SHGetRealIDL

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

HRESULT SHGetRealIDL(
    IShellFolder* psf,
    ITEMIDLIST* pidlSimple,
    ITEMIDLIST** ppidlReal
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHGetRealIDL(
    psf As IntPtr,   ' IShellFolder*
    pidlSimple As IntPtr,   ' ITEMIDLIST*
    ppidlReal As IntPtr   ' ITEMIDLIST** out
) As Integer
End Function

' psf : IShellFolder*
' pidlSimple : ITEMIDLIST*
' ppidlReal : ITEMIDLIST** out
Declare PtrSafe Function SHGetRealIDL Lib "shell32" ( _
    ByVal psf As LongPtr, _
    ByVal pidlSimple As LongPtr, _
    ByVal ppidlReal 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

SHGetRealIDL = ctypes.windll.shell32.SHGetRealIDL
SHGetRealIDL.restype = ctypes.c_int
SHGetRealIDL.argtypes = [
    ctypes.c_void_p,  # psf : IShellFolder*
    ctypes.c_void_p,  # pidlSimple : ITEMIDLIST*
    ctypes.c_void_p,  # ppidlReal : ITEMIDLIST** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHGetRealIDL = Fiddle::Function.new(
  lib['SHGetRealIDL'],
  [
    Fiddle::TYPE_VOIDP,  # psf : IShellFolder*
    Fiddle::TYPE_VOIDP,  # pidlSimple : ITEMIDLIST*
    Fiddle::TYPE_VOIDP,  # ppidlReal : ITEMIDLIST** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHGetRealIDL(
        psf: *mut core::ffi::c_void,  // IShellFolder*
        pidlSimple: *mut ITEMIDLIST,  // ITEMIDLIST*
        ppidlReal: *mut *mut ITEMIDLIST  // ITEMIDLIST** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHGetRealIDL(IntPtr psf, IntPtr pidlSimple, IntPtr ppidlReal);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHGetRealIDL' -Namespace Win32 -PassThru
# $api::SHGetRealIDL(psf, pidlSimple, ppidlReal)

#uselib "SHELL32.dll"
#func global SHGetRealIDL "SHGetRealIDL" sptr, sptr, sptr
; SHGetRealIDL psf, varptr(pidlSimple), varptr(ppidlReal)   ; 戻り値は stat
; psf : IShellFolder* -> "sptr"
; pidlSimple : ITEMIDLIST* -> "sptr"
; ppidlReal : ITEMIDLIST** 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 SHGetRealIDL "SHGetRealIDL" sptr, var, var
; res = SHGetRealIDL(psf, pidlSimple, ppidlReal)
; psf : IShellFolder* -> "sptr"
; pidlSimple : ITEMIDLIST* -> "var"
; ppidlReal : ITEMIDLIST** out -> "var"
; ※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 SHGetRealIDL(IShellFolder* psf, ITEMIDLIST* pidlSimple, ITEMIDLIST** ppidlReal)
#uselib "SHELL32.dll"
#cfunc global SHGetRealIDL "SHGetRealIDL" intptr, var, var
; res = SHGetRealIDL(psf, pidlSimple, ppidlReal)
; psf : IShellFolder* -> "intptr"
; pidlSimple : ITEMIDLIST* -> "var"
; ppidlReal : ITEMIDLIST** out -> "var"
; ※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")
	procSHGetRealIDL = shell32.NewProc("SHGetRealIDL")
)

// psf (IShellFolder*), pidlSimple (ITEMIDLIST*), ppidlReal (ITEMIDLIST** out)
r1, _, err := procSHGetRealIDL.Call(
	uintptr(psf),
	uintptr(pidlSimple),
	uintptr(ppidlReal),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHGetRealIDL(
  psf: Pointer;   // IShellFolder*
  pidlSimple: Pointer;   // ITEMIDLIST*
  ppidlReal: Pointer   // ITEMIDLIST** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHGetRealIDL';

result := DllCall("SHELL32\SHGetRealIDL"
    , "Ptr", psf   ; IShellFolder*
    , "Ptr", pidlSimple   ; ITEMIDLIST*
    , "Ptr", ppidlReal   ; ITEMIDLIST** out
    , "Int")   ; return: HRESULT

●SHGetRealIDL(psf, pidlSimple, ppidlReal) = DLL("SHELL32.dll", "int SHGetRealIDL(void*, void*, void*)")
# 呼び出し: SHGetRealIDL(psf, pidlSimple, ppidlReal)
# psf : IShellFolder* -> "void*"
# pidlSimple : ITEMIDLIST* -> "void*"
# ppidlReal : ITEMIDLIST** 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)。