MsiPreviewDialogA

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

DWORD MsiPreviewDialogA(
    MSIHANDLE hPreview,
    LPCSTR szDialogName
);

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

' hPreview : MSIHANDLE
' szDialogName : LPCSTR
Declare PtrSafe Function MsiPreviewDialogA Lib "msi" ( _
    ByVal hPreview As Long, _
    ByVal szDialogName 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

MsiPreviewDialogA = ctypes.windll.msi.MsiPreviewDialogA
MsiPreviewDialogA.restype = wintypes.DWORD
MsiPreviewDialogA.argtypes = [
    wintypes.DWORD,  # hPreview : MSIHANDLE
    wintypes.LPCSTR,  # szDialogName : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiPreviewDialogA = Fiddle::Function.new(
  lib['MsiPreviewDialogA'],
  [
    -Fiddle::TYPE_INT,  # hPreview : MSIHANDLE
    Fiddle::TYPE_VOIDP,  # szDialogName : LPCSTR
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiPreviewDialogA(
        hPreview: u32,  // MSIHANDLE
        szDialogName: *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 MsiPreviewDialogA(uint hPreview, [MarshalAs(UnmanagedType.LPStr)] string szDialogName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiPreviewDialogA' -Namespace Win32 -PassThru
# $api::MsiPreviewDialogA(hPreview, szDialogName)

#uselib "msi.dll"
#func global MsiPreviewDialogA "MsiPreviewDialogA" sptr, sptr
; MsiPreviewDialogA hPreview, szDialogName   ; 戻り値は stat
; hPreview : MSIHANDLE -> "sptr"
; szDialogName : 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 MsiPreviewDialogA "MsiPreviewDialogA" int, str
; res = MsiPreviewDialogA(hPreview, szDialogName)
; hPreview : MSIHANDLE -> "int"
; szDialogName : LPCSTR -> "str"

; DWORD MsiPreviewDialogA(MSIHANDLE hPreview, LPCSTR szDialogName)
#uselib "msi.dll"
#cfunc global MsiPreviewDialogA "MsiPreviewDialogA" int, str
; res = MsiPreviewDialogA(hPreview, szDialogName)
; hPreview : MSIHANDLE -> "int"
; szDialogName : LPCSTR -> "str"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiPreviewDialogA = msi.NewProc("MsiPreviewDialogA")
)

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

function MsiPreviewDialogA(
  hPreview: DWORD;   // MSIHANDLE
  szDialogName: PAnsiChar   // LPCSTR
): DWORD; stdcall;
  external 'msi.dll' name 'MsiPreviewDialogA';

result := DllCall("msi\MsiPreviewDialogA"
    , "UInt", hPreview   ; MSIHANDLE
    , "AStr", szDialogName   ; LPCSTR
    , "UInt")   ; return: DWORD

●MsiPreviewDialogA(hPreview, szDialogName) = DLL("msi.dll", "dword MsiPreviewDialogA(dword, char*)")
# 呼び出し: MsiPreviewDialogA(hPreview, szDialogName)
# hPreview : MSIHANDLE -> "dword"
# szDialogName : 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)。