SHGetImageList

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

HRESULT SHGetImageList(
    INT iImageList,
    const GUID* riid,
    void** ppvObj
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHGetImageList(
    iImageList As Integer,   ' INT
    ByRef riid As Guid,   ' GUID*
    ppvObj As IntPtr   ' void** out
) As Integer
End Function

' iImageList : INT
' riid : GUID*
' ppvObj : void** out
Declare PtrSafe Function SHGetImageList Lib "shell32" ( _
    ByVal iImageList As Long, _
    ByVal riid As LongPtr, _
    ByVal ppvObj 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

SHGetImageList = ctypes.windll.shell32.SHGetImageList
SHGetImageList.restype = ctypes.c_int
SHGetImageList.argtypes = [
    ctypes.c_int,  # iImageList : INT
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppvObj : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHGetImageList = Fiddle::Function.new(
  lib['SHGetImageList'],
  [
    Fiddle::TYPE_INT,  # iImageList : INT
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppvObj : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHGetImageList(
        iImageList: i32,  // INT
        riid: *const GUID,  // GUID*
        ppvObj: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHGetImageList(int iImageList, ref Guid riid, IntPtr ppvObj);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHGetImageList' -Namespace Win32 -PassThru
# $api::SHGetImageList(iImageList, riid, ppvObj)

#uselib "SHELL32.dll"
#func global SHGetImageList "SHGetImageList" sptr, sptr, sptr
; SHGetImageList iImageList, varptr(riid), ppvObj   ; 戻り値は stat
; iImageList : INT -> "sptr"
; riid : GUID* -> "sptr"
; ppvObj : void** 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 SHGetImageList "SHGetImageList" int, var, sptr
; res = SHGetImageList(iImageList, riid, ppvObj)
; iImageList : INT -> "int"
; riid : GUID* -> "var"
; ppvObj : void** 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 SHGetImageList(INT iImageList, GUID* riid, void** ppvObj)
#uselib "SHELL32.dll"
#cfunc global SHGetImageList "SHGetImageList" int, var, intptr
; res = SHGetImageList(iImageList, riid, ppvObj)
; iImageList : INT -> "int"
; riid : GUID* -> "var"
; ppvObj : void** 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")
	procSHGetImageList = shell32.NewProc("SHGetImageList")
)

// iImageList (INT), riid (GUID*), ppvObj (void** out)
r1, _, err := procSHGetImageList.Call(
	uintptr(iImageList),
	uintptr(riid),
	uintptr(ppvObj),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHGetImageList(
  iImageList: Integer;   // INT
  riid: PGUID;   // GUID*
  ppvObj: Pointer   // void** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHGetImageList';

result := DllCall("SHELL32\SHGetImageList"
    , "Int", iImageList   ; INT
    , "Ptr", riid   ; GUID*
    , "Ptr", ppvObj   ; void** out
    , "Int")   ; return: HRESULT

●SHGetImageList(iImageList, riid, ppvObj) = DLL("SHELL32.dll", "int SHGetImageList(int, void*, void*)")
# 呼び出し: SHGetImageList(iImageList, riid, ppvObj)
# iImageList : INT -> "int"
# riid : GUID* -> "void*"
# ppvObj : void** 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)。