TextRange_FindText

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

HRESULT TextRange_FindText(
    HUIATEXTRANGE hobj,
    LPWSTR text,
    BOOL backward,
    BOOL ignoreCase,
    HUIATEXTRANGE* pRetVal
);

<DllImport("UIAutomationCore.dll", ExactSpelling:=True)>
Public Shared Function TextRange_FindText(
    hobj As IntPtr,   ' HUIATEXTRANGE
    <MarshalAs(UnmanagedType.LPWStr)> text As String,   ' LPWSTR
    backward As Boolean,   ' BOOL
    ignoreCase As Boolean,   ' BOOL
    pRetVal As IntPtr   ' HUIATEXTRANGE* in/out
) As Integer
End Function

' hobj : HUIATEXTRANGE
' text : LPWSTR
' backward : BOOL
' ignoreCase : BOOL
' pRetVal : HUIATEXTRANGE* in/out
Declare PtrSafe Function TextRange_FindText Lib "uiautomationcore" ( _
    ByVal hobj As LongPtr, _
    ByVal text As LongPtr, _
    ByVal backward As Long, _
    ByVal ignoreCase As Long, _
    ByVal pRetVal 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

TextRange_FindText = ctypes.windll.uiautomationcore.TextRange_FindText
TextRange_FindText.restype = ctypes.c_int
TextRange_FindText.argtypes = [
    wintypes.HANDLE,  # hobj : HUIATEXTRANGE
    wintypes.LPCWSTR,  # text : LPWSTR
    wintypes.BOOL,  # backward : BOOL
    wintypes.BOOL,  # ignoreCase : BOOL
    ctypes.c_void_p,  # pRetVal : HUIATEXTRANGE* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UIAutomationCore.dll')
TextRange_FindText = Fiddle::Function.new(
  lib['TextRange_FindText'],
  [
    Fiddle::TYPE_VOIDP,  # hobj : HUIATEXTRANGE
    Fiddle::TYPE_VOIDP,  # text : LPWSTR
    Fiddle::TYPE_INT,  # backward : BOOL
    Fiddle::TYPE_INT,  # ignoreCase : BOOL
    Fiddle::TYPE_VOIDP,  # pRetVal : HUIATEXTRANGE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "uiautomationcore")]
extern "system" {
    fn TextRange_FindText(
        hobj: *mut core::ffi::c_void,  // HUIATEXTRANGE
        text: *mut u16,  // LPWSTR
        backward: i32,  // BOOL
        ignoreCase: i32,  // BOOL
        pRetVal: *mut *mut core::ffi::c_void  // HUIATEXTRANGE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("UIAutomationCore.dll")]
public static extern int TextRange_FindText(IntPtr hobj, [MarshalAs(UnmanagedType.LPWStr)] string text, bool backward, bool ignoreCase, IntPtr pRetVal);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UIAutomationCore_TextRange_FindText' -Namespace Win32 -PassThru
# $api::TextRange_FindText(hobj, text, backward, ignoreCase, pRetVal)

#uselib "UIAutomationCore.dll"
#func global TextRange_FindText "TextRange_FindText" sptr, sptr, sptr, sptr, sptr
; TextRange_FindText hobj, text, backward, ignoreCase, pRetVal   ; 戻り値は stat
; hobj : HUIATEXTRANGE -> "sptr"
; text : LPWSTR -> "sptr"
; backward : BOOL -> "sptr"
; ignoreCase : BOOL -> "sptr"
; pRetVal : HUIATEXTRANGE* 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。

#uselib "UIAutomationCore.dll"
#cfunc global TextRange_FindText "TextRange_FindText" sptr, wstr, int, int, sptr
; res = TextRange_FindText(hobj, text, backward, ignoreCase, pRetVal)
; hobj : HUIATEXTRANGE -> "sptr"
; text : LPWSTR -> "wstr"
; backward : BOOL -> "int"
; ignoreCase : BOOL -> "int"
; pRetVal : HUIATEXTRANGE* in/out -> "sptr"

; HRESULT TextRange_FindText(HUIATEXTRANGE hobj, LPWSTR text, BOOL backward, BOOL ignoreCase, HUIATEXTRANGE* pRetVal)
#uselib "UIAutomationCore.dll"
#cfunc global TextRange_FindText "TextRange_FindText" intptr, wstr, int, int, intptr
; res = TextRange_FindText(hobj, text, backward, ignoreCase, pRetVal)
; hobj : HUIATEXTRANGE -> "intptr"
; text : LPWSTR -> "wstr"
; backward : BOOL -> "int"
; ignoreCase : BOOL -> "int"
; pRetVal : HUIATEXTRANGE* in/out -> "intptr"

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

var (
	uiautomationcore = windows.NewLazySystemDLL("UIAutomationCore.dll")
	procTextRange_FindText = uiautomationcore.NewProc("TextRange_FindText")
)

// hobj (HUIATEXTRANGE), text (LPWSTR), backward (BOOL), ignoreCase (BOOL), pRetVal (HUIATEXTRANGE* in/out)
r1, _, err := procTextRange_FindText.Call(
	uintptr(hobj),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(text))),
	uintptr(backward),
	uintptr(ignoreCase),
	uintptr(pRetVal),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function TextRange_FindText(
  hobj: THandle;   // HUIATEXTRANGE
  text: PWideChar;   // LPWSTR
  backward: BOOL;   // BOOL
  ignoreCase: BOOL;   // BOOL
  pRetVal: Pointer   // HUIATEXTRANGE* in/out
): Integer; stdcall;
  external 'UIAutomationCore.dll' name 'TextRange_FindText';

result := DllCall("UIAutomationCore\TextRange_FindText"
    , "Ptr", hobj   ; HUIATEXTRANGE
    , "WStr", text   ; LPWSTR
    , "Int", backward   ; BOOL
    , "Int", ignoreCase   ; BOOL
    , "Ptr", pRetVal   ; HUIATEXTRANGE* in/out
    , "Int")   ; return: HRESULT

●TextRange_FindText(hobj, text, backward, ignoreCase, pRetVal) = DLL("UIAutomationCore.dll", "int TextRange_FindText(void*, char*, bool, bool, void*)")
# 呼び出し: TextRange_FindText(hobj, text, backward, ignoreCase, pRetVal)
# hobj : HUIATEXTRANGE -> "void*"
# text : LPWSTR -> "char*"
# backward : BOOL -> "bool"
# ignoreCase : BOOL -> "bool"
# pRetVal : HUIATEXTRANGE* 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)。