UiaProviderFromIAccessible

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

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

<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)。