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UiaProviderFromIAccessible

関数
IAccessibleからUIAプロバイダーを取得する。
DLLUIAutomationCore.dll呼出規約winapi対応OSwindows8.0

シグネチャ

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

HRESULT UiaProviderFromIAccessible(
    IAccessible* pAccessible,
    INT idChild,
    DWORD dwFlags,
    IRawElementProviderSimple** ppProvider
);

パラメーター

名前方向説明
pAccessibleIAccessible*in変換元のIAccessibleインターフェイスへのポインター。
idChildINTin対象とする子要素のID。要素自身はCHILDID_SELFを指定する。
dwFlagsDWORDin変換動作を制御するフラグ(UIA_PFIA_*)。
ppProviderIRawElementProviderSimple**out対応するIRawElementProviderSimpleプロバイダーを受け取る出力先。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT UiaProviderFromIAccessible(
    IAccessible* pAccessible,
    INT idChild,
    DWORD dwFlags,
    IRawElementProviderSimple** ppProvider
);
[DllImport("UIAutomationCore.dll", ExactSpelling = true)]
static extern int UiaProviderFromIAccessible(
    IntPtr pAccessible,   // IAccessible*
    int idChild,   // INT
    uint dwFlags,   // DWORD
    IntPtr ppProvider   // IRawElementProviderSimple** out
);
<DllImport("UIAutomationCore.dll", ExactSpelling:=True)>
Public Shared Function UiaProviderFromIAccessible(
    pAccessible As IntPtr,   ' IAccessible*
    idChild As Integer,   ' INT
    dwFlags As UInteger,   ' DWORD
    ppProvider As IntPtr   ' IRawElementProviderSimple** out
) As Integer
End Function
' pAccessible : IAccessible*
' idChild : INT
' dwFlags : DWORD
' ppProvider : IRawElementProviderSimple** out
Declare PtrSafe Function UiaProviderFromIAccessible Lib "uiautomationcore" ( _
    ByVal pAccessible As LongPtr, _
    ByVal idChild As Long, _
    ByVal dwFlags As Long, _
    ByVal ppProvider 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

UiaProviderFromIAccessible = ctypes.windll.uiautomationcore.UiaProviderFromIAccessible
UiaProviderFromIAccessible.restype = ctypes.c_int
UiaProviderFromIAccessible.argtypes = [
    ctypes.c_void_p,  # pAccessible : IAccessible*
    ctypes.c_int,  # idChild : INT
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # ppProvider : IRawElementProviderSimple** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UIAutomationCore.dll')
UiaProviderFromIAccessible = Fiddle::Function.new(
  lib['UiaProviderFromIAccessible'],
  [
    Fiddle::TYPE_VOIDP,  # pAccessible : IAccessible*
    Fiddle::TYPE_INT,  # idChild : INT
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # ppProvider : IRawElementProviderSimple** out
  ],
  Fiddle::TYPE_INT)
#[link(name = "uiautomationcore")]
extern "system" {
    fn UiaProviderFromIAccessible(
        pAccessible: *mut core::ffi::c_void,  // IAccessible*
        idChild: i32,  // INT
        dwFlags: u32,  // DWORD
        ppProvider: *mut *mut core::ffi::c_void  // IRawElementProviderSimple** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("UIAutomationCore.dll")]
public static extern int UiaProviderFromIAccessible(IntPtr pAccessible, int idChild, uint dwFlags, IntPtr ppProvider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UIAutomationCore_UiaProviderFromIAccessible' -Namespace Win32 -PassThru
# $api::UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
#uselib "UIAutomationCore.dll"
#func global UiaProviderFromIAccessible "UiaProviderFromIAccessible" sptr, sptr, sptr, sptr
; UiaProviderFromIAccessible pAccessible, idChild, dwFlags, ppProvider   ; 戻り値は stat
; pAccessible : IAccessible* -> "sptr"
; idChild : INT -> "sptr"
; dwFlags : DWORD -> "sptr"
; ppProvider : IRawElementProviderSimple** 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。
#uselib "UIAutomationCore.dll"
#cfunc global UiaProviderFromIAccessible "UiaProviderFromIAccessible" sptr, int, int, sptr
; res = UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
; pAccessible : IAccessible* -> "sptr"
; idChild : INT -> "int"
; dwFlags : DWORD -> "int"
; ppProvider : IRawElementProviderSimple** out -> "sptr"
; HRESULT UiaProviderFromIAccessible(IAccessible* pAccessible, INT idChild, DWORD dwFlags, IRawElementProviderSimple** ppProvider)
#uselib "UIAutomationCore.dll"
#cfunc global UiaProviderFromIAccessible "UiaProviderFromIAccessible" intptr, int, int, intptr
; res = UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
; pAccessible : IAccessible* -> "intptr"
; idChild : INT -> "int"
; dwFlags : DWORD -> "int"
; ppProvider : IRawElementProviderSimple** out -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	uiautomationcore = windows.NewLazySystemDLL("UIAutomationCore.dll")
	procUiaProviderFromIAccessible = uiautomationcore.NewProc("UiaProviderFromIAccessible")
)

// pAccessible (IAccessible*), idChild (INT), dwFlags (DWORD), ppProvider (IRawElementProviderSimple** out)
r1, _, err := procUiaProviderFromIAccessible.Call(
	uintptr(pAccessible),
	uintptr(idChild),
	uintptr(dwFlags),
	uintptr(ppProvider),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function UiaProviderFromIAccessible(
  pAccessible: Pointer;   // IAccessible*
  idChild: Integer;   // INT
  dwFlags: DWORD;   // DWORD
  ppProvider: Pointer   // IRawElementProviderSimple** out
): Integer; stdcall;
  external 'UIAutomationCore.dll' name 'UiaProviderFromIAccessible';
result := DllCall("UIAutomationCore\UiaProviderFromIAccessible"
    , "Ptr", pAccessible   ; IAccessible*
    , "Int", idChild   ; INT
    , "UInt", dwFlags   ; DWORD
    , "Ptr", ppProvider   ; IRawElementProviderSimple** out
    , "Int")   ; return: HRESULT
●UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider) = DLL("UIAutomationCore.dll", "int UiaProviderFromIAccessible(void*, int, dword, void*)")
# 呼び出し: UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
# pAccessible : IAccessible* -> "void*"
# idChild : INT -> "int"
# dwFlags : DWORD -> "dword"
# ppProvider : IRawElementProviderSimple** 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 UiaProviderFromIAccessible(
    pAccessible: ?*anyopaque, // IAccessible*
    idChild: i32, // INT
    dwFlags: u32, // DWORD
    ppProvider: ?*anyopaque // IRawElementProviderSimple** out
) callconv(std.os.windows.WINAPI) i32;
proc UiaProviderFromIAccessible(
    pAccessible: pointer,  # IAccessible*
    idChild: int32,  # INT
    dwFlags: uint32,  # DWORD
    ppProvider: pointer  # IRawElementProviderSimple** out
): int32 {.importc: "UiaProviderFromIAccessible", stdcall, dynlib: "UIAutomationCore.dll".}
pragma(lib, "uiautomationcore");
extern(Windows)
int UiaProviderFromIAccessible(
    void* pAccessible,   // IAccessible*
    int idChild,   // INT
    uint dwFlags,   // DWORD
    void* ppProvider   // IRawElementProviderSimple** out
);
ccall((:UiaProviderFromIAccessible, "UIAutomationCore.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Int32, UInt32, Ptr{Cvoid}),
      pAccessible, idChild, dwFlags, ppProvider)
# pAccessible : IAccessible* -> Ptr{Cvoid}
# idChild : INT -> Int32
# dwFlags : DWORD -> UInt32
# ppProvider : IRawElementProviderSimple** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t UiaProviderFromIAccessible(
    void* pAccessible,
    int32_t idChild,
    uint32_t dwFlags,
    void* ppProvider);
]]
local uiautomationcore = ffi.load("uiautomationcore")
-- uiautomationcore.UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
-- pAccessible : IAccessible*
-- idChild : INT
-- dwFlags : DWORD
-- ppProvider : IRawElementProviderSimple** 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 UiaProviderFromIAccessible = lib.func('__stdcall', 'UiaProviderFromIAccessible', 'int32_t', ['void *', 'int32_t', 'uint32_t', 'void *']);
// UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
// pAccessible : IAccessible* -> 'void *'
// idChild : INT -> 'int32_t'
// dwFlags : DWORD -> 'uint32_t'
// ppProvider : IRawElementProviderSimple** 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", {
  UiaProviderFromIAccessible: { parameters: ["pointer", "i32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider)
// pAccessible : IAccessible* -> "pointer"
// idChild : INT -> "i32"
// dwFlags : DWORD -> "u32"
// ppProvider : IRawElementProviderSimple** 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 UiaProviderFromIAccessible(
    void* pAccessible,
    int32_t idChild,
    uint32_t dwFlags,
    void* ppProvider);
C, "UIAutomationCore.dll");
// $ffi->UiaProviderFromIAccessible(pAccessible, idChild, dwFlags, ppProvider);
// pAccessible : IAccessible*
// idChild : INT
// dwFlags : DWORD
// ppProvider : IRawElementProviderSimple** 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 UiaProviderFromIAccessible(
        Pointer pAccessible,   // IAccessible*
        int idChild,   // INT
        int dwFlags,   // DWORD
        Pointer ppProvider   // IRawElementProviderSimple** out
    );
}
@[Link("uiautomationcore")]
lib LibUIAutomationCore
  fun UiaProviderFromIAccessible = UiaProviderFromIAccessible(
    pAccessible : Void*,   # IAccessible*
    idChild : Int32,   # INT
    dwFlags : UInt32,   # DWORD
    ppProvider : Void*   # IRawElementProviderSimple** 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 UiaProviderFromIAccessibleNative = Int32 Function(Pointer<Void>, Int32, Uint32, Pointer<Void>);
typedef UiaProviderFromIAccessibleDart = int Function(Pointer<Void>, int, int, Pointer<Void>);
final UiaProviderFromIAccessible = DynamicLibrary.open('UIAutomationCore.dll')
    .lookupFunction<UiaProviderFromIAccessibleNative, UiaProviderFromIAccessibleDart>('UiaProviderFromIAccessible');
// pAccessible : IAccessible* -> Pointer<Void>
// idChild : INT -> Int32
// dwFlags : DWORD -> Uint32
// ppProvider : IRawElementProviderSimple** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function UiaProviderFromIAccessible(
  pAccessible: Pointer;   // IAccessible*
  idChild: Integer;   // INT
  dwFlags: DWORD;   // DWORD
  ppProvider: Pointer   // IRawElementProviderSimple** out
): Integer; stdcall;
  external 'UIAutomationCore.dll' name 'UiaProviderFromIAccessible';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "UiaProviderFromIAccessible"
  c_UiaProviderFromIAccessible :: Ptr () -> Int32 -> Word32 -> Ptr () -> IO Int32
-- pAccessible : IAccessible* -> Ptr ()
-- idChild : INT -> Int32
-- dwFlags : DWORD -> Word32
-- ppProvider : IRawElementProviderSimple** 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 uiaproviderfromiaccessible =
  foreign "UiaProviderFromIAccessible"
    ((ptr void) @-> int32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* pAccessible : IAccessible* -> (ptr void) *)
(* idChild : INT -> int32_t *)
(* dwFlags : DWORD -> uint32_t *)
(* ppProvider : IRawElementProviderSimple** 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 ("UiaProviderFromIAccessible" uia-provider-from-iaccessible :convention :stdcall) :int32
  (p-accessible :pointer)   ; IAccessible*
  (id-child :int32)   ; INT
  (dw-flags :uint32)   ; DWORD
  (pp-provider :pointer))   ; IRawElementProviderSimple** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $UiaProviderFromIAccessible = Win32::API::More->new('UIAutomationCore',
    'int UiaProviderFromIAccessible(LPVOID pAccessible, int idChild, DWORD dwFlags, LPVOID ppProvider)');
# my $ret = $UiaProviderFromIAccessible->Call($pAccessible, $idChild, $dwFlags, $ppProvider);
# pAccessible : IAccessible* -> LPVOID
# idChild : INT -> int
# dwFlags : DWORD -> DWORD
# ppProvider : IRawElementProviderSimple** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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