ImageList_GetIconSize

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

BOOL ImageList_GetIconSize(
    HIMAGELIST himl,
    INT* cx,   // optional
    INT* cy   // optional
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function ImageList_GetIconSize(
    himl As IntPtr,   ' HIMAGELIST
    cx As IntPtr,   ' INT* optional, out
    cy As IntPtr   ' INT* optional, out
) As Boolean
End Function

' himl : HIMAGELIST
' cx : INT* optional, out
' cy : INT* optional, out
Declare PtrSafe Function ImageList_GetIconSize Lib "comctl32" ( _
    ByVal himl As LongPtr, _
    ByVal cx As LongPtr, _
    ByVal cy 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

ImageList_GetIconSize = ctypes.windll.comctl32.ImageList_GetIconSize
ImageList_GetIconSize.restype = wintypes.BOOL
ImageList_GetIconSize.argtypes = [
    ctypes.c_ssize_t,  # himl : HIMAGELIST
    ctypes.POINTER(ctypes.c_int),  # cx : INT* optional, out
    ctypes.POINTER(ctypes.c_int),  # cy : INT* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
ImageList_GetIconSize = Fiddle::Function.new(
  lib['ImageList_GetIconSize'],
  [
    Fiddle::TYPE_INTPTR_T,  # himl : HIMAGELIST
    Fiddle::TYPE_VOIDP,  # cx : INT* optional, out
    Fiddle::TYPE_VOIDP,  # cy : INT* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "comctl32")]
extern "system" {
    fn ImageList_GetIconSize(
        himl: isize,  // HIMAGELIST
        cx: *mut i32,  // INT* optional, out
        cy: *mut i32  // INT* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll")]
public static extern bool ImageList_GetIconSize(IntPtr himl, IntPtr cx, IntPtr cy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_ImageList_GetIconSize' -Namespace Win32 -PassThru
# $api::ImageList_GetIconSize(himl, cx, cy)

#uselib "COMCTL32.dll"
#func global ImageList_GetIconSize "ImageList_GetIconSize" sptr, sptr, sptr
; ImageList_GetIconSize himl, varptr(cx), varptr(cy)   ; 戻り値は stat
; himl : HIMAGELIST -> "sptr"
; cx : INT* optional, out -> "sptr"
; cy : INT* optional, 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 "COMCTL32.dll"
#cfunc global ImageList_GetIconSize "ImageList_GetIconSize" sptr, var, var
; res = ImageList_GetIconSize(himl, cx, cy)
; himl : HIMAGELIST -> "sptr"
; cx : INT* optional, out -> "var"
; cy : INT* optional, out -> "var"
; ※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。

; BOOL ImageList_GetIconSize(HIMAGELIST himl, INT* cx, INT* cy)
#uselib "COMCTL32.dll"
#cfunc global ImageList_GetIconSize "ImageList_GetIconSize" intptr, var, var
; res = ImageList_GetIconSize(himl, cx, cy)
; himl : HIMAGELIST -> "intptr"
; cx : INT* optional, out -> "var"
; cy : INT* optional, out -> "var"
; ※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 (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procImageList_GetIconSize = comctl32.NewProc("ImageList_GetIconSize")
)

// himl (HIMAGELIST), cx (INT* optional, out), cy (INT* optional, out)
r1, _, err := procImageList_GetIconSize.Call(
	uintptr(himl),
	uintptr(cx),
	uintptr(cy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ImageList_GetIconSize(
  himl: NativeInt;   // HIMAGELIST
  cx: Pointer;   // INT* optional, out
  cy: Pointer   // INT* optional, out
): BOOL; stdcall;
  external 'COMCTL32.dll' name 'ImageList_GetIconSize';

result := DllCall("COMCTL32\ImageList_GetIconSize"
    , "Ptr", himl   ; HIMAGELIST
    , "Ptr", cx   ; INT* optional, out
    , "Ptr", cy   ; INT* optional, out
    , "Int")   ; return: BOOL

●ImageList_GetIconSize(himl, cx, cy) = DLL("COMCTL32.dll", "bool ImageList_GetIconSize(int, void*, void*)")
# 呼び出し: ImageList_GetIconSize(himl, cx, cy)
# himl : HIMAGELIST -> "int"
# cx : INT* optional, out -> "void*"
# cy : INT* optional, 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)。