MsiInstallMissingFileA

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

DWORD MsiInstallMissingFileA(
    LPCSTR szProduct,
    LPCSTR szFile
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiInstallMissingFileA(
    <MarshalAs(UnmanagedType.LPStr)> szProduct As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szFile As String   ' LPCSTR
) As UInteger
End Function

' szProduct : LPCSTR
' szFile : LPCSTR
Declare PtrSafe Function MsiInstallMissingFileA Lib "msi" ( _
    ByVal szProduct As String, _
    ByVal szFile 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

MsiInstallMissingFileA = ctypes.windll.msi.MsiInstallMissingFileA
MsiInstallMissingFileA.restype = wintypes.DWORD
MsiInstallMissingFileA.argtypes = [
    wintypes.LPCSTR,  # szProduct : LPCSTR
    wintypes.LPCSTR,  # szFile : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiInstallMissingFileA = Fiddle::Function.new(
  lib['MsiInstallMissingFileA'],
  [
    Fiddle::TYPE_VOIDP,  # szProduct : LPCSTR
    Fiddle::TYPE_VOIDP,  # szFile : LPCSTR
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiInstallMissingFileA(
        szProduct: *const u8,  // LPCSTR
        szFile: *const u8  // LPCSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiInstallMissingFileA([MarshalAs(UnmanagedType.LPStr)] string szProduct, [MarshalAs(UnmanagedType.LPStr)] string szFile);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiInstallMissingFileA' -Namespace Win32 -PassThru
# $api::MsiInstallMissingFileA(szProduct, szFile)

#uselib "msi.dll"
#func global MsiInstallMissingFileA "MsiInstallMissingFileA" sptr, sptr
; MsiInstallMissingFileA szProduct, szFile   ; 戻り値は stat
; szProduct : LPCSTR -> "sptr"
; szFile : 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 "msi.dll"
#cfunc global MsiInstallMissingFileA "MsiInstallMissingFileA" str, str
; res = MsiInstallMissingFileA(szProduct, szFile)
; szProduct : LPCSTR -> "str"
; szFile : LPCSTR -> "str"

; DWORD MsiInstallMissingFileA(LPCSTR szProduct, LPCSTR szFile)
#uselib "msi.dll"
#cfunc global MsiInstallMissingFileA "MsiInstallMissingFileA" str, str
; res = MsiInstallMissingFileA(szProduct, szFile)
; szProduct : LPCSTR -> "str"
; szFile : LPCSTR -> "str"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiInstallMissingFileA = msi.NewProc("MsiInstallMissingFileA")
)

// szProduct (LPCSTR), szFile (LPCSTR)
r1, _, err := procMsiInstallMissingFileA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szProduct))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szFile))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiInstallMissingFileA(
  szProduct: PAnsiChar;   // LPCSTR
  szFile: PAnsiChar   // LPCSTR
): DWORD; stdcall;
  external 'msi.dll' name 'MsiInstallMissingFileA';

result := DllCall("msi\MsiInstallMissingFileA"
    , "AStr", szProduct   ; LPCSTR
    , "AStr", szFile   ; LPCSTR
    , "UInt")   ; return: DWORD

●MsiInstallMissingFileA(szProduct, szFile) = DLL("msi.dll", "dword MsiInstallMissingFileA(char*, char*)")
# 呼び出し: MsiInstallMissingFileA(szProduct, szFile)
# szProduct : LPCSTR -> "char*"
# szFile : 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)。