LockWindowUpdate

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

BOOL LockWindowUpdate(
    HWND hWndLock   // optional
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function LockWindowUpdate(
    hWndLock As IntPtr   ' HWND optional
) As Boolean
End Function

' hWndLock : HWND optional
Declare PtrSafe Function LockWindowUpdate Lib "user32" ( _
    ByVal hWndLock 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

LockWindowUpdate = ctypes.windll.user32.LockWindowUpdate
LockWindowUpdate.restype = wintypes.BOOL
LockWindowUpdate.argtypes = [
    wintypes.HANDLE,  # hWndLock : HWND optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
LockWindowUpdate = Fiddle::Function.new(
  lib['LockWindowUpdate'],
  [
    Fiddle::TYPE_VOIDP,  # hWndLock : HWND optional
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool LockWindowUpdate(IntPtr hWndLock);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_LockWindowUpdate' -Namespace Win32 -PassThru
# $api::LockWindowUpdate(hWndLock)

#uselib "USER32.dll"
#func global LockWindowUpdate "LockWindowUpdate" sptr
; LockWindowUpdate hWndLock   ; 戻り値は stat
; hWndLock : HWND optional -> "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 LockWindowUpdate "LockWindowUpdate" sptr
; res = LockWindowUpdate(hWndLock)
; hWndLock : HWND optional -> "sptr"

; BOOL LockWindowUpdate(HWND hWndLock)
#uselib "USER32.dll"
#cfunc global LockWindowUpdate "LockWindowUpdate" intptr
; res = LockWindowUpdate(hWndLock)
; hWndLock : HWND optional -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procLockWindowUpdate = user32.NewProc("LockWindowUpdate")
)

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

function LockWindowUpdate(
  hWndLock: THandle   // HWND optional
): BOOL; stdcall;
  external 'USER32.dll' name 'LockWindowUpdate';

result := DllCall("USER32\LockWindowUpdate"
    , "Ptr", hWndLock   ; HWND optional
    , "Int")   ; return: BOOL

●LockWindowUpdate(hWndLock) = DLL("USER32.dll", "bool LockWindowUpdate(void*)")
# 呼び出し: LockWindowUpdate(hWndLock)
# hWndLock : HWND optional -> "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)。