ImageList_GetIcon

// COMCTL32.dll
#include <windows.h>

HICON ImageList_GetIcon(
    HIMAGELIST himl,
    INT i,
    IMAGE_LIST_DRAW_STYLE flags
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function ImageList_GetIcon(
    himl As IntPtr,   ' HIMAGELIST
    i As Integer,   ' INT
    flags As UInteger   ' IMAGE_LIST_DRAW_STYLE
) As IntPtr
End Function

' himl : HIMAGELIST
' i : INT
' flags : IMAGE_LIST_DRAW_STYLE
Declare PtrSafe Function ImageList_GetIcon Lib "comctl32" ( _
    ByVal himl As LongPtr, _
    ByVal i As Long, _
    ByVal flags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ImageList_GetIcon = ctypes.windll.comctl32.ImageList_GetIcon
ImageList_GetIcon.restype = ctypes.c_void_p
ImageList_GetIcon.argtypes = [
    ctypes.c_ssize_t,  # himl : HIMAGELIST
    ctypes.c_int,  # i : INT
    wintypes.DWORD,  # flags : IMAGE_LIST_DRAW_STYLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
ImageList_GetIcon = Fiddle::Function.new(
  lib['ImageList_GetIcon'],
  [
    Fiddle::TYPE_INTPTR_T,  # himl : HIMAGELIST
    Fiddle::TYPE_INT,  # i : INT
    -Fiddle::TYPE_INT,  # flags : IMAGE_LIST_DRAW_STYLE
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "comctl32")]
extern "system" {
    fn ImageList_GetIcon(
        himl: isize,  // HIMAGELIST
        i: i32,  // INT
        flags: u32  // IMAGE_LIST_DRAW_STYLE
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("COMCTL32.dll")]
public static extern IntPtr ImageList_GetIcon(IntPtr himl, int i, uint flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_ImageList_GetIcon' -Namespace Win32 -PassThru
# $api::ImageList_GetIcon(himl, i, flags)

#uselib "COMCTL32.dll"
#func global ImageList_GetIcon "ImageList_GetIcon" sptr, sptr, sptr
; ImageList_GetIcon himl, i, flags   ; 戻り値は stat
; himl : HIMAGELIST -> "sptr"
; i : INT -> "sptr"
; flags : IMAGE_LIST_DRAW_STYLE -> "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 "COMCTL32.dll"
#cfunc global ImageList_GetIcon "ImageList_GetIcon" sptr, int, int
; res = ImageList_GetIcon(himl, i, flags)
; himl : HIMAGELIST -> "sptr"
; i : INT -> "int"
; flags : IMAGE_LIST_DRAW_STYLE -> "int"

; HICON ImageList_GetIcon(HIMAGELIST himl, INT i, IMAGE_LIST_DRAW_STYLE flags)
#uselib "COMCTL32.dll"
#cfunc global ImageList_GetIcon "ImageList_GetIcon" intptr, int, int
; res = ImageList_GetIcon(himl, i, flags)
; himl : HIMAGELIST -> "intptr"
; i : INT -> "int"
; flags : IMAGE_LIST_DRAW_STYLE -> "int"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procImageList_GetIcon = comctl32.NewProc("ImageList_GetIcon")
)

// himl (HIMAGELIST), i (INT), flags (IMAGE_LIST_DRAW_STYLE)
r1, _, err := procImageList_GetIcon.Call(
	uintptr(himl),
	uintptr(i),
	uintptr(flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HICON

function ImageList_GetIcon(
  himl: NativeInt;   // HIMAGELIST
  i: Integer;   // INT
  flags: DWORD   // IMAGE_LIST_DRAW_STYLE
): THandle; stdcall;
  external 'COMCTL32.dll' name 'ImageList_GetIcon';

result := DllCall("COMCTL32\ImageList_GetIcon"
    , "Ptr", himl   ; HIMAGELIST
    , "Int", i   ; INT
    , "UInt", flags   ; IMAGE_LIST_DRAW_STYLE
    , "Ptr")   ; return: HICON

●ImageList_GetIcon(himl, i, flags) = DLL("COMCTL32.dll", "void* ImageList_GetIcon(int, int, dword)")
# 呼び出し: ImageList_GetIcon(himl, i, flags)
# himl : HIMAGELIST -> "int"
# i : INT -> "int"
# flags : IMAGE_LIST_DRAW_STYLE -> "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)。