ImageList_SetImageCount

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

BOOL ImageList_SetImageCount(
    HIMAGELIST himl,
    DWORD uNewCount
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function ImageList_SetImageCount(
    himl As IntPtr,   ' HIMAGELIST
    uNewCount As UInteger   ' DWORD
) As Boolean
End Function

' himl : HIMAGELIST
' uNewCount : DWORD
Declare PtrSafe Function ImageList_SetImageCount Lib "comctl32" ( _
    ByVal himl As LongPtr, _
    ByVal uNewCount 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_SetImageCount = ctypes.windll.comctl32.ImageList_SetImageCount
ImageList_SetImageCount.restype = wintypes.BOOL
ImageList_SetImageCount.argtypes = [
    ctypes.c_ssize_t,  # himl : HIMAGELIST
    wintypes.DWORD,  # uNewCount : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
ImageList_SetImageCount = Fiddle::Function.new(
  lib['ImageList_SetImageCount'],
  [
    Fiddle::TYPE_INTPTR_T,  # himl : HIMAGELIST
    -Fiddle::TYPE_INT,  # uNewCount : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "comctl32")]
extern "system" {
    fn ImageList_SetImageCount(
        himl: isize,  // HIMAGELIST
        uNewCount: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll")]
public static extern bool ImageList_SetImageCount(IntPtr himl, uint uNewCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_ImageList_SetImageCount' -Namespace Win32 -PassThru
# $api::ImageList_SetImageCount(himl, uNewCount)

#uselib "COMCTL32.dll"
#func global ImageList_SetImageCount "ImageList_SetImageCount" sptr, sptr
; ImageList_SetImageCount himl, uNewCount   ; 戻り値は stat
; himl : HIMAGELIST -> "sptr"
; uNewCount : DWORD -> "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_SetImageCount "ImageList_SetImageCount" sptr, int
; res = ImageList_SetImageCount(himl, uNewCount)
; himl : HIMAGELIST -> "sptr"
; uNewCount : DWORD -> "int"

; BOOL ImageList_SetImageCount(HIMAGELIST himl, DWORD uNewCount)
#uselib "COMCTL32.dll"
#cfunc global ImageList_SetImageCount "ImageList_SetImageCount" intptr, int
; res = ImageList_SetImageCount(himl, uNewCount)
; himl : HIMAGELIST -> "intptr"
; uNewCount : DWORD -> "int"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procImageList_SetImageCount = comctl32.NewProc("ImageList_SetImageCount")
)

// himl (HIMAGELIST), uNewCount (DWORD)
r1, _, err := procImageList_SetImageCount.Call(
	uintptr(himl),
	uintptr(uNewCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ImageList_SetImageCount(
  himl: NativeInt;   // HIMAGELIST
  uNewCount: DWORD   // DWORD
): BOOL; stdcall;
  external 'COMCTL32.dll' name 'ImageList_SetImageCount';

result := DllCall("COMCTL32\ImageList_SetImageCount"
    , "Ptr", himl   ; HIMAGELIST
    , "UInt", uNewCount   ; DWORD
    , "Int")   ; return: BOOL

●ImageList_SetImageCount(himl, uNewCount) = DLL("COMCTL32.dll", "bool ImageList_SetImageCount(int, dword)")
# 呼び出し: ImageList_SetImageCount(himl, uNewCount)
# himl : HIMAGELIST -> "int"
# uNewCount : DWORD -> "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)。