GetMenuItemInfoA

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

BOOL GetMenuItemInfoA(
    HMENU hmenu,
    DWORD item,
    BOOL fByPosition,
    MENUITEMINFOA* lpmii
);

<DllImport("USER32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetMenuItemInfoA(
    hmenu As IntPtr,   ' HMENU
    item As UInteger,   ' DWORD
    fByPosition As Boolean,   ' BOOL
    lpmii As IntPtr   ' MENUITEMINFOA* in/out
) As Boolean
End Function

' hmenu : HMENU
' item : DWORD
' fByPosition : BOOL
' lpmii : MENUITEMINFOA* in/out
Declare PtrSafe Function GetMenuItemInfoA Lib "user32" ( _
    ByVal hmenu As LongPtr, _
    ByVal item As Long, _
    ByVal fByPosition As Long, _
    ByVal lpmii 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

GetMenuItemInfoA = ctypes.windll.user32.GetMenuItemInfoA
GetMenuItemInfoA.restype = wintypes.BOOL
GetMenuItemInfoA.argtypes = [
    wintypes.HANDLE,  # hmenu : HMENU
    wintypes.DWORD,  # item : DWORD
    wintypes.BOOL,  # fByPosition : BOOL
    ctypes.c_void_p,  # lpmii : MENUITEMINFOA* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetMenuItemInfoA = Fiddle::Function.new(
  lib['GetMenuItemInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # hmenu : HMENU
    -Fiddle::TYPE_INT,  # item : DWORD
    Fiddle::TYPE_INT,  # fByPosition : BOOL
    Fiddle::TYPE_VOIDP,  # lpmii : MENUITEMINFOA* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetMenuItemInfoA(
        hmenu: *mut core::ffi::c_void,  // HMENU
        item: u32,  // DWORD
        fByPosition: i32,  // BOOL
        lpmii: *mut MENUITEMINFOA  // MENUITEMINFOA* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool GetMenuItemInfoA(IntPtr hmenu, uint item, bool fByPosition, IntPtr lpmii);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetMenuItemInfoA' -Namespace Win32 -PassThru
# $api::GetMenuItemInfoA(hmenu, item, fByPosition, lpmii)

#uselib "USER32.dll"
#func global GetMenuItemInfoA "GetMenuItemInfoA" sptr, sptr, sptr, sptr
; GetMenuItemInfoA hmenu, item, fByPosition, varptr(lpmii)   ; 戻り値は stat
; hmenu : HMENU -> "sptr"
; item : DWORD -> "sptr"
; fByPosition : BOOL -> "sptr"
; lpmii : MENUITEMINFOA* in/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 "USER32.dll"
#cfunc global GetMenuItemInfoA "GetMenuItemInfoA" sptr, int, int, var
; res = GetMenuItemInfoA(hmenu, item, fByPosition, lpmii)
; hmenu : HMENU -> "sptr"
; item : DWORD -> "int"
; fByPosition : BOOL -> "int"
; lpmii : MENUITEMINFOA* in/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 GetMenuItemInfoA(HMENU hmenu, DWORD item, BOOL fByPosition, MENUITEMINFOA* lpmii)
#uselib "USER32.dll"
#cfunc global GetMenuItemInfoA "GetMenuItemInfoA" intptr, int, int, var
; res = GetMenuItemInfoA(hmenu, item, fByPosition, lpmii)
; hmenu : HMENU -> "intptr"
; item : DWORD -> "int"
; fByPosition : BOOL -> "int"
; lpmii : MENUITEMINFOA* in/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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetMenuItemInfoA = user32.NewProc("GetMenuItemInfoA")
)

// hmenu (HMENU), item (DWORD), fByPosition (BOOL), lpmii (MENUITEMINFOA* in/out)
r1, _, err := procGetMenuItemInfoA.Call(
	uintptr(hmenu),
	uintptr(item),
	uintptr(fByPosition),
	uintptr(lpmii),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetMenuItemInfoA(
  hmenu: THandle;   // HMENU
  item: DWORD;   // DWORD
  fByPosition: BOOL;   // BOOL
  lpmii: Pointer   // MENUITEMINFOA* in/out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetMenuItemInfoA';

result := DllCall("USER32\GetMenuItemInfoA"
    , "Ptr", hmenu   ; HMENU
    , "UInt", item   ; DWORD
    , "Int", fByPosition   ; BOOL
    , "Ptr", lpmii   ; MENUITEMINFOA* in/out
    , "Int")   ; return: BOOL

●GetMenuItemInfoA(hmenu, item, fByPosition, lpmii) = DLL("USER32.dll", "bool GetMenuItemInfoA(void*, dword, bool, void*)")
# 呼び出し: GetMenuItemInfoA(hmenu, item, fByPosition, lpmii)
# hmenu : HMENU -> "void*"
# item : DWORD -> "dword"
# fByPosition : BOOL -> "bool"
# lpmii : MENUITEMINFOA* in/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)。