GetPointerInfo

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

BOOL GetPointerInfo(
    DWORD pointerId,
    POINTER_INFO* pointerInfo
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPointerInfo(
    pointerId As UInteger,   ' DWORD
    pointerInfo As IntPtr   ' POINTER_INFO* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pointerId : DWORD
' pointerInfo : POINTER_INFO* out
Declare PtrSafe Function GetPointerInfo Lib "user32" ( _
    ByVal pointerId As Long, _
    ByVal pointerInfo 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

GetPointerInfo = ctypes.windll.user32.GetPointerInfo
GetPointerInfo.restype = wintypes.BOOL
GetPointerInfo.argtypes = [
    wintypes.DWORD,  # pointerId : DWORD
    ctypes.c_void_p,  # pointerInfo : POINTER_INFO* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetPointerInfo = Fiddle::Function.new(
  lib['GetPointerInfo'],
  [
    -Fiddle::TYPE_INT,  # pointerId : DWORD
    Fiddle::TYPE_VOIDP,  # pointerInfo : POINTER_INFO* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetPointerInfo(
        pointerId: u32,  // DWORD
        pointerInfo: *mut POINTER_INFO  // POINTER_INFO* 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 GetPointerInfo(uint pointerId, IntPtr pointerInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetPointerInfo' -Namespace Win32 -PassThru
# $api::GetPointerInfo(pointerId, pointerInfo)

#uselib "USER32.dll"
#func global GetPointerInfo "GetPointerInfo" sptr, sptr
; GetPointerInfo pointerId, varptr(pointerInfo)   ; 戻り値は stat
; pointerId : DWORD -> "sptr"
; pointerInfo : POINTER_INFO* 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")
	procGetPointerInfo = user32.NewProc("GetPointerInfo")
)

// pointerId (DWORD), pointerInfo (POINTER_INFO* out)
r1, _, err := procGetPointerInfo.Call(
	uintptr(pointerId),
	uintptr(pointerInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetPointerInfo(
  pointerId: DWORD;   // DWORD
  pointerInfo: Pointer   // POINTER_INFO* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetPointerInfo';

result := DllCall("USER32\GetPointerInfo"
    , "UInt", pointerId   ; DWORD
    , "Ptr", pointerInfo   ; POINTER_INFO* out
    , "Int")   ; return: BOOL

●GetPointerInfo(pointerId, pointerInfo) = DLL("USER32.dll", "bool GetPointerInfo(dword, void*)")
# 呼び出し: GetPointerInfo(pointerId, pointerInfo)
# pointerId : DWORD -> "dword"
# pointerInfo : POINTER_INFO* 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 GetPointerInfo(
    pointerId: u32, // DWORD
    pointerInfo: [*c]POINTER_INFO // POINTER_INFO* out
) callconv(std.os.windows.WINAPI) i32;

proc GetPointerInfo(
    pointerId: uint32,  # DWORD
    pointerInfo: ptr POINTER_INFO  # POINTER_INFO* out
): int32 {.importc: "GetPointerInfo", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int GetPointerInfo(
    uint pointerId,   // DWORD
    POINTER_INFO* pointerInfo   // POINTER_INFO* out
);

ccall((:GetPointerInfo, "USER32.dll"), stdcall, Int32,
      (UInt32, Ptr{POINTER_INFO}),
      pointerId, pointerInfo)
# pointerId : DWORD -> UInt32
# pointerInfo : POINTER_INFO* out -> Ptr{POINTER_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetPointerInfo(
    uint32_t pointerId,
    void* pointerInfo);
]]
local user32 = ffi.load("user32")
-- user32.GetPointerInfo(pointerId, pointerInfo)
-- pointerId : DWORD
-- pointerInfo : POINTER_INFO* 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 GetPointerInfo = lib.func('__stdcall', 'GetPointerInfo', 'int32_t', ['uint32_t', 'void *']);
// GetPointerInfo(pointerId, pointerInfo)
// pointerId : DWORD -> 'uint32_t'
// pointerInfo : POINTER_INFO* 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", {
  GetPointerInfo: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.GetPointerInfo(pointerId, pointerInfo)
// pointerId : DWORD -> "u32"
// pointerInfo : POINTER_INFO* 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 GetPointerInfo(
    uint32_t pointerId,
    void* pointerInfo);
C, "USER32.dll");
// $ffi->GetPointerInfo(pointerId, pointerInfo);
// pointerId : DWORD
// pointerInfo : POINTER_INFO* 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 GetPointerInfo(
        int pointerId,   // DWORD
        Pointer pointerInfo   // POINTER_INFO* out
    );
}

@[Link("user32")]
lib LibUSER32
  fun GetPointerInfo = GetPointerInfo(
    pointerId : UInt32,   # DWORD
    pointerInfo : POINTER_INFO*   # POINTER_INFO* 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 GetPointerInfoNative = Int32 Function(Uint32, Pointer<Void>);
typedef GetPointerInfoDart = int Function(int, Pointer<Void>);
final GetPointerInfo = DynamicLibrary.open('USER32.dll')
    .lookupFunction<GetPointerInfoNative, GetPointerInfoDart>('GetPointerInfo');
// pointerId : DWORD -> Uint32
// pointerInfo : POINTER_INFO* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetPointerInfo(
  pointerId: DWORD;   // DWORD
  pointerInfo: Pointer   // POINTER_INFO* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetPointerInfo';

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

foreign import stdcall safe "GetPointerInfo"
  c_GetPointerInfo :: Word32 -> Ptr () -> IO CInt
-- pointerId : DWORD -> Word32
-- pointerInfo : POINTER_INFO* 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 getpointerinfo =
  foreign "GetPointerInfo"
    (uint32_t @-> (ptr void) @-> returning int32_t)
(* pointerId : DWORD -> uint32_t *)
(* pointerInfo : POINTER_INFO* 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 ("GetPointerInfo" get-pointer-info :convention :stdcall) :int32
  (pointer-id :uint32)   ; DWORD
  (pointer-info :pointer))   ; POINTER_INFO* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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