SHCreateShellItemArrayFromIDLists

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

HRESULT SHCreateShellItemArrayFromIDLists(
    DWORD cidl,
    ITEMIDLIST** rgpidl,
    IShellItemArray** ppsiItemArray
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHCreateShellItemArrayFromIDLists(
    cidl As UInteger,   ' DWORD
    rgpidl As IntPtr,   ' ITEMIDLIST**
    ppsiItemArray As IntPtr   ' IShellItemArray** out
) As Integer
End Function

' cidl : DWORD
' rgpidl : ITEMIDLIST**
' ppsiItemArray : IShellItemArray** out
Declare PtrSafe Function SHCreateShellItemArrayFromIDLists Lib "shell32" ( _
    ByVal cidl As Long, _
    ByVal rgpidl 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

SHCreateShellItemArrayFromIDLists = ctypes.windll.shell32.SHCreateShellItemArrayFromIDLists
SHCreateShellItemArrayFromIDLists.restype = ctypes.c_int
SHCreateShellItemArrayFromIDLists.argtypes = [
    wintypes.DWORD,  # cidl : DWORD
    ctypes.c_void_p,  # rgpidl : ITEMIDLIST**
    ctypes.c_void_p,  # ppsiItemArray : IShellItemArray** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHCreateShellItemArrayFromIDLists = Fiddle::Function.new(
  lib['SHCreateShellItemArrayFromIDLists'],
  [
    -Fiddle::TYPE_INT,  # cidl : DWORD
    Fiddle::TYPE_VOIDP,  # rgpidl : ITEMIDLIST**
    Fiddle::TYPE_VOIDP,  # ppsiItemArray : IShellItemArray** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHCreateShellItemArrayFromIDLists(
        cidl: u32,  // DWORD
        rgpidl: *mut *mut ITEMIDLIST,  // ITEMIDLIST**
        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 SHCreateShellItemArrayFromIDLists(uint cidl, IntPtr rgpidl, IntPtr ppsiItemArray);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHCreateShellItemArrayFromIDLists' -Namespace Win32 -PassThru
# $api::SHCreateShellItemArrayFromIDLists(cidl, rgpidl, ppsiItemArray)

#uselib "SHELL32.dll"
#func global SHCreateShellItemArrayFromIDLists "SHCreateShellItemArrayFromIDLists" sptr, sptr, sptr
; SHCreateShellItemArrayFromIDLists cidl, varptr(rgpidl), ppsiItemArray   ; 戻り値は stat
; cidl : DWORD -> "sptr"
; rgpidl : ITEMIDLIST** -> "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 SHCreateShellItemArrayFromIDLists "SHCreateShellItemArrayFromIDLists" int, var, sptr
; res = SHCreateShellItemArrayFromIDLists(cidl, rgpidl, ppsiItemArray)
; cidl : DWORD -> "int"
; rgpidl : ITEMIDLIST** -> "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 SHCreateShellItemArrayFromIDLists(DWORD cidl, ITEMIDLIST** rgpidl, IShellItemArray** ppsiItemArray)
#uselib "SHELL32.dll"
#cfunc global SHCreateShellItemArrayFromIDLists "SHCreateShellItemArrayFromIDLists" int, var, intptr
; res = SHCreateShellItemArrayFromIDLists(cidl, rgpidl, ppsiItemArray)
; cidl : DWORD -> "int"
; rgpidl : ITEMIDLIST** -> "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")
	procSHCreateShellItemArrayFromIDLists = shell32.NewProc("SHCreateShellItemArrayFromIDLists")
)

// cidl (DWORD), rgpidl (ITEMIDLIST**), ppsiItemArray (IShellItemArray** out)
r1, _, err := procSHCreateShellItemArrayFromIDLists.Call(
	uintptr(cidl),
	uintptr(rgpidl),
	uintptr(ppsiItemArray),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHCreateShellItemArrayFromIDLists(
  cidl: DWORD;   // DWORD
  rgpidl: Pointer;   // ITEMIDLIST**
  ppsiItemArray: Pointer   // IShellItemArray** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHCreateShellItemArrayFromIDLists';

result := DllCall("SHELL32\SHCreateShellItemArrayFromIDLists"
    , "UInt", cidl   ; DWORD
    , "Ptr", rgpidl   ; ITEMIDLIST**
    , "Ptr", ppsiItemArray   ; IShellItemArray** out
    , "Int")   ; return: HRESULT

●SHCreateShellItemArrayFromIDLists(cidl, rgpidl, ppsiItemArray) = DLL("SHELL32.dll", "int SHCreateShellItemArrayFromIDLists(dword, void*, void*)")
# 呼び出し: SHCreateShellItemArrayFromIDLists(cidl, rgpidl, ppsiItemArray)
# cidl : DWORD -> "dword"
# rgpidl : ITEMIDLIST** -> "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)。