ChangeWindowMessageFilter

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

BOOL ChangeWindowMessageFilter(
    DWORD message,
    CHANGE_WINDOW_MESSAGE_FILTER_FLAGS dwFlag
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ChangeWindowMessageFilter(
    message As UInteger,   ' DWORD
    dwFlag As UInteger   ' CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
) As Boolean
End Function

' message : DWORD
' dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
Declare PtrSafe Function ChangeWindowMessageFilter Lib "user32" ( _
    ByVal message As Long, _
    ByVal dwFlag 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

ChangeWindowMessageFilter = ctypes.windll.user32.ChangeWindowMessageFilter
ChangeWindowMessageFilter.restype = wintypes.BOOL
ChangeWindowMessageFilter.argtypes = [
    wintypes.DWORD,  # message : DWORD
    wintypes.DWORD,  # dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
ChangeWindowMessageFilter = Fiddle::Function.new(
  lib['ChangeWindowMessageFilter'],
  [
    -Fiddle::TYPE_INT,  # message : DWORD
    -Fiddle::TYPE_INT,  # dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn ChangeWindowMessageFilter(
        message: u32,  // DWORD
        dwFlag: u32  // CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
    ) -> 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 ChangeWindowMessageFilter(uint message, uint dwFlag);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_ChangeWindowMessageFilter' -Namespace Win32 -PassThru
# $api::ChangeWindowMessageFilter(message, dwFlag)

#uselib "USER32.dll"
#func global ChangeWindowMessageFilter "ChangeWindowMessageFilter" sptr, sptr
; ChangeWindowMessageFilter message, dwFlag   ; 戻り値は stat
; message : DWORD -> "sptr"
; dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS -> "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 ChangeWindowMessageFilter "ChangeWindowMessageFilter" int, int
; res = ChangeWindowMessageFilter(message, dwFlag)
; message : DWORD -> "int"
; dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS -> "int"

; BOOL ChangeWindowMessageFilter(DWORD message, CHANGE_WINDOW_MESSAGE_FILTER_FLAGS dwFlag)
#uselib "USER32.dll"
#cfunc global ChangeWindowMessageFilter "ChangeWindowMessageFilter" int, int
; res = ChangeWindowMessageFilter(message, dwFlag)
; message : DWORD -> "int"
; dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procChangeWindowMessageFilter = user32.NewProc("ChangeWindowMessageFilter")
)

// message (DWORD), dwFlag (CHANGE_WINDOW_MESSAGE_FILTER_FLAGS)
r1, _, err := procChangeWindowMessageFilter.Call(
	uintptr(message),
	uintptr(dwFlag),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ChangeWindowMessageFilter(
  message: DWORD;   // DWORD
  dwFlag: DWORD   // CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
): BOOL; stdcall;
  external 'USER32.dll' name 'ChangeWindowMessageFilter';

result := DllCall("USER32\ChangeWindowMessageFilter"
    , "UInt", message   ; DWORD
    , "UInt", dwFlag   ; CHANGE_WINDOW_MESSAGE_FILTER_FLAGS
    , "Int")   ; return: BOOL

●ChangeWindowMessageFilter(message, dwFlag) = DLL("USER32.dll", "bool ChangeWindowMessageFilter(dword, dword)")
# 呼び出し: ChangeWindowMessageFilter(message, dwFlag)
# message : DWORD -> "dword"
# dwFlag : CHANGE_WINDOW_MESSAGE_FILTER_FLAGS -> "dword"
# 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)。