MsiGetFileVersionA

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

DWORD MsiGetFileVersionA(
    LPCSTR szFilePath,
    LPSTR lpVersionBuf,   // optional
    DWORD* pcchVersionBuf,   // optional
    LPSTR lpLangBuf,   // optional
    DWORD* pcchLangBuf   // optional
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiGetFileVersionA(
    <MarshalAs(UnmanagedType.LPStr)> szFilePath As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpVersionBuf As System.Text.StringBuilder,   ' LPSTR optional, out
    pcchVersionBuf As IntPtr,   ' DWORD* optional, in/out
    <MarshalAs(UnmanagedType.LPStr)> lpLangBuf As System.Text.StringBuilder,   ' LPSTR optional, out
    pcchLangBuf As IntPtr   ' DWORD* optional, in/out
) As UInteger
End Function

' szFilePath : LPCSTR
' lpVersionBuf : LPSTR optional, out
' pcchVersionBuf : DWORD* optional, in/out
' lpLangBuf : LPSTR optional, out
' pcchLangBuf : DWORD* optional, in/out
Declare PtrSafe Function MsiGetFileVersionA Lib "msi" ( _
    ByVal szFilePath As String, _
    ByVal lpVersionBuf As String, _
    ByVal pcchVersionBuf As LongPtr, _
    ByVal lpLangBuf As String, _
    ByVal pcchLangBuf 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

MsiGetFileVersionA = ctypes.windll.msi.MsiGetFileVersionA
MsiGetFileVersionA.restype = wintypes.DWORD
MsiGetFileVersionA.argtypes = [
    wintypes.LPCSTR,  # szFilePath : LPCSTR
    wintypes.LPSTR,  # lpVersionBuf : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchVersionBuf : DWORD* optional, in/out
    wintypes.LPSTR,  # lpLangBuf : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchLangBuf : DWORD* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiGetFileVersionA = Fiddle::Function.new(
  lib['MsiGetFileVersionA'],
  [
    Fiddle::TYPE_VOIDP,  # szFilePath : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpVersionBuf : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchVersionBuf : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpLangBuf : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchLangBuf : DWORD* optional, in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiGetFileVersionA(
        szFilePath: *const u8,  // LPCSTR
        lpVersionBuf: *mut u8,  // LPSTR optional, out
        pcchVersionBuf: *mut u32,  // DWORD* optional, in/out
        lpLangBuf: *mut u8,  // LPSTR optional, out
        pcchLangBuf: *mut u32  // DWORD* optional, in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiGetFileVersionA([MarshalAs(UnmanagedType.LPStr)] string szFilePath, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpVersionBuf, IntPtr pcchVersionBuf, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpLangBuf, IntPtr pcchLangBuf);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiGetFileVersionA' -Namespace Win32 -PassThru
# $api::MsiGetFileVersionA(szFilePath, lpVersionBuf, pcchVersionBuf, lpLangBuf, pcchLangBuf)

#uselib "msi.dll"
#func global MsiGetFileVersionA "MsiGetFileVersionA" sptr, sptr, sptr, sptr, sptr
; MsiGetFileVersionA szFilePath, varptr(lpVersionBuf), varptr(pcchVersionBuf), varptr(lpLangBuf), varptr(pcchLangBuf)   ; 戻り値は stat
; szFilePath : LPCSTR -> "sptr"
; lpVersionBuf : LPSTR optional, out -> "sptr"
; pcchVersionBuf : DWORD* optional, in/out -> "sptr"
; lpLangBuf : LPSTR optional, out -> "sptr"
; pcchLangBuf : DWORD* optional, 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。

#uselib "msi.dll"
#cfunc global MsiGetFileVersionA "MsiGetFileVersionA" str, var, var, var, var
; res = MsiGetFileVersionA(szFilePath, lpVersionBuf, pcchVersionBuf, lpLangBuf, pcchLangBuf)
; szFilePath : LPCSTR -> "str"
; lpVersionBuf : LPSTR optional, out -> "var"
; pcchVersionBuf : DWORD* optional, in/out -> "var"
; lpLangBuf : LPSTR optional, out -> "var"
; pcchLangBuf : DWORD* optional, in/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。

; DWORD MsiGetFileVersionA(LPCSTR szFilePath, LPSTR lpVersionBuf, DWORD* pcchVersionBuf, LPSTR lpLangBuf, DWORD* pcchLangBuf)
#uselib "msi.dll"
#cfunc global MsiGetFileVersionA "MsiGetFileVersionA" str, var, var, var, var
; res = MsiGetFileVersionA(szFilePath, lpVersionBuf, pcchVersionBuf, lpLangBuf, pcchLangBuf)
; szFilePath : LPCSTR -> "str"
; lpVersionBuf : LPSTR optional, out -> "var"
; pcchVersionBuf : DWORD* optional, in/out -> "var"
; lpLangBuf : LPSTR optional, out -> "var"
; pcchLangBuf : DWORD* optional, in/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。

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiGetFileVersionA = msi.NewProc("MsiGetFileVersionA")
)

// szFilePath (LPCSTR), lpVersionBuf (LPSTR optional, out), pcchVersionBuf (DWORD* optional, in/out), lpLangBuf (LPSTR optional, out), pcchLangBuf (DWORD* optional, in/out)
r1, _, err := procMsiGetFileVersionA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szFilePath))),
	uintptr(lpVersionBuf),
	uintptr(pcchVersionBuf),
	uintptr(lpLangBuf),
	uintptr(pcchLangBuf),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiGetFileVersionA(
  szFilePath: PAnsiChar;   // LPCSTR
  lpVersionBuf: PAnsiChar;   // LPSTR optional, out
  pcchVersionBuf: Pointer;   // DWORD* optional, in/out
  lpLangBuf: PAnsiChar;   // LPSTR optional, out
  pcchLangBuf: Pointer   // DWORD* optional, in/out
): DWORD; stdcall;
  external 'msi.dll' name 'MsiGetFileVersionA';

result := DllCall("msi\MsiGetFileVersionA"
    , "AStr", szFilePath   ; LPCSTR
    , "Ptr", lpVersionBuf   ; LPSTR optional, out
    , "Ptr", pcchVersionBuf   ; DWORD* optional, in/out
    , "Ptr", lpLangBuf   ; LPSTR optional, out
    , "Ptr", pcchLangBuf   ; DWORD* optional, in/out
    , "UInt")   ; return: DWORD

●MsiGetFileVersionA(szFilePath, lpVersionBuf, pcchVersionBuf, lpLangBuf, pcchLangBuf) = DLL("msi.dll", "dword MsiGetFileVersionA(char*, char*, void*, char*, void*)")
# 呼び出し: MsiGetFileVersionA(szFilePath, lpVersionBuf, pcchVersionBuf, lpLangBuf, pcchLangBuf)
# szFilePath : LPCSTR -> "char*"
# lpVersionBuf : LPSTR optional, out -> "char*"
# pcchVersionBuf : DWORD* optional, in/out -> "void*"
# lpLangBuf : LPSTR optional, out -> "char*"
# pcchLangBuf : DWORD* optional, 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)。