WsCreateWriter

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

HRESULT WsCreateWriter(
    const WS_XML_WRITER_PROPERTY* properties,   // optional
    DWORD propertyCount,
    WS_XML_WRITER** writer,
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsCreateWriter(
    properties As IntPtr,   ' WS_XML_WRITER_PROPERTY* optional
    propertyCount As UInteger,   ' DWORD
    writer As IntPtr,   ' WS_XML_WRITER** out
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' properties : WS_XML_WRITER_PROPERTY* optional
' propertyCount : DWORD
' writer : WS_XML_WRITER** out
' error : WS_ERROR* optional
Declare PtrSafe Function WsCreateWriter Lib "webservices" ( _
    ByVal properties As LongPtr, _
    ByVal propertyCount As Long, _
    ByVal writer As LongPtr, _
    ByVal error 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

WsCreateWriter = ctypes.windll.webservices.WsCreateWriter
WsCreateWriter.restype = ctypes.c_int
WsCreateWriter.argtypes = [
    ctypes.c_void_p,  # properties : WS_XML_WRITER_PROPERTY* optional
    wintypes.DWORD,  # propertyCount : DWORD
    ctypes.c_void_p,  # writer : WS_XML_WRITER** out
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsCreateWriter = Fiddle::Function.new(
  lib['WsCreateWriter'],
  [
    Fiddle::TYPE_VOIDP,  # properties : WS_XML_WRITER_PROPERTY* optional
    -Fiddle::TYPE_INT,  # propertyCount : DWORD
    Fiddle::TYPE_VOIDP,  # writer : WS_XML_WRITER** out
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsCreateWriter(
        properties: *const WS_XML_WRITER_PROPERTY,  // WS_XML_WRITER_PROPERTY* optional
        propertyCount: u32,  // DWORD
        writer: *mut *mut isize,  // WS_XML_WRITER** out
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsCreateWriter(IntPtr properties, uint propertyCount, IntPtr writer, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsCreateWriter' -Namespace Win32 -PassThru
# $api::WsCreateWriter(properties, propertyCount, writer, error)

#uselib "webservices.dll"
#func global WsCreateWriter "WsCreateWriter" sptr, sptr, sptr, sptr
; WsCreateWriter varptr(properties), propertyCount, writer, error   ; 戻り値は stat
; properties : WS_XML_WRITER_PROPERTY* optional -> "sptr"
; propertyCount : DWORD -> "sptr"
; writer : WS_XML_WRITER** out -> "sptr"
; error : WS_ERROR* optional -> "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 "webservices.dll"
#cfunc global WsCreateWriter "WsCreateWriter" var, int, int, int
; res = WsCreateWriter(properties, propertyCount, writer, error)
; properties : WS_XML_WRITER_PROPERTY* optional -> "var"
; propertyCount : DWORD -> "int"
; writer : WS_XML_WRITER** out -> "int"
; error : WS_ERROR* optional -> "int"
; ※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。

; HRESULT WsCreateWriter(WS_XML_WRITER_PROPERTY* properties, DWORD propertyCount, WS_XML_WRITER** writer, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsCreateWriter "WsCreateWriter" var, int, int, int
; res = WsCreateWriter(properties, propertyCount, writer, error)
; properties : WS_XML_WRITER_PROPERTY* optional -> "var"
; propertyCount : DWORD -> "int"
; writer : WS_XML_WRITER** out -> "int"
; error : WS_ERROR* optional -> "int"
; ※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 (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsCreateWriter = webservices.NewProc("WsCreateWriter")
)

// properties (WS_XML_WRITER_PROPERTY* optional), propertyCount (DWORD), writer (WS_XML_WRITER** out), error (WS_ERROR* optional)
r1, _, err := procWsCreateWriter.Call(
	uintptr(properties),
	uintptr(propertyCount),
	uintptr(writer),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsCreateWriter(
  properties: Pointer;   // WS_XML_WRITER_PROPERTY* optional
  propertyCount: DWORD;   // DWORD
  writer: Pointer;   // WS_XML_WRITER** out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsCreateWriter';

result := DllCall("webservices\WsCreateWriter"
    , "Ptr", properties   ; WS_XML_WRITER_PROPERTY* optional
    , "UInt", propertyCount   ; DWORD
    , "Ptr", writer   ; WS_XML_WRITER** out
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsCreateWriter(properties, propertyCount, writer, error) = DLL("webservices.dll", "int WsCreateWriter(void*, dword, void*, void*)")
# 呼び出し: WsCreateWriter(properties, propertyCount, writer, error)
# properties : WS_XML_WRITER_PROPERTY* optional -> "void*"
# propertyCount : DWORD -> "dword"
# writer : WS_XML_WRITER** out -> "void*"
# error : WS_ERROR* 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)。