wvsprintfW

// USER32.dll  (Unicode / -W)
#include <windows.h>

INT wvsprintfW(
    LPWSTR param0,
    LPCWSTR param1,
    CHAR* arglist
);

<DllImport("USER32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function wvsprintfW(
    <MarshalAs(UnmanagedType.LPWStr)> param0 As System.Text.StringBuilder,   ' LPWSTR out
    <MarshalAs(UnmanagedType.LPWStr)> param1 As String,   ' LPCWSTR
    arglist As IntPtr   ' CHAR*
) As Integer
End Function

' param0 : LPWSTR out
' param1 : LPCWSTR
' arglist : CHAR*
Declare PtrSafe Function wvsprintfW Lib "user32" ( _
    ByVal param0 As LongPtr, _
    ByVal param1 As LongPtr, _
    ByVal arglist 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

wvsprintfW = ctypes.windll.user32.wvsprintfW
wvsprintfW.restype = ctypes.c_int
wvsprintfW.argtypes = [
    wintypes.LPWSTR,  # param0 : LPWSTR out
    wintypes.LPCWSTR,  # param1 : LPCWSTR
    ctypes.POINTER(ctypes.c_byte),  # arglist : CHAR*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
wvsprintfW = Fiddle::Function.new(
  lib['wvsprintfW'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : LPWSTR out
    Fiddle::TYPE_VOIDP,  # param1 : LPCWSTR
    Fiddle::TYPE_VOIDP,  # arglist : CHAR*
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "user32")]
extern "system" {
    fn wvsprintfW(
        param0: *mut u16,  // LPWSTR out
        param1: *const u16,  // LPCWSTR
        arglist: *mut i8  // CHAR*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern int wvsprintfW([MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder param0, [MarshalAs(UnmanagedType.LPWStr)] string param1, IntPtr arglist);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_wvsprintfW' -Namespace Win32 -PassThru
# $api::wvsprintfW(param0, param1, arglist)

#uselib "USER32.dll"
#func global wvsprintfW "wvsprintfW" wptr, wptr, wptr
; wvsprintfW varptr(param0), param1, varptr(arglist)   ; 戻り値は stat
; param0 : LPWSTR out -> "wptr"
; param1 : LPCWSTR -> "wptr"
; arglist : CHAR* -> "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 "USER32.dll"
#cfunc global wvsprintfW "wvsprintfW" var, wstr, var
; res = wvsprintfW(param0, param1, arglist)
; param0 : LPWSTR out -> "var"
; param1 : LPCWSTR -> "wstr"
; arglist : CHAR* -> "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。

; INT wvsprintfW(LPWSTR param0, LPCWSTR param1, CHAR* arglist)
#uselib "USER32.dll"
#cfunc global wvsprintfW "wvsprintfW" var, wstr, var
; res = wvsprintfW(param0, param1, arglist)
; param0 : LPWSTR out -> "var"
; param1 : LPCWSTR -> "wstr"
; arglist : CHAR* -> "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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procwvsprintfW = user32.NewProc("wvsprintfW")
)

// param0 (LPWSTR out), param1 (LPCWSTR), arglist (CHAR*)
r1, _, err := procwvsprintfW.Call(
	uintptr(param0),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(param1))),
	uintptr(arglist),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function wvsprintfW(
  param0: PWideChar;   // LPWSTR out
  param1: PWideChar;   // LPCWSTR
  arglist: Pointer   // CHAR*
): Integer; stdcall;
  external 'USER32.dll' name 'wvsprintfW';

result := DllCall("USER32\wvsprintfW"
    , "Ptr", param0   ; LPWSTR out
    , "WStr", param1   ; LPCWSTR
    , "Ptr", arglist   ; CHAR*
    , "Int")   ; return: INT

●wvsprintfW(param0, param1, arglist) = DLL("USER32.dll", "int wvsprintfW(char*, char*, void*)")
# 呼び出し: wvsprintfW(param0, param1, arglist)
# param0 : LPWSTR out -> "char*"
# param1 : LPCWSTR -> "char*"
# arglist : CHAR* -> "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。