UiaGetPropertyValue

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

HRESULT UiaGetPropertyValue(
    HUIANODE hnode,
    INT propertyId,
    VARIANT* pValue
);

<DllImport("UIAutomationCore.dll", ExactSpelling:=True)>
Public Shared Function UiaGetPropertyValue(
    hnode As IntPtr,   ' HUIANODE
    propertyId As Integer,   ' INT
    pValue As IntPtr   ' VARIANT* in/out
) As Integer
End Function

' hnode : HUIANODE
' propertyId : INT
' pValue : VARIANT* in/out
Declare PtrSafe Function UiaGetPropertyValue Lib "uiautomationcore" ( _
    ByVal hnode As LongPtr, _
    ByVal propertyId As Long, _
    ByVal pValue 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

UiaGetPropertyValue = ctypes.windll.uiautomationcore.UiaGetPropertyValue
UiaGetPropertyValue.restype = ctypes.c_int
UiaGetPropertyValue.argtypes = [
    wintypes.HANDLE,  # hnode : HUIANODE
    ctypes.c_int,  # propertyId : INT
    ctypes.c_void_p,  # pValue : VARIANT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UIAutomationCore.dll')
UiaGetPropertyValue = Fiddle::Function.new(
  lib['UiaGetPropertyValue'],
  [
    Fiddle::TYPE_VOIDP,  # hnode : HUIANODE
    Fiddle::TYPE_INT,  # propertyId : INT
    Fiddle::TYPE_VOIDP,  # pValue : VARIANT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "uiautomationcore")]
extern "system" {
    fn UiaGetPropertyValue(
        hnode: *mut core::ffi::c_void,  // HUIANODE
        propertyId: i32,  // INT
        pValue: *mut VARIANT  // VARIANT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("UIAutomationCore.dll")]
public static extern int UiaGetPropertyValue(IntPtr hnode, int propertyId, IntPtr pValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UIAutomationCore_UiaGetPropertyValue' -Namespace Win32 -PassThru
# $api::UiaGetPropertyValue(hnode, propertyId, pValue)

#uselib "UIAutomationCore.dll"
#func global UiaGetPropertyValue "UiaGetPropertyValue" sptr, sptr, sptr
; UiaGetPropertyValue hnode, propertyId, varptr(pValue)   ; 戻り値は stat
; hnode : HUIANODE -> "sptr"
; propertyId : INT -> "sptr"
; pValue : VARIANT* 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 (
	uiautomationcore = windows.NewLazySystemDLL("UIAutomationCore.dll")
	procUiaGetPropertyValue = uiautomationcore.NewProc("UiaGetPropertyValue")
)

// hnode (HUIANODE), propertyId (INT), pValue (VARIANT* in/out)
r1, _, err := procUiaGetPropertyValue.Call(
	uintptr(hnode),
	uintptr(propertyId),
	uintptr(pValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function UiaGetPropertyValue(
  hnode: THandle;   // HUIANODE
  propertyId: Integer;   // INT
  pValue: Pointer   // VARIANT* in/out
): Integer; stdcall;
  external 'UIAutomationCore.dll' name 'UiaGetPropertyValue';

result := DllCall("UIAutomationCore\UiaGetPropertyValue"
    , "Ptr", hnode   ; HUIANODE
    , "Int", propertyId   ; INT
    , "Ptr", pValue   ; VARIANT* in/out
    , "Int")   ; return: HRESULT

●UiaGetPropertyValue(hnode, propertyId, pValue) = DLL("UIAutomationCore.dll", "int UiaGetPropertyValue(void*, int, void*)")
# 呼び出し: UiaGetPropertyValue(hnode, propertyId, pValue)
# hnode : HUIANODE -> "void*"
# propertyId : INT -> "int"
# pValue : VARIANT* 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 "uiautomationcore" fn UiaGetPropertyValue(
    hnode: ?*anyopaque, // HUIANODE
    propertyId: i32, // INT
    pValue: [*c]VARIANT // VARIANT* in/out
) callconv(std.os.windows.WINAPI) i32;

proc UiaGetPropertyValue(
    hnode: pointer,  # HUIANODE
    propertyId: int32,  # INT
    pValue: ptr VARIANT  # VARIANT* in/out
): int32 {.importc: "UiaGetPropertyValue", stdcall, dynlib: "UIAutomationCore.dll".}

pragma(lib, "uiautomationcore");
extern(Windows)
int UiaGetPropertyValue(
    void* hnode,   // HUIANODE
    int propertyId,   // INT
    VARIANT* pValue   // VARIANT* in/out
);

ccall((:UiaGetPropertyValue, "UIAutomationCore.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Int32, Ptr{VARIANT}),
      hnode, propertyId, pValue)
# hnode : HUIANODE -> Ptr{Cvoid}
# propertyId : INT -> Int32
# pValue : VARIANT* in/out -> Ptr{VARIANT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t UiaGetPropertyValue(
    void* hnode,
    int32_t propertyId,
    void* pValue);
]]
local uiautomationcore = ffi.load("uiautomationcore")
-- uiautomationcore.UiaGetPropertyValue(hnode, propertyId, pValue)
-- hnode : HUIANODE
-- propertyId : INT
-- pValue : VARIANT* 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('UIAutomationCore.dll');
const UiaGetPropertyValue = lib.func('__stdcall', 'UiaGetPropertyValue', 'int32_t', ['void *', 'int32_t', 'void *']);
// UiaGetPropertyValue(hnode, propertyId, pValue)
// hnode : HUIANODE -> 'void *'
// propertyId : INT -> 'int32_t'
// pValue : VARIANT* 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("UIAutomationCore.dll", {
  UiaGetPropertyValue: { parameters: ["pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.UiaGetPropertyValue(hnode, propertyId, pValue)
// hnode : HUIANODE -> "pointer"
// propertyId : INT -> "i32"
// pValue : VARIANT* 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 UiaGetPropertyValue(
    void* hnode,
    int32_t propertyId,
    void* pValue);
C, "UIAutomationCore.dll");
// $ffi->UiaGetPropertyValue(hnode, propertyId, pValue);
// hnode : HUIANODE
// propertyId : INT
// pValue : VARIANT* 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 Uiautomationcore extends StdCallLibrary {
    Uiautomationcore INSTANCE = Native.load("uiautomationcore", Uiautomationcore.class);
    int UiaGetPropertyValue(
        Pointer hnode,   // HUIANODE
        int propertyId,   // INT
        Pointer pValue   // VARIANT* in/out
    );
}

@[Link("uiautomationcore")]
lib LibUIAutomationCore
  fun UiaGetPropertyValue = UiaGetPropertyValue(
    hnode : Void*,   # HUIANODE
    propertyId : Int32,   # INT
    pValue : VARIANT*   # VARIANT* 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 UiaGetPropertyValueNative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>);
typedef UiaGetPropertyValueDart = int Function(Pointer<Void>, int, Pointer<Void>);
final UiaGetPropertyValue = DynamicLibrary.open('UIAutomationCore.dll')
    .lookupFunction<UiaGetPropertyValueNative, UiaGetPropertyValueDart>('UiaGetPropertyValue');
// hnode : HUIANODE -> Pointer<Void>
// propertyId : INT -> Int32
// pValue : VARIANT* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function UiaGetPropertyValue(
  hnode: THandle;   // HUIANODE
  propertyId: Integer;   // INT
  pValue: Pointer   // VARIANT* in/out
): Integer; stdcall;
  external 'UIAutomationCore.dll' name 'UiaGetPropertyValue';

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

foreign import stdcall safe "UiaGetPropertyValue"
  c_UiaGetPropertyValue :: Ptr () -> Int32 -> Ptr () -> IO Int32
-- hnode : HUIANODE -> Ptr ()
-- propertyId : INT -> Int32
-- pValue : VARIANT* 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 uiagetpropertyvalue =
  foreign "UiaGetPropertyValue"
    ((ptr void) @-> int32_t @-> (ptr void) @-> returning int32_t)
(* hnode : HUIANODE -> (ptr void) *)
(* propertyId : INT -> int32_t *)
(* pValue : VARIANT* 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 uiautomationcore (t "UIAutomationCore.dll"))
(cffi:use-foreign-library uiautomationcore)

(cffi:defcfun ("UiaGetPropertyValue" uia-get-property-value :convention :stdcall) :int32
  (hnode :pointer)   ; HUIANODE
  (property-id :int32)   ; INT
  (p-value :pointer))   ; VARIANT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $UiaGetPropertyValue = Win32::API::More->new('UIAutomationCore',
    'int UiaGetPropertyValue(HANDLE hnode, int propertyId, LPVOID pValue)');
# my $ret = $UiaGetPropertyValue->Call($hnode, $propertyId, $pValue);
# hnode : HUIANODE -> HANDLE
# propertyId : INT -> int
# pValue : VARIANT* 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。