ホーム › NetworkManagement.IpHelper › ConvertInterfaceAliasToLuid

ConvertInterfaceAliasToLuid

関数

インターフェイスのエイリアス(別名)をLUIDに変換する。

DLLIPHLPAPI.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

WIN32_ERROR ConvertInterfaceAliasToLuid(
    LPCWSTR InterfaceAlias,
    NET_LUID_LH* InterfaceLuid
);

パラメーター

名前	型	方向
InterfaceAlias	LPCWSTR	in
InterfaceLuid	NET_LUID_LH*	out

戻り値の型: WIN32_ERROR

各言語での呼び出し定義

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

WIN32_ERROR ConvertInterfaceAliasToLuid(
    LPCWSTR InterfaceAlias,
    NET_LUID_LH* InterfaceLuid
);

[DllImport("IPHLPAPI.dll", ExactSpelling = true)]
static extern uint ConvertInterfaceAliasToLuid(
    [MarshalAs(UnmanagedType.LPWStr)] string InterfaceAlias,   // LPCWSTR
    IntPtr InterfaceLuid   // NET_LUID_LH* out
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function ConvertInterfaceAliasToLuid(
    <MarshalAs(UnmanagedType.LPWStr)> InterfaceAlias As String,   ' LPCWSTR
    InterfaceLuid As IntPtr   ' NET_LUID_LH* out
) As UInteger
End Function

' InterfaceAlias : LPCWSTR
' InterfaceLuid : NET_LUID_LH* out
Declare PtrSafe Function ConvertInterfaceAliasToLuid Lib "iphlpapi" ( _
    ByVal InterfaceAlias As LongPtr, _
    ByVal InterfaceLuid 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

ConvertInterfaceAliasToLuid = ctypes.windll.iphlpapi.ConvertInterfaceAliasToLuid
ConvertInterfaceAliasToLuid.restype = wintypes.DWORD
ConvertInterfaceAliasToLuid.argtypes = [
    wintypes.LPCWSTR,  # InterfaceAlias : LPCWSTR
    ctypes.c_void_p,  # InterfaceLuid : NET_LUID_LH* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
ConvertInterfaceAliasToLuid = Fiddle::Function.new(
  lib['ConvertInterfaceAliasToLuid'],
  [
    Fiddle::TYPE_VOIDP,  # InterfaceAlias : LPCWSTR
    Fiddle::TYPE_VOIDP,  # InterfaceLuid : NET_LUID_LH* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn ConvertInterfaceAliasToLuid(
        InterfaceAlias: *const u16,  // LPCWSTR
        InterfaceLuid: *mut NET_LUID_LH  // NET_LUID_LH* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint ConvertInterfaceAliasToLuid([MarshalAs(UnmanagedType.LPWStr)] string InterfaceAlias, IntPtr InterfaceLuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_ConvertInterfaceAliasToLuid' -Namespace Win32 -PassThru
# $api::ConvertInterfaceAliasToLuid(InterfaceAlias, InterfaceLuid)

#uselib "IPHLPAPI.dll"
#func global ConvertInterfaceAliasToLuid "ConvertInterfaceAliasToLuid" sptr, sptr
; ConvertInterfaceAliasToLuid InterfaceAlias, varptr(InterfaceLuid)   ; 戻り値は stat
; InterfaceAlias : LPCWSTR -> "sptr"
; InterfaceLuid : NET_LUID_LH* 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 "IPHLPAPI.dll"
#cfunc global ConvertInterfaceAliasToLuid "ConvertInterfaceAliasToLuid" wstr, var
; res = ConvertInterfaceAliasToLuid(InterfaceAlias, InterfaceLuid)
; InterfaceAlias : LPCWSTR -> "wstr"
; InterfaceLuid : NET_LUID_LH* 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 "IPHLPAPI.dll"
#cfunc global ConvertInterfaceAliasToLuid "ConvertInterfaceAliasToLuid" wstr, sptr
; res = ConvertInterfaceAliasToLuid(InterfaceAlias, varptr(InterfaceLuid))
; InterfaceAlias : LPCWSTR -> "wstr"
; InterfaceLuid : NET_LUID_LH* 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:

; WIN32_ERROR ConvertInterfaceAliasToLuid(LPCWSTR InterfaceAlias, NET_LUID_LH* InterfaceLuid)
#uselib "IPHLPAPI.dll"
#cfunc global ConvertInterfaceAliasToLuid "ConvertInterfaceAliasToLuid" wstr, var
; res = ConvertInterfaceAliasToLuid(InterfaceAlias, InterfaceLuid)
; InterfaceAlias : LPCWSTR -> "wstr"
; InterfaceLuid : NET_LUID_LH* 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。; WIN32_ERROR ConvertInterfaceAliasToLuid(LPCWSTR InterfaceAlias, NET_LUID_LH* InterfaceLuid)
#uselib "IPHLPAPI.dll"
#cfunc global ConvertInterfaceAliasToLuid "ConvertInterfaceAliasToLuid" wstr, intptr
; res = ConvertInterfaceAliasToLuid(InterfaceAlias, varptr(InterfaceLuid))
; InterfaceAlias : LPCWSTR -> "wstr"
; InterfaceLuid : NET_LUID_LH* 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 (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procConvertInterfaceAliasToLuid = iphlpapi.NewProc("ConvertInterfaceAliasToLuid")
)

// InterfaceAlias (LPCWSTR), InterfaceLuid (NET_LUID_LH* out)
r1, _, err := procConvertInterfaceAliasToLuid.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(InterfaceAlias))),
	uintptr(InterfaceLuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function ConvertInterfaceAliasToLuid(
  InterfaceAlias: PWideChar;   // LPCWSTR
  InterfaceLuid: Pointer   // NET_LUID_LH* out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'ConvertInterfaceAliasToLuid';

result := DllCall("IPHLPAPI\ConvertInterfaceAliasToLuid"
    , "WStr", InterfaceAlias   ; LPCWSTR
    , "Ptr", InterfaceLuid   ; NET_LUID_LH* out
    , "UInt")   ; return: WIN32_ERROR

●ConvertInterfaceAliasToLuid(InterfaceAlias, InterfaceLuid) = DLL("IPHLPAPI.dll", "dword ConvertInterfaceAliasToLuid(char*, void*)")
# 呼び出し: ConvertInterfaceAliasToLuid(InterfaceAlias, InterfaceLuid)
# InterfaceAlias : LPCWSTR -> "char*"
# InterfaceLuid : NET_LUID_LH* 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)。