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IsNTAdmin

関数

現在のユーザーが管理者権限を持つかを判定する。

DLLADVPACK.dll呼出規約winapi

シグネチャ

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

BOOL IsNTAdmin(
    DWORD dwReserved,
    DWORD* lpdwReserved
);

パラメーター

名前	型	方向
dwReserved	DWORD	in
lpdwReserved	DWORD*	inout

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL IsNTAdmin(
    DWORD dwReserved,
    DWORD* lpdwReserved
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVPACK.dll", ExactSpelling = true)]
static extern bool IsNTAdmin(
    uint dwReserved,   // DWORD
    ref uint lpdwReserved   // DWORD* in/out
);

<DllImport("ADVPACK.dll", ExactSpelling:=True)>
Public Shared Function IsNTAdmin(
    dwReserved As UInteger,   ' DWORD
    ByRef lpdwReserved As UInteger   ' DWORD* in/out
) As Boolean
End Function

' dwReserved : DWORD
' lpdwReserved : DWORD* in/out
Declare PtrSafe Function IsNTAdmin Lib "advpack" ( _
    ByVal dwReserved As Long, _
    ByRef lpdwReserved 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

IsNTAdmin = ctypes.windll.advpack.IsNTAdmin
IsNTAdmin.restype = wintypes.BOOL
IsNTAdmin.argtypes = [
    wintypes.DWORD,  # dwReserved : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpdwReserved : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVPACK.dll')
IsNTAdmin = Fiddle::Function.new(
  lib['IsNTAdmin'],
  [
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
    Fiddle::TYPE_VOIDP,  # lpdwReserved : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "advpack")]
extern "system" {
    fn IsNTAdmin(
        dwReserved: u32,  // DWORD
        lpdwReserved: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVPACK.dll")]
public static extern bool IsNTAdmin(uint dwReserved, ref uint lpdwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVPACK_IsNTAdmin' -Namespace Win32 -PassThru
# $api::IsNTAdmin(dwReserved, lpdwReserved)

#uselib "ADVPACK.dll"
#func global IsNTAdmin "IsNTAdmin" sptr, sptr
; IsNTAdmin dwReserved, varptr(lpdwReserved)   ; 戻り値は stat
; dwReserved : DWORD -> "sptr"
; lpdwReserved : DWORD* in/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。

出力引数:

#uselib "ADVPACK.dll"
#cfunc global IsNTAdmin "IsNTAdmin" int, var
; res = IsNTAdmin(dwReserved, lpdwReserved)
; dwReserved : DWORD -> "int"
; lpdwReserved : DWORD* in/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。#uselib "ADVPACK.dll"
#cfunc global IsNTAdmin "IsNTAdmin" int, sptr
; res = IsNTAdmin(dwReserved, varptr(lpdwReserved))
; dwReserved : DWORD -> "int"
; lpdwReserved : DWORD* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL IsNTAdmin(DWORD dwReserved, DWORD* lpdwReserved)
#uselib "ADVPACK.dll"
#cfunc global IsNTAdmin "IsNTAdmin" int, var
; res = IsNTAdmin(dwReserved, lpdwReserved)
; dwReserved : DWORD -> "int"
; lpdwReserved : DWORD* in/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。; BOOL IsNTAdmin(DWORD dwReserved, DWORD* lpdwReserved)
#uselib "ADVPACK.dll"
#cfunc global IsNTAdmin "IsNTAdmin" int, intptr
; res = IsNTAdmin(dwReserved, varptr(lpdwReserved))
; dwReserved : DWORD -> "int"
; lpdwReserved : DWORD* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	advpack = windows.NewLazySystemDLL("ADVPACK.dll")
	procIsNTAdmin = advpack.NewProc("IsNTAdmin")
)

// dwReserved (DWORD), lpdwReserved (DWORD* in/out)
r1, _, err := procIsNTAdmin.Call(
	uintptr(dwReserved),
	uintptr(lpdwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function IsNTAdmin(
  dwReserved: DWORD;   // DWORD
  lpdwReserved: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'ADVPACK.dll' name 'IsNTAdmin';

result := DllCall("ADVPACK\IsNTAdmin"
    , "UInt", dwReserved   ; DWORD
    , "Ptr", lpdwReserved   ; DWORD* in/out
    , "Int")   ; return: BOOL

●IsNTAdmin(dwReserved, lpdwReserved) = DLL("ADVPACK.dll", "bool IsNTAdmin(dword, void*)")
# 呼び出し: IsNTAdmin(dwReserved, lpdwReserved)
# dwReserved : DWORD -> "dword"
# lpdwReserved : DWORD* in/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)。