AttachThreadInput

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

BOOL AttachThreadInput(
    DWORD idAttach,
    DWORD idAttachTo,
    BOOL fAttach
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function AttachThreadInput(
    idAttach As UInteger,   ' DWORD
    idAttachTo As UInteger,   ' DWORD
    fAttach As Boolean   ' BOOL
) As Boolean
End Function

' idAttach : DWORD
' idAttachTo : DWORD
' fAttach : BOOL
Declare PtrSafe Function AttachThreadInput Lib "user32" ( _
    ByVal idAttach As Long, _
    ByVal idAttachTo As Long, _
    ByVal fAttach 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

AttachThreadInput = ctypes.windll.user32.AttachThreadInput
AttachThreadInput.restype = wintypes.BOOL
AttachThreadInput.argtypes = [
    wintypes.DWORD,  # idAttach : DWORD
    wintypes.DWORD,  # idAttachTo : DWORD
    wintypes.BOOL,  # fAttach : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
AttachThreadInput = Fiddle::Function.new(
  lib['AttachThreadInput'],
  [
    -Fiddle::TYPE_INT,  # idAttach : DWORD
    -Fiddle::TYPE_INT,  # idAttachTo : DWORD
    Fiddle::TYPE_INT,  # fAttach : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn AttachThreadInput(
        idAttach: u32,  // DWORD
        idAttachTo: u32,  // DWORD
        fAttach: 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 AttachThreadInput(uint idAttach, uint idAttachTo, bool fAttach);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_AttachThreadInput' -Namespace Win32 -PassThru
# $api::AttachThreadInput(idAttach, idAttachTo, fAttach)

#uselib "USER32.dll"
#func global AttachThreadInput "AttachThreadInput" sptr, sptr, sptr
; AttachThreadInput idAttach, idAttachTo, fAttach   ; 戻り値は stat
; idAttach : DWORD -> "sptr"
; idAttachTo : DWORD -> "sptr"
; fAttach : 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 AttachThreadInput "AttachThreadInput" int, int, int
; res = AttachThreadInput(idAttach, idAttachTo, fAttach)
; idAttach : DWORD -> "int"
; idAttachTo : DWORD -> "int"
; fAttach : BOOL -> "int"

; BOOL AttachThreadInput(DWORD idAttach, DWORD idAttachTo, BOOL fAttach)
#uselib "USER32.dll"
#cfunc global AttachThreadInput "AttachThreadInput" int, int, int
; res = AttachThreadInput(idAttach, idAttachTo, fAttach)
; idAttach : DWORD -> "int"
; idAttachTo : DWORD -> "int"
; fAttach : BOOL -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procAttachThreadInput = user32.NewProc("AttachThreadInput")
)

// idAttach (DWORD), idAttachTo (DWORD), fAttach (BOOL)
r1, _, err := procAttachThreadInput.Call(
	uintptr(idAttach),
	uintptr(idAttachTo),
	uintptr(fAttach),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function AttachThreadInput(
  idAttach: DWORD;   // DWORD
  idAttachTo: DWORD;   // DWORD
  fAttach: BOOL   // BOOL
): BOOL; stdcall;
  external 'USER32.dll' name 'AttachThreadInput';

result := DllCall("USER32\AttachThreadInput"
    , "UInt", idAttach   ; DWORD
    , "UInt", idAttachTo   ; DWORD
    , "Int", fAttach   ; BOOL
    , "Int")   ; return: BOOL

●AttachThreadInput(idAttach, idAttachTo, fAttach) = DLL("USER32.dll", "bool AttachThreadInput(dword, dword, bool)")
# 呼び出し: AttachThreadInput(idAttach, idAttachTo, fAttach)
# idAttach : DWORD -> "dword"
# idAttachTo : DWORD -> "dword"
# fAttach : 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)。