GetMenuItemID

// USER32.dll
#include <windows.h>

DWORD GetMenuItemID(
    HMENU hMenu,
    INT nPos
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function GetMenuItemID(
    hMenu As IntPtr,   ' HMENU
    nPos As Integer   ' INT
) As UInteger
End Function

' hMenu : HMENU
' nPos : INT
Declare PtrSafe Function GetMenuItemID Lib "user32" ( _
    ByVal hMenu As LongPtr, _
    ByVal nPos 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

GetMenuItemID = ctypes.windll.user32.GetMenuItemID
GetMenuItemID.restype = wintypes.DWORD
GetMenuItemID.argtypes = [
    wintypes.HANDLE,  # hMenu : HMENU
    ctypes.c_int,  # nPos : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetMenuItemID = Fiddle::Function.new(
  lib['GetMenuItemID'],
  [
    Fiddle::TYPE_VOIDP,  # hMenu : HMENU
    Fiddle::TYPE_INT,  # nPos : INT
  ],
  -Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetMenuItemID(
        hMenu: *mut core::ffi::c_void,  // HMENU
        nPos: i32  // INT
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern uint GetMenuItemID(IntPtr hMenu, int nPos);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetMenuItemID' -Namespace Win32 -PassThru
# $api::GetMenuItemID(hMenu, nPos)

#uselib "USER32.dll"
#func global GetMenuItemID "GetMenuItemID" sptr, sptr
; GetMenuItemID hMenu, nPos   ; 戻り値は stat
; hMenu : HMENU -> "sptr"
; nPos : INT -> "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 GetMenuItemID "GetMenuItemID" sptr, int
; res = GetMenuItemID(hMenu, nPos)
; hMenu : HMENU -> "sptr"
; nPos : INT -> "int"

; DWORD GetMenuItemID(HMENU hMenu, INT nPos)
#uselib "USER32.dll"
#cfunc global GetMenuItemID "GetMenuItemID" intptr, int
; res = GetMenuItemID(hMenu, nPos)
; hMenu : HMENU -> "intptr"
; nPos : INT -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetMenuItemID = user32.NewProc("GetMenuItemID")
)

// hMenu (HMENU), nPos (INT)
r1, _, err := procGetMenuItemID.Call(
	uintptr(hMenu),
	uintptr(nPos),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetMenuItemID(
  hMenu: THandle;   // HMENU
  nPos: Integer   // INT
): DWORD; stdcall;
  external 'USER32.dll' name 'GetMenuItemID';

result := DllCall("USER32\GetMenuItemID"
    , "Ptr", hMenu   ; HMENU
    , "Int", nPos   ; INT
    , "UInt")   ; return: DWORD

●GetMenuItemID(hMenu, nPos) = DLL("USER32.dll", "dword GetMenuItemID(void*, int)")
# 呼び出し: GetMenuItemID(hMenu, nPos)
# hMenu : HMENU -> "void*"
# nPos : INT -> "int"
# 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)。