BlockInput

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

BOOL BlockInput(
    BOOL fBlockIt
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function BlockInput(
    fBlockIt As Boolean   ' BOOL
) As Boolean
End Function

' fBlockIt : BOOL
Declare PtrSafe Function BlockInput Lib "user32" ( _
    ByVal fBlockIt 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

BlockInput = ctypes.windll.user32.BlockInput
BlockInput.restype = wintypes.BOOL
BlockInput.argtypes = [
    wintypes.BOOL,  # fBlockIt : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
BlockInput = Fiddle::Function.new(
  lib['BlockInput'],
  [
    Fiddle::TYPE_INT,  # fBlockIt : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn BlockInput(
        fBlockIt: 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 BlockInput(bool fBlockIt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_BlockInput' -Namespace Win32 -PassThru
# $api::BlockInput(fBlockIt)

#uselib "USER32.dll"
#func global BlockInput "BlockInput" sptr
; BlockInput fBlockIt   ; 戻り値は stat
; fBlockIt : 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 BlockInput "BlockInput" int
; res = BlockInput(fBlockIt)
; fBlockIt : BOOL -> "int"

; BOOL BlockInput(BOOL fBlockIt)
#uselib "USER32.dll"
#cfunc global BlockInput "BlockInput" int
; res = BlockInput(fBlockIt)
; fBlockIt : BOOL -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procBlockInput = user32.NewProc("BlockInput")
)

// fBlockIt (BOOL)
r1, _, err := procBlockInput.Call(
	uintptr(fBlockIt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function BlockInput(
  fBlockIt: BOOL   // BOOL
): BOOL; stdcall;
  external 'USER32.dll' name 'BlockInput';

result := DllCall("USER32\BlockInput"
    , "Int", fBlockIt   ; BOOL
    , "Int")   ; return: BOOL

●BlockInput(fBlockIt) = DLL("USER32.dll", "bool BlockInput(bool)")
# 呼び出し: BlockInput(fBlockIt)
# fBlockIt : 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)。