LookupIconIdFromDirectoryEx

// USER32.dll
#include <windows.h>

INT LookupIconIdFromDirectoryEx(
    BYTE* presbits,
    BOOL fIcon,
    INT cxDesired,
    INT cyDesired,
    IMAGE_FLAGS Flags
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function LookupIconIdFromDirectoryEx(
    presbits As IntPtr,   ' BYTE*
    fIcon As Boolean,   ' BOOL
    cxDesired As Integer,   ' INT
    cyDesired As Integer,   ' INT
    Flags As UInteger   ' IMAGE_FLAGS
) As Integer
End Function

' presbits : BYTE*
' fIcon : BOOL
' cxDesired : INT
' cyDesired : INT
' Flags : IMAGE_FLAGS
Declare PtrSafe Function LookupIconIdFromDirectoryEx Lib "user32" ( _
    ByVal presbits As LongPtr, _
    ByVal fIcon As Long, _
    ByVal cxDesired As Long, _
    ByVal cyDesired As Long, _
    ByVal Flags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

LookupIconIdFromDirectoryEx = ctypes.windll.user32.LookupIconIdFromDirectoryEx
LookupIconIdFromDirectoryEx.restype = ctypes.c_int
LookupIconIdFromDirectoryEx.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # presbits : BYTE*
    wintypes.BOOL,  # fIcon : BOOL
    ctypes.c_int,  # cxDesired : INT
    ctypes.c_int,  # cyDesired : INT
    wintypes.DWORD,  # Flags : IMAGE_FLAGS
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
LookupIconIdFromDirectoryEx = Fiddle::Function.new(
  lib['LookupIconIdFromDirectoryEx'],
  [
    Fiddle::TYPE_VOIDP,  # presbits : BYTE*
    Fiddle::TYPE_INT,  # fIcon : BOOL
    Fiddle::TYPE_INT,  # cxDesired : INT
    Fiddle::TYPE_INT,  # cyDesired : INT
    -Fiddle::TYPE_INT,  # Flags : IMAGE_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn LookupIconIdFromDirectoryEx(
        presbits: *mut u8,  // BYTE*
        fIcon: i32,  // BOOL
        cxDesired: i32,  // INT
        cyDesired: i32,  // INT
        Flags: u32  // IMAGE_FLAGS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", SetLastError = true)]
public static extern int LookupIconIdFromDirectoryEx(IntPtr presbits, bool fIcon, int cxDesired, int cyDesired, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_LookupIconIdFromDirectoryEx' -Namespace Win32 -PassThru
# $api::LookupIconIdFromDirectoryEx(presbits, fIcon, cxDesired, cyDesired, Flags)

#uselib "USER32.dll"
#func global LookupIconIdFromDirectoryEx "LookupIconIdFromDirectoryEx" sptr, sptr, sptr, sptr, sptr
; LookupIconIdFromDirectoryEx varptr(presbits), fIcon, cxDesired, cyDesired, Flags   ; 戻り値は stat
; presbits : BYTE* -> "sptr"
; fIcon : BOOL -> "sptr"
; cxDesired : INT -> "sptr"
; cyDesired : INT -> "sptr"
; Flags : IMAGE_FLAGS -> "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 "USER32.dll"
#cfunc global LookupIconIdFromDirectoryEx "LookupIconIdFromDirectoryEx" var, int, int, int, int
; res = LookupIconIdFromDirectoryEx(presbits, fIcon, cxDesired, cyDesired, Flags)
; presbits : BYTE* -> "var"
; fIcon : BOOL -> "int"
; cxDesired : INT -> "int"
; cyDesired : INT -> "int"
; Flags : IMAGE_FLAGS -> "int"
; ※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。

; INT LookupIconIdFromDirectoryEx(BYTE* presbits, BOOL fIcon, INT cxDesired, INT cyDesired, IMAGE_FLAGS Flags)
#uselib "USER32.dll"
#cfunc global LookupIconIdFromDirectoryEx "LookupIconIdFromDirectoryEx" var, int, int, int, int
; res = LookupIconIdFromDirectoryEx(presbits, fIcon, cxDesired, cyDesired, Flags)
; presbits : BYTE* -> "var"
; fIcon : BOOL -> "int"
; cxDesired : INT -> "int"
; cyDesired : INT -> "int"
; Flags : IMAGE_FLAGS -> "int"
; ※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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procLookupIconIdFromDirectoryEx = user32.NewProc("LookupIconIdFromDirectoryEx")
)

// presbits (BYTE*), fIcon (BOOL), cxDesired (INT), cyDesired (INT), Flags (IMAGE_FLAGS)
r1, _, err := procLookupIconIdFromDirectoryEx.Call(
	uintptr(presbits),
	uintptr(fIcon),
	uintptr(cxDesired),
	uintptr(cyDesired),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function LookupIconIdFromDirectoryEx(
  presbits: Pointer;   // BYTE*
  fIcon: BOOL;   // BOOL
  cxDesired: Integer;   // INT
  cyDesired: Integer;   // INT
  Flags: DWORD   // IMAGE_FLAGS
): Integer; stdcall;
  external 'USER32.dll' name 'LookupIconIdFromDirectoryEx';

result := DllCall("USER32\LookupIconIdFromDirectoryEx"
    , "Ptr", presbits   ; BYTE*
    , "Int", fIcon   ; BOOL
    , "Int", cxDesired   ; INT
    , "Int", cyDesired   ; INT
    , "UInt", Flags   ; IMAGE_FLAGS
    , "Int")   ; return: INT

●LookupIconIdFromDirectoryEx(presbits, fIcon, cxDesired, cyDesired, Flags) = DLL("USER32.dll", "int LookupIconIdFromDirectoryEx(void*, bool, int, int, dword)")
# 呼び出し: LookupIconIdFromDirectoryEx(presbits, fIcon, cxDesired, cyDesired, Flags)
# presbits : BYTE* -> "void*"
# fIcon : BOOL -> "bool"
# cxDesired : INT -> "int"
# cyDesired : INT -> "int"
# Flags : IMAGE_FLAGS -> "dword"
# 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)。