MsiSetFeatureStateA

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

DWORD MsiSetFeatureStateA(
    MSIHANDLE hInstall,
    LPCSTR szFeature,
    INSTALLSTATE iState
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiSetFeatureStateA(
    hInstall As UInteger,   ' MSIHANDLE
    <MarshalAs(UnmanagedType.LPStr)> szFeature As String,   ' LPCSTR
    iState As Integer   ' INSTALLSTATE
) As UInteger
End Function

' hInstall : MSIHANDLE
' szFeature : LPCSTR
' iState : INSTALLSTATE
Declare PtrSafe Function MsiSetFeatureStateA Lib "msi" ( _
    ByVal hInstall As Long, _
    ByVal szFeature As String, _
    ByVal iState 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

MsiSetFeatureStateA = ctypes.windll.msi.MsiSetFeatureStateA
MsiSetFeatureStateA.restype = wintypes.DWORD
MsiSetFeatureStateA.argtypes = [
    wintypes.DWORD,  # hInstall : MSIHANDLE
    wintypes.LPCSTR,  # szFeature : LPCSTR
    ctypes.c_int,  # iState : INSTALLSTATE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiSetFeatureStateA = Fiddle::Function.new(
  lib['MsiSetFeatureStateA'],
  [
    -Fiddle::TYPE_INT,  # hInstall : MSIHANDLE
    Fiddle::TYPE_VOIDP,  # szFeature : LPCSTR
    Fiddle::TYPE_INT,  # iState : INSTALLSTATE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiSetFeatureStateA(
        hInstall: u32,  // MSIHANDLE
        szFeature: *const u8,  // LPCSTR
        iState: i32  // INSTALLSTATE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiSetFeatureStateA(uint hInstall, [MarshalAs(UnmanagedType.LPStr)] string szFeature, int iState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiSetFeatureStateA' -Namespace Win32 -PassThru
# $api::MsiSetFeatureStateA(hInstall, szFeature, iState)

#uselib "msi.dll"
#func global MsiSetFeatureStateA "MsiSetFeatureStateA" sptr, sptr, sptr
; MsiSetFeatureStateA hInstall, szFeature, iState   ; 戻り値は stat
; hInstall : MSIHANDLE -> "sptr"
; szFeature : LPCSTR -> "sptr"
; iState : INSTALLSTATE -> "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 MsiSetFeatureStateA "MsiSetFeatureStateA" int, str, int
; res = MsiSetFeatureStateA(hInstall, szFeature, iState)
; hInstall : MSIHANDLE -> "int"
; szFeature : LPCSTR -> "str"
; iState : INSTALLSTATE -> "int"

; DWORD MsiSetFeatureStateA(MSIHANDLE hInstall, LPCSTR szFeature, INSTALLSTATE iState)
#uselib "msi.dll"
#cfunc global MsiSetFeatureStateA "MsiSetFeatureStateA" int, str, int
; res = MsiSetFeatureStateA(hInstall, szFeature, iState)
; hInstall : MSIHANDLE -> "int"
; szFeature : LPCSTR -> "str"
; iState : INSTALLSTATE -> "int"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiSetFeatureStateA = msi.NewProc("MsiSetFeatureStateA")
)

// hInstall (MSIHANDLE), szFeature (LPCSTR), iState (INSTALLSTATE)
r1, _, err := procMsiSetFeatureStateA.Call(
	uintptr(hInstall),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szFeature))),
	uintptr(iState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiSetFeatureStateA(
  hInstall: DWORD;   // MSIHANDLE
  szFeature: PAnsiChar;   // LPCSTR
  iState: Integer   // INSTALLSTATE
): DWORD; stdcall;
  external 'msi.dll' name 'MsiSetFeatureStateA';

result := DllCall("msi\MsiSetFeatureStateA"
    , "UInt", hInstall   ; MSIHANDLE
    , "AStr", szFeature   ; LPCSTR
    , "Int", iState   ; INSTALLSTATE
    , "UInt")   ; return: DWORD

●MsiSetFeatureStateA(hInstall, szFeature, iState) = DLL("msi.dll", "dword MsiSetFeatureStateA(dword, char*, int)")
# 呼び出し: MsiSetFeatureStateA(hInstall, szFeature, iState)
# hInstall : MSIHANDLE -> "dword"
# szFeature : LPCSTR -> "char*"
# iState : INSTALLSTATE -> "int"
# 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 "msi" fn MsiSetFeatureStateA(
    hInstall: u32, // MSIHANDLE
    szFeature: [*c]const u8, // LPCSTR
    iState: i32 // INSTALLSTATE
) callconv(std.os.windows.WINAPI) u32;

proc MsiSetFeatureStateA(
    hInstall: uint32,  # MSIHANDLE
    szFeature: cstring,  # LPCSTR
    iState: int32  # INSTALLSTATE
): uint32 {.importc: "MsiSetFeatureStateA", stdcall, dynlib: "msi.dll".}

pragma(lib, "msi");
extern(Windows)
uint MsiSetFeatureStateA(
    uint hInstall,   // MSIHANDLE
    const(char)* szFeature,   // LPCSTR
    int iState   // INSTALLSTATE
);

ccall((:MsiSetFeatureStateA, "msi.dll"), stdcall, UInt32,
      (UInt32, Cstring, Int32),
      hInstall, szFeature, iState)
# hInstall : MSIHANDLE -> UInt32
# szFeature : LPCSTR -> Cstring
# iState : INSTALLSTATE -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t MsiSetFeatureStateA(
    uint32_t hInstall,
    const char* szFeature,
    int32_t iState);
]]
local msi = ffi.load("msi")
-- msi.MsiSetFeatureStateA(hInstall, szFeature, iState)
-- hInstall : MSIHANDLE
-- szFeature : LPCSTR
-- iState : INSTALLSTATE
-- 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('msi.dll');
const MsiSetFeatureStateA = lib.func('__stdcall', 'MsiSetFeatureStateA', 'uint32_t', ['uint32_t', 'str', 'int32_t']);
// MsiSetFeatureStateA(hInstall, szFeature, iState)
// hInstall : MSIHANDLE -> 'uint32_t'
// szFeature : LPCSTR -> 'str'
// iState : INSTALLSTATE -> 'int32_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("msi.dll", {
  MsiSetFeatureStateA: { parameters: ["u32", "buffer", "i32"], result: "u32" },
});
// lib.symbols.MsiSetFeatureStateA(hInstall, szFeature, iState)
// hInstall : MSIHANDLE -> "u32"
// szFeature : LPCSTR -> "buffer"
// iState : INSTALLSTATE -> "i32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t MsiSetFeatureStateA(
    uint32_t hInstall,
    const char* szFeature,
    int32_t iState);
C, "msi.dll");
// $ffi->MsiSetFeatureStateA(hInstall, szFeature, iState);
// hInstall : MSIHANDLE
// szFeature : LPCSTR
// iState : INSTALLSTATE
// 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 Msi extends StdCallLibrary {
    Msi INSTANCE = Native.load("msi", Msi.class, W32APIOptions.ASCII_OPTIONS);
    int MsiSetFeatureStateA(
        int hInstall,   // MSIHANDLE
        String szFeature,   // LPCSTR
        int iState   // INSTALLSTATE
    );
}

@[Link("msi")]
lib Libmsi
  fun MsiSetFeatureStateA = MsiSetFeatureStateA(
    hInstall : UInt32,   # MSIHANDLE
    szFeature : UInt8*,   # LPCSTR
    iState : Int32   # INSTALLSTATE
  ) : 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 MsiSetFeatureStateANative = Uint32 Function(Uint32, Pointer<Utf8>, Int32);
typedef MsiSetFeatureStateADart = int Function(int, Pointer<Utf8>, int);
final MsiSetFeatureStateA = DynamicLibrary.open('msi.dll')
    .lookupFunction<MsiSetFeatureStateANative, MsiSetFeatureStateADart>('MsiSetFeatureStateA');
// hInstall : MSIHANDLE -> Uint32
// szFeature : LPCSTR -> Pointer<Utf8>
// iState : INSTALLSTATE -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MsiSetFeatureStateA(
  hInstall: DWORD;   // MSIHANDLE
  szFeature: PAnsiChar;   // LPCSTR
  iState: Integer   // INSTALLSTATE
): DWORD; stdcall;
  external 'msi.dll' name 'MsiSetFeatureStateA';

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

foreign import stdcall safe "MsiSetFeatureStateA"
  c_MsiSetFeatureStateA :: Word32 -> CString -> Int32 -> IO Word32
-- hInstall : MSIHANDLE -> Word32
-- szFeature : LPCSTR -> CString
-- iState : INSTALLSTATE -> Int32
-- 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 msisetfeaturestatea =
  foreign "MsiSetFeatureStateA"
    (uint32_t @-> string @-> int32_t @-> returning uint32_t)
(* hInstall : MSIHANDLE -> uint32_t *)
(* szFeature : LPCSTR -> string *)
(* iState : INSTALLSTATE -> int32_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 msi (t "msi.dll"))
(cffi:use-foreign-library msi)

(cffi:defcfun ("MsiSetFeatureStateA" msi-set-feature-state-a :convention :stdcall) :uint32
  (h-install :uint32)   ; MSIHANDLE
  (sz-feature :string)   ; LPCSTR
  (i-state :int32))   ; INSTALLSTATE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MsiSetFeatureStateA = Win32::API::More->new('msi',
    'DWORD MsiSetFeatureStateA(DWORD hInstall, LPCSTR szFeature, int iState)');
# my $ret = $MsiSetFeatureStateA->Call($hInstall, $szFeature, $iState);
# hInstall : MSIHANDLE -> DWORD
# szFeature : LPCSTR -> LPCSTR
# iState : INSTALLSTATE -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。