UiaHostProviderFromHwnd

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

HRESULT UiaHostProviderFromHwnd(
    HWND hwnd,
    IRawElementProviderSimple** ppProvider
);

<DllImport("UIAutomationCore.dll", ExactSpelling:=True)>
Public Shared Function UiaHostProviderFromHwnd(
    hwnd As IntPtr,   ' HWND
    ppProvider As IntPtr   ' IRawElementProviderSimple** out
) As Integer
End Function

' hwnd : HWND
' ppProvider : IRawElementProviderSimple** out
Declare PtrSafe Function UiaHostProviderFromHwnd Lib "uiautomationcore" ( _
    ByVal hwnd As LongPtr, _
    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

UiaHostProviderFromHwnd = ctypes.windll.uiautomationcore.UiaHostProviderFromHwnd
UiaHostProviderFromHwnd.restype = ctypes.c_int
UiaHostProviderFromHwnd.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    ctypes.c_void_p,  # ppProvider : IRawElementProviderSimple** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UIAutomationCore.dll')
UiaHostProviderFromHwnd = Fiddle::Function.new(
  lib['UiaHostProviderFromHwnd'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_VOIDP,  # ppProvider : IRawElementProviderSimple** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "uiautomationcore")]
extern "system" {
    fn UiaHostProviderFromHwnd(
        hwnd: *mut core::ffi::c_void,  // HWND
        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 UiaHostProviderFromHwnd(IntPtr hwnd, IntPtr ppProvider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UIAutomationCore_UiaHostProviderFromHwnd' -Namespace Win32 -PassThru
# $api::UiaHostProviderFromHwnd(hwnd, ppProvider)

#uselib "UIAutomationCore.dll"
#func global UiaHostProviderFromHwnd "UiaHostProviderFromHwnd" sptr, sptr
; UiaHostProviderFromHwnd hwnd, ppProvider   ; 戻り値は stat
; hwnd : HWND -> "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 UiaHostProviderFromHwnd "UiaHostProviderFromHwnd" sptr, sptr
; res = UiaHostProviderFromHwnd(hwnd, ppProvider)
; hwnd : HWND -> "sptr"
; ppProvider : IRawElementProviderSimple** out -> "sptr"

; HRESULT UiaHostProviderFromHwnd(HWND hwnd, IRawElementProviderSimple** ppProvider)
#uselib "UIAutomationCore.dll"
#cfunc global UiaHostProviderFromHwnd "UiaHostProviderFromHwnd" intptr, intptr
; res = UiaHostProviderFromHwnd(hwnd, ppProvider)
; hwnd : HWND -> "intptr"
; ppProvider : IRawElementProviderSimple** out -> "intptr"

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

var (
	uiautomationcore = windows.NewLazySystemDLL("UIAutomationCore.dll")
	procUiaHostProviderFromHwnd = uiautomationcore.NewProc("UiaHostProviderFromHwnd")
)

// hwnd (HWND), ppProvider (IRawElementProviderSimple** out)
r1, _, err := procUiaHostProviderFromHwnd.Call(
	uintptr(hwnd),
	uintptr(ppProvider),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function UiaHostProviderFromHwnd(
  hwnd: THandle;   // HWND
  ppProvider: Pointer   // IRawElementProviderSimple** out
): Integer; stdcall;
  external 'UIAutomationCore.dll' name 'UiaHostProviderFromHwnd';

result := DllCall("UIAutomationCore\UiaHostProviderFromHwnd"
    , "Ptr", hwnd   ; HWND
    , "Ptr", ppProvider   ; IRawElementProviderSimple** out
    , "Int")   ; return: HRESULT

●UiaHostProviderFromHwnd(hwnd, ppProvider) = DLL("UIAutomationCore.dll", "int UiaHostProviderFromHwnd(void*, void*)")
# 呼び出し: UiaHostProviderFromHwnd(hwnd, ppProvider)
# hwnd : HWND -> "void*"
# 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)。