EnableWindow

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

BOOL EnableWindow(
    HWND hWnd,
    BOOL bEnable
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function EnableWindow(
    hWnd As IntPtr,   ' HWND
    bEnable As Boolean   ' BOOL
) As Boolean
End Function

' hWnd : HWND
' bEnable : BOOL
Declare PtrSafe Function EnableWindow Lib "user32" ( _
    ByVal hWnd As LongPtr, _
    ByVal bEnable 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

EnableWindow = ctypes.windll.user32.EnableWindow
EnableWindow.restype = wintypes.BOOL
EnableWindow.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.BOOL,  # bEnable : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
EnableWindow = Fiddle::Function.new(
  lib['EnableWindow'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    Fiddle::TYPE_INT,  # bEnable : BOOL
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool EnableWindow(IntPtr hWnd, bool bEnable);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_EnableWindow' -Namespace Win32 -PassThru
# $api::EnableWindow(hWnd, bEnable)

#uselib "USER32.dll"
#func global EnableWindow "EnableWindow" sptr, sptr
; EnableWindow hWnd, bEnable   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; bEnable : 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 EnableWindow "EnableWindow" sptr, int
; res = EnableWindow(hWnd, bEnable)
; hWnd : HWND -> "sptr"
; bEnable : BOOL -> "int"

; BOOL EnableWindow(HWND hWnd, BOOL bEnable)
#uselib "USER32.dll"
#cfunc global EnableWindow "EnableWindow" intptr, int
; res = EnableWindow(hWnd, bEnable)
; hWnd : HWND -> "intptr"
; bEnable : BOOL -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procEnableWindow = user32.NewProc("EnableWindow")
)

// hWnd (HWND), bEnable (BOOL)
r1, _, err := procEnableWindow.Call(
	uintptr(hWnd),
	uintptr(bEnable),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnableWindow(
  hWnd: THandle;   // HWND
  bEnable: BOOL   // BOOL
): BOOL; stdcall;
  external 'USER32.dll' name 'EnableWindow';

result := DllCall("USER32\EnableWindow"
    , "Ptr", hWnd   ; HWND
    , "Int", bEnable   ; BOOL
    , "Int")   ; return: BOOL

●EnableWindow(hWnd, bEnable) = DLL("USER32.dll", "bool EnableWindow(void*, bool)")
# 呼び出し: EnableWindow(hWnd, bEnable)
# hWnd : HWND -> "void*"
# bEnable : 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)。