CreateXmlWriterOutputWithEncodingName

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

HRESULT CreateXmlWriterOutputWithEncodingName(
    IUnknown* pOutputStream,
    IMalloc* pMalloc,   // optional
    LPCWSTR pwszEncodingName,
    IUnknown** ppOutput
);

<DllImport("XmlLite.dll", ExactSpelling:=True)>
Public Shared Function CreateXmlWriterOutputWithEncodingName(
    pOutputStream As IntPtr,   ' IUnknown*
    pMalloc As IntPtr,   ' IMalloc* optional
    <MarshalAs(UnmanagedType.LPWStr)> pwszEncodingName As String,   ' LPCWSTR
    ppOutput As IntPtr   ' IUnknown** out
) As Integer
End Function

' pOutputStream : IUnknown*
' pMalloc : IMalloc* optional
' pwszEncodingName : LPCWSTR
' ppOutput : IUnknown** out
Declare PtrSafe Function CreateXmlWriterOutputWithEncodingName Lib "xmllite" ( _
    ByVal pOutputStream As LongPtr, _
    ByVal pMalloc As LongPtr, _
    ByVal pwszEncodingName As LongPtr, _
    ByVal ppOutput 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

CreateXmlWriterOutputWithEncodingName = ctypes.windll.xmllite.CreateXmlWriterOutputWithEncodingName
CreateXmlWriterOutputWithEncodingName.restype = ctypes.c_int
CreateXmlWriterOutputWithEncodingName.argtypes = [
    ctypes.c_void_p,  # pOutputStream : IUnknown*
    ctypes.c_void_p,  # pMalloc : IMalloc* optional
    wintypes.LPCWSTR,  # pwszEncodingName : LPCWSTR
    ctypes.c_void_p,  # ppOutput : IUnknown** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('XmlLite.dll')
CreateXmlWriterOutputWithEncodingName = Fiddle::Function.new(
  lib['CreateXmlWriterOutputWithEncodingName'],
  [
    Fiddle::TYPE_VOIDP,  # pOutputStream : IUnknown*
    Fiddle::TYPE_VOIDP,  # pMalloc : IMalloc* optional
    Fiddle::TYPE_VOIDP,  # pwszEncodingName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # ppOutput : IUnknown** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "xmllite")]
extern "system" {
    fn CreateXmlWriterOutputWithEncodingName(
        pOutputStream: *mut core::ffi::c_void,  // IUnknown*
        pMalloc: *mut core::ffi::c_void,  // IMalloc* optional
        pwszEncodingName: *const u16,  // LPCWSTR
        ppOutput: *mut *mut core::ffi::c_void  // IUnknown** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("XmlLite.dll")]
public static extern int CreateXmlWriterOutputWithEncodingName(IntPtr pOutputStream, IntPtr pMalloc, [MarshalAs(UnmanagedType.LPWStr)] string pwszEncodingName, IntPtr ppOutput);
"@
$api = Add-Type -MemberDefinition $sig -Name 'XmlLite_CreateXmlWriterOutputWithEncodingName' -Namespace Win32 -PassThru
# $api::CreateXmlWriterOutputWithEncodingName(pOutputStream, pMalloc, pwszEncodingName, ppOutput)

#uselib "XmlLite.dll"
#func global CreateXmlWriterOutputWithEncodingName "CreateXmlWriterOutputWithEncodingName" sptr, sptr, sptr, sptr
; CreateXmlWriterOutputWithEncodingName pOutputStream, pMalloc, pwszEncodingName, ppOutput   ; 戻り値は stat
; pOutputStream : IUnknown* -> "sptr"
; pMalloc : IMalloc* optional -> "sptr"
; pwszEncodingName : LPCWSTR -> "sptr"
; ppOutput : IUnknown** 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 "XmlLite.dll"
#cfunc global CreateXmlWriterOutputWithEncodingName "CreateXmlWriterOutputWithEncodingName" sptr, sptr, wstr, sptr
; res = CreateXmlWriterOutputWithEncodingName(pOutputStream, pMalloc, pwszEncodingName, ppOutput)
; pOutputStream : IUnknown* -> "sptr"
; pMalloc : IMalloc* optional -> "sptr"
; pwszEncodingName : LPCWSTR -> "wstr"
; ppOutput : IUnknown** out -> "sptr"

; HRESULT CreateXmlWriterOutputWithEncodingName(IUnknown* pOutputStream, IMalloc* pMalloc, LPCWSTR pwszEncodingName, IUnknown** ppOutput)
#uselib "XmlLite.dll"
#cfunc global CreateXmlWriterOutputWithEncodingName "CreateXmlWriterOutputWithEncodingName" intptr, intptr, wstr, intptr
; res = CreateXmlWriterOutputWithEncodingName(pOutputStream, pMalloc, pwszEncodingName, ppOutput)
; pOutputStream : IUnknown* -> "intptr"
; pMalloc : IMalloc* optional -> "intptr"
; pwszEncodingName : LPCWSTR -> "wstr"
; ppOutput : IUnknown** out -> "intptr"

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

var (
	xmllite = windows.NewLazySystemDLL("XmlLite.dll")
	procCreateXmlWriterOutputWithEncodingName = xmllite.NewProc("CreateXmlWriterOutputWithEncodingName")
)

// pOutputStream (IUnknown*), pMalloc (IMalloc* optional), pwszEncodingName (LPCWSTR), ppOutput (IUnknown** out)
r1, _, err := procCreateXmlWriterOutputWithEncodingName.Call(
	uintptr(pOutputStream),
	uintptr(pMalloc),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszEncodingName))),
	uintptr(ppOutput),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CreateXmlWriterOutputWithEncodingName(
  pOutputStream: Pointer;   // IUnknown*
  pMalloc: Pointer;   // IMalloc* optional
  pwszEncodingName: PWideChar;   // LPCWSTR
  ppOutput: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'XmlLite.dll' name 'CreateXmlWriterOutputWithEncodingName';

result := DllCall("XmlLite\CreateXmlWriterOutputWithEncodingName"
    , "Ptr", pOutputStream   ; IUnknown*
    , "Ptr", pMalloc   ; IMalloc* optional
    , "WStr", pwszEncodingName   ; LPCWSTR
    , "Ptr", ppOutput   ; IUnknown** out
    , "Int")   ; return: HRESULT

●CreateXmlWriterOutputWithEncodingName(pOutputStream, pMalloc, pwszEncodingName, ppOutput) = DLL("XmlLite.dll", "int CreateXmlWriterOutputWithEncodingName(void*, void*, char*, void*)")
# 呼び出し: CreateXmlWriterOutputWithEncodingName(pOutputStream, pMalloc, pwszEncodingName, ppOutput)
# pOutputStream : IUnknown* -> "void*"
# pMalloc : IMalloc* optional -> "void*"
# pwszEncodingName : LPCWSTR -> "char*"
# ppOutput : IUnknown** 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)。