EnumPropsA

// USER32.dll  (ANSI / -A)
#include <windows.h>

INT EnumPropsA(
    HWND hWnd,
    PROPENUMPROCA lpEnumFunc
);

<DllImport("USER32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function EnumPropsA(
    hWnd As IntPtr,   ' HWND
    lpEnumFunc As IntPtr   ' PROPENUMPROCA
) As Integer
End Function

' hWnd : HWND
' lpEnumFunc : PROPENUMPROCA
Declare PtrSafe Function EnumPropsA Lib "user32" ( _
    ByVal hWnd As LongPtr, _
    ByVal lpEnumFunc 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

EnumPropsA = ctypes.windll.user32.EnumPropsA
EnumPropsA.restype = ctypes.c_int
EnumPropsA.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    ctypes.c_void_p,  # lpEnumFunc : PROPENUMPROCA
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
EnumPropsA = Fiddle::Function.new(
  lib['EnumPropsA'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    Fiddle::TYPE_VOIDP,  # lpEnumFunc : PROPENUMPROCA
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn EnumPropsA(
        hWnd: *mut core::ffi::c_void,  // HWND
        lpEnumFunc: *const core::ffi::c_void  // PROPENUMPROCA
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", CharSet = CharSet.Ansi)]
public static extern int EnumPropsA(IntPtr hWnd, IntPtr lpEnumFunc);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_EnumPropsA' -Namespace Win32 -PassThru
# $api::EnumPropsA(hWnd, lpEnumFunc)

#uselib "USER32.dll"
#func global EnumPropsA "EnumPropsA" sptr, sptr
; EnumPropsA hWnd, lpEnumFunc   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; lpEnumFunc : PROPENUMPROCA -> "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 EnumPropsA "EnumPropsA" sptr, sptr
; res = EnumPropsA(hWnd, lpEnumFunc)
; hWnd : HWND -> "sptr"
; lpEnumFunc : PROPENUMPROCA -> "sptr"

; INT EnumPropsA(HWND hWnd, PROPENUMPROCA lpEnumFunc)
#uselib "USER32.dll"
#cfunc global EnumPropsA "EnumPropsA" intptr, intptr
; res = EnumPropsA(hWnd, lpEnumFunc)
; hWnd : HWND -> "intptr"
; lpEnumFunc : PROPENUMPROCA -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procEnumPropsA = user32.NewProc("EnumPropsA")
)

// hWnd (HWND), lpEnumFunc (PROPENUMPROCA)
r1, _, err := procEnumPropsA.Call(
	uintptr(hWnd),
	uintptr(lpEnumFunc),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function EnumPropsA(
  hWnd: THandle;   // HWND
  lpEnumFunc: Pointer   // PROPENUMPROCA
): Integer; stdcall;
  external 'USER32.dll' name 'EnumPropsA';

result := DllCall("USER32\EnumPropsA"
    , "Ptr", hWnd   ; HWND
    , "Ptr", lpEnumFunc   ; PROPENUMPROCA
    , "Int")   ; return: INT

●EnumPropsA(hWnd, lpEnumFunc) = DLL("USER32.dll", "int EnumPropsA(void*, void*)")
# 呼び出し: EnumPropsA(hWnd, lpEnumFunc)
# hWnd : HWND -> "void*"
# lpEnumFunc : PROPENUMPROCA -> "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)。