

@[Link("mscoree")]
lib LibMSCorEE
  fun GetFileVersion = GetFileVersion(
    szFilename : UInt16*,   # LPCWSTR
    szBuffer : UInt16*,   # LPWSTR optional, out
    cchBuffer : UInt32,   # DWORD
    dwLength : UInt32*   # DWORD* in/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 GetFileVersionNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Uint32>);
typedef GetFileVersionDart = int Function(Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Uint32>);
final GetFileVersion = DynamicLibrary.open('MSCorEE.dll')
    .lookupFunction<GetFileVersionNative, GetFileVersionDart>('GetFileVersion');
// szFilename : LPCWSTR -> Pointer<Utf16>
// szBuffer : LPWSTR optional, out -> Pointer<Utf16>
// cchBuffer : DWORD -> Uint32
// dwLength : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetFileVersion(
  szFilename: PWideChar;   // LPCWSTR
  szBuffer: PWideChar;   // LPWSTR optional, out
  cchBuffer: DWORD;   // DWORD
  dwLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'GetFileVersion';

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

foreign import stdcall safe "GetFileVersion"
  c_GetFileVersion :: CWString -> CWString -> Word32 -> Ptr Word32 -> IO Int32
-- szFilename : LPCWSTR -> CWString
-- szBuffer : LPWSTR optional, out -> CWString
-- cchBuffer : DWORD -> Word32
-- dwLength : DWORD* in/out -> Ptr Word32
-- 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 getfileversion =
  foreign "GetFileVersion"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* szFilename : LPCWSTR -> (ptr uint16_t) *)
(* szBuffer : LPWSTR optional, out -> (ptr uint16_t) *)
(* cchBuffer : DWORD -> uint32_t *)
(* dwLength : DWORD* in/out -> (ptr uint32_t) *)
(* 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 mscoree (t "MSCorEE.dll"))
(cffi:use-foreign-library mscoree)

(cffi:defcfun ("GetFileVersion" get-file-version :convention :stdcall) :int32
  (sz-filename (:string :encoding :utf-16le))   ; LPCWSTR
  (sz-buffer :pointer)   ; LPWSTR optional, out
  (cch-buffer :uint32)   ; DWORD
  (dw-length :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetFileVersion = Win32::API::More->new('MSCorEE',
    'int GetFileVersion(LPCWSTR szFilename, LPWSTR szBuffer, DWORD cchBuffer, LPVOID dwLength)');
# my $ret = $GetFileVersion->Call($szFilename, $szBuffer, $cchBuffer, $dwLength);
# szFilename : LPCWSTR -> LPCWSTR
# szBuffer : LPWSTR optional, out -> LPWSTR
# cchBuffer : DWORD -> DWORD
# dwLength : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。