SetDlgItemInt

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

BOOL SetDlgItemInt(
    HWND hDlg,
    INT nIDDlgItem,
    DWORD uValue,
    BOOL bSigned
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetDlgItemInt(
    hDlg As IntPtr,   ' HWND
    nIDDlgItem As Integer,   ' INT
    uValue As UInteger,   ' DWORD
    bSigned As Boolean   ' BOOL
) As Boolean
End Function

' hDlg : HWND
' nIDDlgItem : INT
' uValue : DWORD
' bSigned : BOOL
Declare PtrSafe Function SetDlgItemInt Lib "user32" ( _
    ByVal hDlg As LongPtr, _
    ByVal nIDDlgItem As Long, _
    ByVal uValue As Long, _
    ByVal bSigned 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

SetDlgItemInt = ctypes.windll.user32.SetDlgItemInt
SetDlgItemInt.restype = wintypes.BOOL
SetDlgItemInt.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
    ctypes.c_int,  # nIDDlgItem : INT
    wintypes.DWORD,  # uValue : DWORD
    wintypes.BOOL,  # bSigned : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
SetDlgItemInt = Fiddle::Function.new(
  lib['SetDlgItemInt'],
  [
    Fiddle::TYPE_VOIDP,  # hDlg : HWND
    Fiddle::TYPE_INT,  # nIDDlgItem : INT
    -Fiddle::TYPE_INT,  # uValue : DWORD
    Fiddle::TYPE_INT,  # bSigned : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn SetDlgItemInt(
        hDlg: *mut core::ffi::c_void,  // HWND
        nIDDlgItem: i32,  // INT
        uValue: u32,  // DWORD
        bSigned: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool SetDlgItemInt(IntPtr hDlg, int nIDDlgItem, uint uValue, bool bSigned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SetDlgItemInt' -Namespace Win32 -PassThru
# $api::SetDlgItemInt(hDlg, nIDDlgItem, uValue, bSigned)

#uselib "USER32.dll"
#func global SetDlgItemInt "SetDlgItemInt" sptr, sptr, sptr, sptr
; SetDlgItemInt hDlg, nIDDlgItem, uValue, bSigned   ; 戻り値は stat
; hDlg : HWND -> "sptr"
; nIDDlgItem : INT -> "sptr"
; uValue : DWORD -> "sptr"
; bSigned : BOOL -> "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 SetDlgItemInt "SetDlgItemInt" sptr, int, int, int
; res = SetDlgItemInt(hDlg, nIDDlgItem, uValue, bSigned)
; hDlg : HWND -> "sptr"
; nIDDlgItem : INT -> "int"
; uValue : DWORD -> "int"
; bSigned : BOOL -> "int"

; BOOL SetDlgItemInt(HWND hDlg, INT nIDDlgItem, DWORD uValue, BOOL bSigned)
#uselib "USER32.dll"
#cfunc global SetDlgItemInt "SetDlgItemInt" intptr, int, int, int
; res = SetDlgItemInt(hDlg, nIDDlgItem, uValue, bSigned)
; hDlg : HWND -> "intptr"
; nIDDlgItem : INT -> "int"
; uValue : DWORD -> "int"
; bSigned : BOOL -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSetDlgItemInt = user32.NewProc("SetDlgItemInt")
)

// hDlg (HWND), nIDDlgItem (INT), uValue (DWORD), bSigned (BOOL)
r1, _, err := procSetDlgItemInt.Call(
	uintptr(hDlg),
	uintptr(nIDDlgItem),
	uintptr(uValue),
	uintptr(bSigned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetDlgItemInt(
  hDlg: THandle;   // HWND
  nIDDlgItem: Integer;   // INT
  uValue: DWORD;   // DWORD
  bSigned: BOOL   // BOOL
): BOOL; stdcall;
  external 'USER32.dll' name 'SetDlgItemInt';

result := DllCall("USER32\SetDlgItemInt"
    , "Ptr", hDlg   ; HWND
    , "Int", nIDDlgItem   ; INT
    , "UInt", uValue   ; DWORD
    , "Int", bSigned   ; BOOL
    , "Int")   ; return: BOOL

●SetDlgItemInt(hDlg, nIDDlgItem, uValue, bSigned) = DLL("USER32.dll", "bool SetDlgItemInt(void*, int, dword, bool)")
# 呼び出し: SetDlgItemInt(hDlg, nIDDlgItem, uValue, bSigned)
# hDlg : HWND -> "void*"
# nIDDlgItem : INT -> "int"
# uValue : DWORD -> "dword"
# bSigned : BOOL -> "bool"
# 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)。