ImageList_SetBkColor

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

COLORREF ImageList_SetBkColor(
    HIMAGELIST himl,
    COLORREF clrBk
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function ImageList_SetBkColor(
    himl As IntPtr,   ' HIMAGELIST
    clrBk As UInteger   ' COLORREF
) As UInteger
End Function

' himl : HIMAGELIST
' clrBk : COLORREF
Declare PtrSafe Function ImageList_SetBkColor Lib "comctl32" ( _
    ByVal himl As LongPtr, _
    ByVal clrBk 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

ImageList_SetBkColor = ctypes.windll.comctl32.ImageList_SetBkColor
ImageList_SetBkColor.restype = wintypes.DWORD
ImageList_SetBkColor.argtypes = [
    ctypes.c_ssize_t,  # himl : HIMAGELIST
    wintypes.DWORD,  # clrBk : COLORREF
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
ImageList_SetBkColor = Fiddle::Function.new(
  lib['ImageList_SetBkColor'],
  [
    Fiddle::TYPE_INTPTR_T,  # himl : HIMAGELIST
    -Fiddle::TYPE_INT,  # clrBk : COLORREF
  ],
  -Fiddle::TYPE_INT)

#[link(name = "comctl32")]
extern "system" {
    fn ImageList_SetBkColor(
        himl: isize,  // HIMAGELIST
        clrBk: u32  // COLORREF
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("COMCTL32.dll")]
public static extern uint ImageList_SetBkColor(IntPtr himl, uint clrBk);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_ImageList_SetBkColor' -Namespace Win32 -PassThru
# $api::ImageList_SetBkColor(himl, clrBk)

#uselib "COMCTL32.dll"
#func global ImageList_SetBkColor "ImageList_SetBkColor" sptr, sptr
; ImageList_SetBkColor himl, clrBk   ; 戻り値は stat
; himl : HIMAGELIST -> "sptr"
; clrBk : COLORREF -> "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_SetBkColor "ImageList_SetBkColor" sptr, int
; res = ImageList_SetBkColor(himl, clrBk)
; himl : HIMAGELIST -> "sptr"
; clrBk : COLORREF -> "int"

; COLORREF ImageList_SetBkColor(HIMAGELIST himl, COLORREF clrBk)
#uselib "COMCTL32.dll"
#cfunc global ImageList_SetBkColor "ImageList_SetBkColor" intptr, int
; res = ImageList_SetBkColor(himl, clrBk)
; himl : HIMAGELIST -> "intptr"
; clrBk : COLORREF -> "int"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procImageList_SetBkColor = comctl32.NewProc("ImageList_SetBkColor")
)

// himl (HIMAGELIST), clrBk (COLORREF)
r1, _, err := procImageList_SetBkColor.Call(
	uintptr(himl),
	uintptr(clrBk),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // COLORREF

function ImageList_SetBkColor(
  himl: NativeInt;   // HIMAGELIST
  clrBk: DWORD   // COLORREF
): DWORD; stdcall;
  external 'COMCTL32.dll' name 'ImageList_SetBkColor';

result := DllCall("COMCTL32\ImageList_SetBkColor"
    , "Ptr", himl   ; HIMAGELIST
    , "UInt", clrBk   ; COLORREF
    , "UInt")   ; return: COLORREF

●ImageList_SetBkColor(himl, clrBk) = DLL("COMCTL32.dll", "dword ImageList_SetBkColor(int, dword)")
# 呼び出し: ImageList_SetBkColor(himl, clrBk)
# himl : HIMAGELIST -> "int"
# clrBk : COLORREF -> "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)。