GetGUIThreadInfo

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

BOOL GetGUIThreadInfo(
    DWORD idThread,
    GUITHREADINFO* pgui
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetGUIThreadInfo(
    idThread As UInteger,   ' DWORD
    pgui As IntPtr   ' GUITHREADINFO* in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' idThread : DWORD
' pgui : GUITHREADINFO* in/out
Declare PtrSafe Function GetGUIThreadInfo Lib "user32" ( _
    ByVal idThread As Long, _
    ByVal pgui 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

GetGUIThreadInfo = ctypes.windll.user32.GetGUIThreadInfo
GetGUIThreadInfo.restype = wintypes.BOOL
GetGUIThreadInfo.argtypes = [
    wintypes.DWORD,  # idThread : DWORD
    ctypes.c_void_p,  # pgui : GUITHREADINFO* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetGUIThreadInfo = Fiddle::Function.new(
  lib['GetGUIThreadInfo'],
  [
    -Fiddle::TYPE_INT,  # idThread : DWORD
    Fiddle::TYPE_VOIDP,  # pgui : GUITHREADINFO* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetGUIThreadInfo(
        idThread: u32,  // DWORD
        pgui: *mut GUITHREADINFO  // GUITHREADINFO* in/out
    ) -> 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 GetGUIThreadInfo(uint idThread, IntPtr pgui);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetGUIThreadInfo' -Namespace Win32 -PassThru
# $api::GetGUIThreadInfo(idThread, pgui)

#uselib "USER32.dll"
#func global GetGUIThreadInfo "GetGUIThreadInfo" sptr, sptr
; GetGUIThreadInfo idThread, varptr(pgui)   ; 戻り値は stat
; idThread : DWORD -> "sptr"
; pgui : GUITHREADINFO* in/out -> "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。

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetGUIThreadInfo = user32.NewProc("GetGUIThreadInfo")
)

// idThread (DWORD), pgui (GUITHREADINFO* in/out)
r1, _, err := procGetGUIThreadInfo.Call(
	uintptr(idThread),
	uintptr(pgui),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetGUIThreadInfo(
  idThread: DWORD;   // DWORD
  pgui: Pointer   // GUITHREADINFO* in/out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetGUIThreadInfo';

result := DllCall("USER32\GetGUIThreadInfo"
    , "UInt", idThread   ; DWORD
    , "Ptr", pgui   ; GUITHREADINFO* in/out
    , "Int")   ; return: BOOL

●GetGUIThreadInfo(idThread, pgui) = DLL("USER32.dll", "bool GetGUIThreadInfo(dword, void*)")
# 呼び出し: GetGUIThreadInfo(idThread, pgui)
# idThread : DWORD -> "dword"
# pgui : GUITHREADINFO* in/out -> "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)。

const std = @import("std");

extern "user32" fn GetGUIThreadInfo(
    idThread: u32, // DWORD
    pgui: [*c]GUITHREADINFO // GUITHREADINFO* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GetGUIThreadInfo(
    idThread: uint32,  # DWORD
    pgui: ptr GUITHREADINFO  # GUITHREADINFO* in/out
): int32 {.importc: "GetGUIThreadInfo", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int GetGUIThreadInfo(
    uint idThread,   // DWORD
    GUITHREADINFO* pgui   // GUITHREADINFO* in/out
);

ccall((:GetGUIThreadInfo, "USER32.dll"), stdcall, Int32,
      (UInt32, Ptr{GUITHREADINFO}),
      idThread, pgui)
# idThread : DWORD -> UInt32
# pgui : GUITHREADINFO* in/out -> Ptr{GUITHREADINFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetGUIThreadInfo(
    uint32_t idThread,
    void* pgui);
]]
local user32 = ffi.load("user32")
-- user32.GetGUIThreadInfo(idThread, pgui)
-- idThread : DWORD
-- pgui : GUITHREADINFO* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('USER32.dll');
const GetGUIThreadInfo = lib.func('__stdcall', 'GetGUIThreadInfo', 'int32_t', ['uint32_t', 'void *']);
// GetGUIThreadInfo(idThread, pgui)
// idThread : DWORD -> 'uint32_t'
// pgui : GUITHREADINFO* in/out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("USER32.dll", {
  GetGUIThreadInfo: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.GetGUIThreadInfo(idThread, pgui)
// idThread : DWORD -> "u32"
// pgui : GUITHREADINFO* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GetGUIThreadInfo(
    uint32_t idThread,
    void* pgui);
C, "USER32.dll");
// $ffi->GetGUIThreadInfo(idThread, pgui);
// idThread : DWORD
// pgui : GUITHREADINFO* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class);
    boolean GetGUIThreadInfo(
        int idThread,   // DWORD
        Pointer pgui   // GUITHREADINFO* in/out
    );
}

@[Link("user32")]
lib LibUSER32
  fun GetGUIThreadInfo = GetGUIThreadInfo(
    idThread : UInt32,   # DWORD
    pgui : GUITHREADINFO*   # GUITHREADINFO* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetGUIThreadInfoNative = Int32 Function(Uint32, Pointer<Void>);
typedef GetGUIThreadInfoDart = int Function(int, Pointer<Void>);
final GetGUIThreadInfo = DynamicLibrary.open('USER32.dll')
    .lookupFunction<GetGUIThreadInfoNative, GetGUIThreadInfoDart>('GetGUIThreadInfo');
// idThread : DWORD -> Uint32
// pgui : GUITHREADINFO* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetGUIThreadInfo(
  idThread: DWORD;   // DWORD
  pgui: Pointer   // GUITHREADINFO* in/out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetGUIThreadInfo';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetGUIThreadInfo"
  c_GetGUIThreadInfo :: Word32 -> Ptr () -> IO CInt
-- idThread : DWORD -> Word32
-- pgui : GUITHREADINFO* in/out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let getguithreadinfo =
  foreign "GetGUIThreadInfo"
    (uint32_t @-> (ptr void) @-> returning int32_t)
(* idThread : DWORD -> uint32_t *)
(* pgui : GUITHREADINFO* in/out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)

(cffi:defcfun ("GetGUIThreadInfo" get-guithread-info :convention :stdcall) :int32
  (id-thread :uint32)   ; DWORD
  (pgui :pointer))   ; GUITHREADINFO* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetGUIThreadInfo = Win32::API::More->new('USER32',
    'BOOL GetGUIThreadInfo(DWORD idThread, LPVOID pgui)');
# my $ret = $GetGUIThreadInfo->Call($idThread, $pgui);
# idThread : DWORD -> DWORD
# pgui : GUITHREADINFO* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。