SHCreateShellItemArray

// SHELL32.dll
#include <windows.h>

HRESULT SHCreateShellItemArray(
    ITEMIDLIST* pidlParent,   // optional
    IShellFolder* psf,   // optional
    DWORD cidl,
    ITEMIDLIST** ppidl,   // optional
    IShellItemArray** ppsiItemArray
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHCreateShellItemArray(
    pidlParent As IntPtr,   ' ITEMIDLIST* optional
    psf As IntPtr,   ' IShellFolder* optional
    cidl As UInteger,   ' DWORD
    ppidl As IntPtr,   ' ITEMIDLIST** optional
    ppsiItemArray As IntPtr   ' IShellItemArray** out
) As Integer
End Function

' pidlParent : ITEMIDLIST* optional
' psf : IShellFolder* optional
' cidl : DWORD
' ppidl : ITEMIDLIST** optional
' ppsiItemArray : IShellItemArray** out
Declare PtrSafe Function SHCreateShellItemArray Lib "shell32" ( _
    ByVal pidlParent As LongPtr, _
    ByVal psf As LongPtr, _
    ByVal cidl As Long, _
    ByVal ppidl As LongPtr, _
    ByVal ppsiItemArray As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHCreateShellItemArray = ctypes.windll.shell32.SHCreateShellItemArray
SHCreateShellItemArray.restype = ctypes.c_int
SHCreateShellItemArray.argtypes = [
    ctypes.c_void_p,  # pidlParent : ITEMIDLIST* optional
    ctypes.c_void_p,  # psf : IShellFolder* optional
    wintypes.DWORD,  # cidl : DWORD
    ctypes.c_void_p,  # ppidl : ITEMIDLIST** optional
    ctypes.c_void_p,  # ppsiItemArray : IShellItemArray** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHCreateShellItemArray = Fiddle::Function.new(
  lib['SHCreateShellItemArray'],
  [
    Fiddle::TYPE_VOIDP,  # pidlParent : ITEMIDLIST* optional
    Fiddle::TYPE_VOIDP,  # psf : IShellFolder* optional
    -Fiddle::TYPE_INT,  # cidl : DWORD
    Fiddle::TYPE_VOIDP,  # ppidl : ITEMIDLIST** optional
    Fiddle::TYPE_VOIDP,  # ppsiItemArray : IShellItemArray** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHCreateShellItemArray(
        pidlParent: *mut ITEMIDLIST,  // ITEMIDLIST* optional
        psf: *mut core::ffi::c_void,  // IShellFolder* optional
        cidl: u32,  // DWORD
        ppidl: *mut *mut ITEMIDLIST,  // ITEMIDLIST** optional
        ppsiItemArray: *mut *mut core::ffi::c_void  // IShellItemArray** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHCreateShellItemArray(IntPtr pidlParent, IntPtr psf, uint cidl, IntPtr ppidl, IntPtr ppsiItemArray);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHCreateShellItemArray' -Namespace Win32 -PassThru
# $api::SHCreateShellItemArray(pidlParent, psf, cidl, ppidl, ppsiItemArray)

#uselib "SHELL32.dll"
#func global SHCreateShellItemArray "SHCreateShellItemArray" sptr, sptr, sptr, sptr, sptr
; SHCreateShellItemArray varptr(pidlParent), psf, cidl, varptr(ppidl), ppsiItemArray   ; 戻り値は stat
; pidlParent : ITEMIDLIST* optional -> "sptr"
; psf : IShellFolder* optional -> "sptr"
; cidl : DWORD -> "sptr"
; ppidl : ITEMIDLIST** optional -> "sptr"
; ppsiItemArray : IShellItemArray** 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 "SHELL32.dll"
#cfunc global SHCreateShellItemArray "SHCreateShellItemArray" var, sptr, int, var, sptr
; res = SHCreateShellItemArray(pidlParent, psf, cidl, ppidl, ppsiItemArray)
; pidlParent : ITEMIDLIST* optional -> "var"
; psf : IShellFolder* optional -> "sptr"
; cidl : DWORD -> "int"
; ppidl : ITEMIDLIST** optional -> "var"
; ppsiItemArray : IShellItemArray** out -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT SHCreateShellItemArray(ITEMIDLIST* pidlParent, IShellFolder* psf, DWORD cidl, ITEMIDLIST** ppidl, IShellItemArray** ppsiItemArray)
#uselib "SHELL32.dll"
#cfunc global SHCreateShellItemArray "SHCreateShellItemArray" var, intptr, int, var, intptr
; res = SHCreateShellItemArray(pidlParent, psf, cidl, ppidl, ppsiItemArray)
; pidlParent : ITEMIDLIST* optional -> "var"
; psf : IShellFolder* optional -> "intptr"
; cidl : DWORD -> "int"
; ppidl : ITEMIDLIST** optional -> "var"
; ppsiItemArray : IShellItemArray** out -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHCreateShellItemArray = shell32.NewProc("SHCreateShellItemArray")
)

// pidlParent (ITEMIDLIST* optional), psf (IShellFolder* optional), cidl (DWORD), ppidl (ITEMIDLIST** optional), ppsiItemArray (IShellItemArray** out)
r1, _, err := procSHCreateShellItemArray.Call(
	uintptr(pidlParent),
	uintptr(psf),
	uintptr(cidl),
	uintptr(ppidl),
	uintptr(ppsiItemArray),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHCreateShellItemArray(
  pidlParent: Pointer;   // ITEMIDLIST* optional
  psf: Pointer;   // IShellFolder* optional
  cidl: DWORD;   // DWORD
  ppidl: Pointer;   // ITEMIDLIST** optional
  ppsiItemArray: Pointer   // IShellItemArray** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHCreateShellItemArray';

result := DllCall("SHELL32\SHCreateShellItemArray"
    , "Ptr", pidlParent   ; ITEMIDLIST* optional
    , "Ptr", psf   ; IShellFolder* optional
    , "UInt", cidl   ; DWORD
    , "Ptr", ppidl   ; ITEMIDLIST** optional
    , "Ptr", ppsiItemArray   ; IShellItemArray** out
    , "Int")   ; return: HRESULT

●SHCreateShellItemArray(pidlParent, psf, cidl, ppidl, ppsiItemArray) = DLL("SHELL32.dll", "int SHCreateShellItemArray(void*, void*, dword, void*, void*)")
# 呼び出し: SHCreateShellItemArray(pidlParent, psf, cidl, ppidl, ppsiItemArray)
# pidlParent : ITEMIDLIST* optional -> "void*"
# psf : IShellFolder* optional -> "void*"
# cidl : DWORD -> "dword"
# ppidl : ITEMIDLIST** optional -> "void*"
# ppsiItemArray : IShellItemArray** 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)。