ExtTextOutW

// GDI32.dll  (Unicode / -W)
#include <windows.h>

BOOL ExtTextOutW(
    HDC hdc,
    INT x,
    INT y,
    ETO_OPTIONS options,
    const RECT* lprect,   // optional
    LPCWSTR lpString,   // optional
    DWORD c,
    const INT* lpDx   // optional
);

<DllImport("GDI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function ExtTextOutW(
    hdc As IntPtr,   ' HDC
    x As Integer,   ' INT
    y As Integer,   ' INT
    options As UInteger,   ' ETO_OPTIONS
    lprect As IntPtr,   ' RECT* optional
    <MarshalAs(UnmanagedType.LPWStr)> lpString As String,   ' LPCWSTR optional
    c As UInteger,   ' DWORD
    lpDx As IntPtr   ' INT* optional
) As Boolean
End Function

' hdc : HDC
' x : INT
' y : INT
' options : ETO_OPTIONS
' lprect : RECT* optional
' lpString : LPCWSTR optional
' c : DWORD
' lpDx : INT* optional
Declare PtrSafe Function ExtTextOutW Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal x As Long, _
    ByVal y As Long, _
    ByVal options As Long, _
    ByVal lprect As LongPtr, _
    ByVal lpString As LongPtr, _
    ByVal c As Long, _
    ByVal lpDx As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ExtTextOutW = ctypes.windll.gdi32.ExtTextOutW
ExtTextOutW.restype = wintypes.BOOL
ExtTextOutW.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    ctypes.c_int,  # x : INT
    ctypes.c_int,  # y : INT
    wintypes.DWORD,  # options : ETO_OPTIONS
    ctypes.c_void_p,  # lprect : RECT* optional
    wintypes.LPCWSTR,  # lpString : LPCWSTR optional
    wintypes.DWORD,  # c : DWORD
    ctypes.POINTER(ctypes.c_int),  # lpDx : INT* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
ExtTextOutW = Fiddle::Function.new(
  lib['ExtTextOutW'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_INT,  # x : INT
    Fiddle::TYPE_INT,  # y : INT
    -Fiddle::TYPE_INT,  # options : ETO_OPTIONS
    Fiddle::TYPE_VOIDP,  # lprect : RECT* optional
    Fiddle::TYPE_VOIDP,  # lpString : LPCWSTR optional
    -Fiddle::TYPE_INT,  # c : DWORD
    Fiddle::TYPE_VOIDP,  # lpDx : INT* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "gdi32")]
extern "system" {
    fn ExtTextOutW(
        hdc: *mut core::ffi::c_void,  // HDC
        x: i32,  // INT
        y: i32,  // INT
        options: u32,  // ETO_OPTIONS
        lprect: *const RECT,  // RECT* optional
        lpString: *const u16,  // LPCWSTR optional
        c: u32,  // DWORD
        lpDx: *const i32  // INT* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", CharSet = CharSet.Unicode)]
public static extern bool ExtTextOutW(IntPtr hdc, int x, int y, uint options, IntPtr lprect, [MarshalAs(UnmanagedType.LPWStr)] string lpString, uint c, IntPtr lpDx);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_ExtTextOutW' -Namespace Win32 -PassThru
# $api::ExtTextOutW(hdc, x, y, options, lprect, lpString, c, lpDx)

#uselib "GDI32.dll"
#func global ExtTextOutW "ExtTextOutW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; ExtTextOutW hdc, x, y, options, varptr(lprect), lpString, c, varptr(lpDx)   ; 戻り値は stat
; hdc : HDC -> "wptr"
; x : INT -> "wptr"
; y : INT -> "wptr"
; options : ETO_OPTIONS -> "wptr"
; lprect : RECT* optional -> "wptr"
; lpString : LPCWSTR optional -> "wptr"
; c : DWORD -> "wptr"
; lpDx : INT* optional -> "wptr"
; ※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 "GDI32.dll"
#cfunc global ExtTextOutW "ExtTextOutW" sptr, int, int, int, var, wstr, int, var
; res = ExtTextOutW(hdc, x, y, options, lprect, lpString, c, lpDx)
; hdc : HDC -> "sptr"
; x : INT -> "int"
; y : INT -> "int"
; options : ETO_OPTIONS -> "int"
; lprect : RECT* optional -> "var"
; lpString : LPCWSTR optional -> "wstr"
; c : DWORD -> "int"
; lpDx : INT* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL ExtTextOutW(HDC hdc, INT x, INT y, ETO_OPTIONS options, RECT* lprect, LPCWSTR lpString, DWORD c, INT* lpDx)
#uselib "GDI32.dll"
#cfunc global ExtTextOutW "ExtTextOutW" intptr, int, int, int, var, wstr, int, var
; res = ExtTextOutW(hdc, x, y, options, lprect, lpString, c, lpDx)
; hdc : HDC -> "intptr"
; x : INT -> "int"
; y : INT -> "int"
; options : ETO_OPTIONS -> "int"
; lprect : RECT* optional -> "var"
; lpString : LPCWSTR optional -> "wstr"
; c : DWORD -> "int"
; lpDx : INT* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procExtTextOutW = gdi32.NewProc("ExtTextOutW")
)

// hdc (HDC), x (INT), y (INT), options (ETO_OPTIONS), lprect (RECT* optional), lpString (LPCWSTR optional), c (DWORD), lpDx (INT* optional)
r1, _, err := procExtTextOutW.Call(
	uintptr(hdc),
	uintptr(x),
	uintptr(y),
	uintptr(options),
	uintptr(lprect),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpString))),
	uintptr(c),
	uintptr(lpDx),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ExtTextOutW(
  hdc: THandle;   // HDC
  x: Integer;   // INT
  y: Integer;   // INT
  options: DWORD;   // ETO_OPTIONS
  lprect: Pointer;   // RECT* optional
  lpString: PWideChar;   // LPCWSTR optional
  c: DWORD;   // DWORD
  lpDx: Pointer   // INT* optional
): BOOL; stdcall;
  external 'GDI32.dll' name 'ExtTextOutW';

result := DllCall("GDI32\ExtTextOutW"
    , "Ptr", hdc   ; HDC
    , "Int", x   ; INT
    , "Int", y   ; INT
    , "UInt", options   ; ETO_OPTIONS
    , "Ptr", lprect   ; RECT* optional
    , "WStr", lpString   ; LPCWSTR optional
    , "UInt", c   ; DWORD
    , "Ptr", lpDx   ; INT* optional
    , "Int")   ; return: BOOL

●ExtTextOutW(hdc, x, y, options, lprect, lpString, c, lpDx) = DLL("GDI32.dll", "bool ExtTextOutW(void*, int, int, dword, void*, char*, dword, void*)")
# 呼び出し: ExtTextOutW(hdc, x, y, options, lprect, lpString, c, lpDx)
# hdc : HDC -> "void*"
# x : INT -> "int"
# y : INT -> "int"
# options : ETO_OPTIONS -> "dword"
# lprect : RECT* optional -> "void*"
# lpString : LPCWSTR optional -> "char*"
# c : DWORD -> "dword"
# lpDx : INT* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。