MprAdminGetErrorString

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

DWORD MprAdminGetErrorString(
    DWORD dwError,
    LPWSTR* lplpwsErrorString
);

<DllImport("MPRAPI.dll", ExactSpelling:=True)>
Public Shared Function MprAdminGetErrorString(
    dwError As UInteger,   ' DWORD
    lplpwsErrorString As IntPtr   ' LPWSTR* out
) As UInteger
End Function

' dwError : DWORD
' lplpwsErrorString : LPWSTR* out
Declare PtrSafe Function MprAdminGetErrorString Lib "mprapi" ( _
    ByVal dwError As Long, _
    ByVal lplpwsErrorString 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

MprAdminGetErrorString = ctypes.windll.mprapi.MprAdminGetErrorString
MprAdminGetErrorString.restype = wintypes.DWORD
MprAdminGetErrorString.argtypes = [
    wintypes.DWORD,  # dwError : DWORD
    ctypes.c_void_p,  # lplpwsErrorString : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPRAPI.dll')
MprAdminGetErrorString = Fiddle::Function.new(
  lib['MprAdminGetErrorString'],
  [
    -Fiddle::TYPE_INT,  # dwError : DWORD
    Fiddle::TYPE_VOIDP,  # lplpwsErrorString : LPWSTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mprapi")]
extern "system" {
    fn MprAdminGetErrorString(
        dwError: u32,  // DWORD
        lplpwsErrorString: *mut *mut u16  // LPWSTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPRAPI.dll")]
public static extern uint MprAdminGetErrorString(uint dwError, IntPtr lplpwsErrorString);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPRAPI_MprAdminGetErrorString' -Namespace Win32 -PassThru
# $api::MprAdminGetErrorString(dwError, lplpwsErrorString)

#uselib "MPRAPI.dll"
#func global MprAdminGetErrorString "MprAdminGetErrorString" sptr, sptr
; MprAdminGetErrorString dwError, varptr(lplpwsErrorString)   ; 戻り値は stat
; dwError : DWORD -> "sptr"
; lplpwsErrorString : LPWSTR* 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 "MPRAPI.dll"
#cfunc global MprAdminGetErrorString "MprAdminGetErrorString" int, var
; res = MprAdminGetErrorString(dwError, lplpwsErrorString)
; dwError : DWORD -> "int"
; lplpwsErrorString : LPWSTR* out -> "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。

; DWORD MprAdminGetErrorString(DWORD dwError, LPWSTR* lplpwsErrorString)
#uselib "MPRAPI.dll"
#cfunc global MprAdminGetErrorString "MprAdminGetErrorString" int, var
; res = MprAdminGetErrorString(dwError, lplpwsErrorString)
; dwError : DWORD -> "int"
; lplpwsErrorString : LPWSTR* out -> "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 (
	mprapi = windows.NewLazySystemDLL("MPRAPI.dll")
	procMprAdminGetErrorString = mprapi.NewProc("MprAdminGetErrorString")
)

// dwError (DWORD), lplpwsErrorString (LPWSTR* out)
r1, _, err := procMprAdminGetErrorString.Call(
	uintptr(dwError),
	uintptr(lplpwsErrorString),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MprAdminGetErrorString(
  dwError: DWORD;   // DWORD
  lplpwsErrorString: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'MPRAPI.dll' name 'MprAdminGetErrorString';

result := DllCall("MPRAPI\MprAdminGetErrorString"
    , "UInt", dwError   ; DWORD
    , "Ptr", lplpwsErrorString   ; LPWSTR* out
    , "UInt")   ; return: DWORD

●MprAdminGetErrorString(dwError, lplpwsErrorString) = DLL("MPRAPI.dll", "dword MprAdminGetErrorString(dword, void*)")
# 呼び出し: MprAdminGetErrorString(dwError, lplpwsErrorString)
# dwError : DWORD -> "dword"
# lplpwsErrorString : LPWSTR* 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)。