WsGetErrorProperty

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

HRESULT WsGetErrorProperty(
    WS_ERROR* error,
    WS_ERROR_PROPERTY_ID id,
    void* buffer,
    DWORD bufferSize
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsGetErrorProperty(
    ByRef [error] As IntPtr,   ' WS_ERROR*
    id As Integer,   ' WS_ERROR_PROPERTY_ID
    buffer As IntPtr,   ' void* out
    bufferSize As UInteger   ' DWORD
) As Integer
End Function

' error : WS_ERROR*
' id : WS_ERROR_PROPERTY_ID
' buffer : void* out
' bufferSize : DWORD
Declare PtrSafe Function WsGetErrorProperty Lib "webservices" ( _
    ByRef error As LongPtr, _
    ByVal id As Long, _
    ByVal buffer As LongPtr, _
    ByVal bufferSize As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WsGetErrorProperty = ctypes.windll.webservices.WsGetErrorProperty
WsGetErrorProperty.restype = ctypes.c_int
WsGetErrorProperty.argtypes = [
    ctypes.c_void_p,  # error : WS_ERROR*
    ctypes.c_int,  # id : WS_ERROR_PROPERTY_ID
    ctypes.POINTER(None),  # buffer : void* out
    wintypes.DWORD,  # bufferSize : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsGetErrorProperty = Fiddle::Function.new(
  lib['WsGetErrorProperty'],
  [
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR*
    Fiddle::TYPE_INT,  # id : WS_ERROR_PROPERTY_ID
    Fiddle::TYPE_VOIDP,  # buffer : void* out
    -Fiddle::TYPE_INT,  # bufferSize : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsGetErrorProperty(
        error: *mut isize,  // WS_ERROR*
        id: i32,  // WS_ERROR_PROPERTY_ID
        buffer: *mut (),  // void* out
        bufferSize: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsGetErrorProperty(ref IntPtr error, int id, IntPtr buffer, uint bufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsGetErrorProperty' -Namespace Win32 -PassThru
# $api::WsGetErrorProperty(error, id, buffer, bufferSize)

#uselib "webservices.dll"
#func global WsGetErrorProperty "WsGetErrorProperty" sptr, sptr, sptr, sptr
; WsGetErrorProperty error, id, buffer, bufferSize   ; 戻り値は stat
; error : WS_ERROR* -> "sptr"
; id : WS_ERROR_PROPERTY_ID -> "sptr"
; buffer : void* out -> "sptr"
; bufferSize : DWORD -> "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 WsGetErrorProperty "WsGetErrorProperty" int, int, sptr, int
; res = WsGetErrorProperty(error, id, buffer, bufferSize)
; error : WS_ERROR* -> "int"
; id : WS_ERROR_PROPERTY_ID -> "int"
; buffer : void* out -> "sptr"
; bufferSize : DWORD -> "int"

; HRESULT WsGetErrorProperty(WS_ERROR* error, WS_ERROR_PROPERTY_ID id, void* buffer, DWORD bufferSize)
#uselib "webservices.dll"
#cfunc global WsGetErrorProperty "WsGetErrorProperty" int, int, intptr, int
; res = WsGetErrorProperty(error, id, buffer, bufferSize)
; error : WS_ERROR* -> "int"
; id : WS_ERROR_PROPERTY_ID -> "int"
; buffer : void* out -> "intptr"
; bufferSize : DWORD -> "int"

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsGetErrorProperty = webservices.NewProc("WsGetErrorProperty")
)

// error (WS_ERROR*), id (WS_ERROR_PROPERTY_ID), buffer (void* out), bufferSize (DWORD)
r1, _, err := procWsGetErrorProperty.Call(
	uintptr(error),
	uintptr(id),
	uintptr(buffer),
	uintptr(bufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsGetErrorProperty(
  error: Pointer;   // WS_ERROR*
  id: Integer;   // WS_ERROR_PROPERTY_ID
  buffer: Pointer;   // void* out
  bufferSize: DWORD   // DWORD
): Integer; stdcall;
  external 'webservices.dll' name 'WsGetErrorProperty';

result := DllCall("webservices\WsGetErrorProperty"
    , "Ptr", error   ; WS_ERROR*
    , "Int", id   ; WS_ERROR_PROPERTY_ID
    , "Ptr", buffer   ; void* out
    , "UInt", bufferSize   ; DWORD
    , "Int")   ; return: HRESULT

●WsGetErrorProperty(error, id, buffer, bufferSize) = DLL("webservices.dll", "int WsGetErrorProperty(void*, int, void*, dword)")
# 呼び出し: WsGetErrorProperty(error, id, buffer, bufferSize)
# error : WS_ERROR* -> "void*"
# id : WS_ERROR_PROPERTY_ID -> "int"
# buffer : void* out -> "void*"
# bufferSize : DWORD -> "dword"
# 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)。