MsiEnableUIPreview

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

DWORD MsiEnableUIPreview(
    MSIHANDLE hDatabase,
    MSIHANDLE* phPreview
);

<DllImport("msi.dll", ExactSpelling:=True)>
Public Shared Function MsiEnableUIPreview(
    hDatabase As UInteger,   ' MSIHANDLE
    ByRef phPreview As UInteger   ' MSIHANDLE* in/out
) As UInteger
End Function

' hDatabase : MSIHANDLE
' phPreview : MSIHANDLE* in/out
Declare PtrSafe Function MsiEnableUIPreview Lib "msi" ( _
    ByVal hDatabase As Long, _
    ByRef phPreview 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

MsiEnableUIPreview = ctypes.windll.msi.MsiEnableUIPreview
MsiEnableUIPreview.restype = wintypes.DWORD
MsiEnableUIPreview.argtypes = [
    wintypes.DWORD,  # hDatabase : MSIHANDLE
    ctypes.c_void_p,  # phPreview : MSIHANDLE* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiEnableUIPreview = Fiddle::Function.new(
  lib['MsiEnableUIPreview'],
  [
    -Fiddle::TYPE_INT,  # hDatabase : MSIHANDLE
    Fiddle::TYPE_VOIDP,  # phPreview : MSIHANDLE* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiEnableUIPreview(
        hDatabase: u32,  // MSIHANDLE
        phPreview: *mut u32  // MSIHANDLE* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll")]
public static extern uint MsiEnableUIPreview(uint hDatabase, ref uint phPreview);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiEnableUIPreview' -Namespace Win32 -PassThru
# $api::MsiEnableUIPreview(hDatabase, phPreview)

#uselib "msi.dll"
#func global MsiEnableUIPreview "MsiEnableUIPreview" sptr, sptr
; MsiEnableUIPreview hDatabase, phPreview   ; 戻り値は stat
; hDatabase : MSIHANDLE -> "sptr"
; phPreview : MSIHANDLE* 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 MsiEnableUIPreview "MsiEnableUIPreview" int, int
; res = MsiEnableUIPreview(hDatabase, phPreview)
; hDatabase : MSIHANDLE -> "int"
; phPreview : MSIHANDLE* in/out -> "int"

; DWORD MsiEnableUIPreview(MSIHANDLE hDatabase, MSIHANDLE* phPreview)
#uselib "msi.dll"
#cfunc global MsiEnableUIPreview "MsiEnableUIPreview" int, int
; res = MsiEnableUIPreview(hDatabase, phPreview)
; hDatabase : MSIHANDLE -> "int"
; phPreview : MSIHANDLE* in/out -> "int"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiEnableUIPreview = msi.NewProc("MsiEnableUIPreview")
)

// hDatabase (MSIHANDLE), phPreview (MSIHANDLE* in/out)
r1, _, err := procMsiEnableUIPreview.Call(
	uintptr(hDatabase),
	uintptr(phPreview),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiEnableUIPreview(
  hDatabase: DWORD;   // MSIHANDLE
  phPreview: Pointer   // MSIHANDLE* in/out
): DWORD; stdcall;
  external 'msi.dll' name 'MsiEnableUIPreview';

result := DllCall("msi\MsiEnableUIPreview"
    , "UInt", hDatabase   ; MSIHANDLE
    , "Ptr", phPreview   ; MSIHANDLE* in/out
    , "UInt")   ; return: DWORD

●MsiEnableUIPreview(hDatabase, phPreview) = DLL("msi.dll", "dword MsiEnableUIPreview(dword, void*)")
# 呼び出し: MsiEnableUIPreview(hDatabase, phPreview)
# hDatabase : MSIHANDLE -> "dword"
# phPreview : MSIHANDLE* 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)。