SetupIterateCabinetW

// SETUPAPI.dll  (Unicode / -W)
#include <windows.h>

BOOL SetupIterateCabinetW(
    LPCWSTR CabinetFile,
    DWORD Reserved,   // optional
    PSP_FILE_CALLBACK_W MsgHandler,
    void* Context
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupIterateCabinetW(
    <MarshalAs(UnmanagedType.LPWStr)> CabinetFile As String,   ' LPCWSTR
    Reserved As UInteger,   ' DWORD optional
    MsgHandler As IntPtr,   ' PSP_FILE_CALLBACK_W
    Context As IntPtr   ' void*
) As Boolean
End Function

' CabinetFile : LPCWSTR
' Reserved : DWORD optional
' MsgHandler : PSP_FILE_CALLBACK_W
' Context : void*
Declare PtrSafe Function SetupIterateCabinetW Lib "setupapi" ( _
    ByVal CabinetFile As LongPtr, _
    ByVal Reserved As Long, _
    ByVal MsgHandler As LongPtr, _
    ByVal Context As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetupIterateCabinetW = ctypes.windll.setupapi.SetupIterateCabinetW
SetupIterateCabinetW.restype = wintypes.BOOL
SetupIterateCabinetW.argtypes = [
    wintypes.LPCWSTR,  # CabinetFile : LPCWSTR
    wintypes.DWORD,  # Reserved : DWORD optional
    ctypes.c_void_p,  # MsgHandler : PSP_FILE_CALLBACK_W
    ctypes.POINTER(None),  # Context : void*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupIterateCabinetW = Fiddle::Function.new(
  lib['SetupIterateCabinetW'],
  [
    Fiddle::TYPE_VOIDP,  # CabinetFile : LPCWSTR
    -Fiddle::TYPE_INT,  # Reserved : DWORD optional
    Fiddle::TYPE_VOIDP,  # MsgHandler : PSP_FILE_CALLBACK_W
    Fiddle::TYPE_VOIDP,  # Context : void*
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "setupapi")]
extern "system" {
    fn SetupIterateCabinetW(
        CabinetFile: *const u16,  // LPCWSTR
        Reserved: u32,  // DWORD optional
        MsgHandler: *const core::ffi::c_void,  // PSP_FILE_CALLBACK_W
        Context: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SetupIterateCabinetW([MarshalAs(UnmanagedType.LPWStr)] string CabinetFile, uint Reserved, IntPtr MsgHandler, IntPtr Context);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupIterateCabinetW' -Namespace Win32 -PassThru
# $api::SetupIterateCabinetW(CabinetFile, Reserved, MsgHandler, Context)

#uselib "SETUPAPI.dll"
#func global SetupIterateCabinetW "SetupIterateCabinetW" wptr, wptr, wptr, wptr
; SetupIterateCabinetW CabinetFile, Reserved, MsgHandler, Context   ; 戻り値は stat
; CabinetFile : LPCWSTR -> "wptr"
; Reserved : DWORD optional -> "wptr"
; MsgHandler : PSP_FILE_CALLBACK_W -> "wptr"
; Context : void* -> "wptr"
; ※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 "SETUPAPI.dll"
#cfunc global SetupIterateCabinetW "SetupIterateCabinetW" wstr, int, sptr, sptr
; res = SetupIterateCabinetW(CabinetFile, Reserved, MsgHandler, Context)
; CabinetFile : LPCWSTR -> "wstr"
; Reserved : DWORD optional -> "int"
; MsgHandler : PSP_FILE_CALLBACK_W -> "sptr"
; Context : void* -> "sptr"

; BOOL SetupIterateCabinetW(LPCWSTR CabinetFile, DWORD Reserved, PSP_FILE_CALLBACK_W MsgHandler, void* Context)
#uselib "SETUPAPI.dll"
#cfunc global SetupIterateCabinetW "SetupIterateCabinetW" wstr, int, intptr, intptr
; res = SetupIterateCabinetW(CabinetFile, Reserved, MsgHandler, Context)
; CabinetFile : LPCWSTR -> "wstr"
; Reserved : DWORD optional -> "int"
; MsgHandler : PSP_FILE_CALLBACK_W -> "intptr"
; Context : void* -> "intptr"

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

var (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupIterateCabinetW = setupapi.NewProc("SetupIterateCabinetW")
)

// CabinetFile (LPCWSTR), Reserved (DWORD optional), MsgHandler (PSP_FILE_CALLBACK_W), Context (void*)
r1, _, err := procSetupIterateCabinetW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(CabinetFile))),
	uintptr(Reserved),
	uintptr(MsgHandler),
	uintptr(Context),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupIterateCabinetW(
  CabinetFile: PWideChar;   // LPCWSTR
  Reserved: DWORD;   // DWORD optional
  MsgHandler: Pointer;   // PSP_FILE_CALLBACK_W
  Context: Pointer   // void*
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupIterateCabinetW';

result := DllCall("SETUPAPI\SetupIterateCabinetW"
    , "WStr", CabinetFile   ; LPCWSTR
    , "UInt", Reserved   ; DWORD optional
    , "Ptr", MsgHandler   ; PSP_FILE_CALLBACK_W
    , "Ptr", Context   ; void*
    , "Int")   ; return: BOOL

●SetupIterateCabinetW(CabinetFile, Reserved, MsgHandler, Context) = DLL("SETUPAPI.dll", "bool SetupIterateCabinetW(char*, dword, void*, void*)")
# 呼び出し: SetupIterateCabinetW(CabinetFile, Reserved, MsgHandler, Context)
# CabinetFile : LPCWSTR -> "char*"
# Reserved : DWORD optional -> "dword"
# MsgHandler : PSP_FILE_CALLBACK_W -> "void*"
# Context : void* -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。