MsiSetFeatureAttributesA

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

DWORD MsiSetFeatureAttributesA(
    MSIHANDLE hInstall,
    LPCSTR szFeature,
    DWORD dwAttributes
);

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

' hInstall : MSIHANDLE
' szFeature : LPCSTR
' dwAttributes : DWORD
Declare PtrSafe Function MsiSetFeatureAttributesA Lib "msi" ( _
    ByVal hInstall As Long, _
    ByVal szFeature As String, _
    ByVal dwAttributes 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

MsiSetFeatureAttributesA = ctypes.windll.msi.MsiSetFeatureAttributesA
MsiSetFeatureAttributesA.restype = wintypes.DWORD
MsiSetFeatureAttributesA.argtypes = [
    wintypes.DWORD,  # hInstall : MSIHANDLE
    wintypes.LPCSTR,  # szFeature : LPCSTR
    wintypes.DWORD,  # dwAttributes : DWORD
]

require 'fiddle'
require 'fiddle/import'

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

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

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

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

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

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiSetFeatureAttributesA = msi.NewProc("MsiSetFeatureAttributesA")
)

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

function MsiSetFeatureAttributesA(
  hInstall: DWORD;   // MSIHANDLE
  szFeature: PAnsiChar;   // LPCSTR
  dwAttributes: DWORD   // DWORD
): DWORD; stdcall;
  external 'msi.dll' name 'MsiSetFeatureAttributesA';

result := DllCall("msi\MsiSetFeatureAttributesA"
    , "UInt", hInstall   ; MSIHANDLE
    , "AStr", szFeature   ; LPCSTR
    , "UInt", dwAttributes   ; DWORD
    , "UInt")   ; return: DWORD

●MsiSetFeatureAttributesA(hInstall, szFeature, dwAttributes) = DLL("msi.dll", "dword MsiSetFeatureAttributesA(dword, char*, dword)")
# 呼び出し: MsiSetFeatureAttributesA(hInstall, szFeature, dwAttributes)
# hInstall : MSIHANDLE -> "dword"
# szFeature : LPCSTR -> "char*"
# dwAttributes : DWORD -> "dword"
# 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)。