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GetIfEntry2

関数

指定ネットワークインターフェイスの詳細情報を取得する。

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 GetIfEntry2(
    MIB_IF_ROW2* Row
);

パラメーター

名前	型	方向
Row	MIB_IF_ROW2*	inout

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 GetIfEntry2(
    MIB_IF_ROW2* Row
);

[DllImport("IPHLPAPI.dll", ExactSpelling = true)]
static extern uint GetIfEntry2(
    IntPtr Row   // MIB_IF_ROW2* in/out
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function GetIfEntry2(
    Row As IntPtr   ' MIB_IF_ROW2* in/out
) As UInteger
End Function

' Row : MIB_IF_ROW2* in/out
Declare PtrSafe Function GetIfEntry2 Lib "iphlpapi" ( _
    ByVal Row 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

GetIfEntry2 = ctypes.windll.iphlpapi.GetIfEntry2
GetIfEntry2.restype = wintypes.DWORD
GetIfEntry2.argtypes = [
    ctypes.c_void_p,  # Row : MIB_IF_ROW2* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
GetIfEntry2 = Fiddle::Function.new(
  lib['GetIfEntry2'],
  [
    Fiddle::TYPE_VOIDP,  # Row : MIB_IF_ROW2* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn GetIfEntry2(
        Row: *mut MIB_IF_ROW2  // MIB_IF_ROW2* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint GetIfEntry2(IntPtr Row);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_GetIfEntry2' -Namespace Win32 -PassThru
# $api::GetIfEntry2(Row)

#uselib "IPHLPAPI.dll"
#func global GetIfEntry2 "GetIfEntry2" sptr
; GetIfEntry2 varptr(Row)   ; 戻り値は stat
; Row : MIB_IF_ROW2* 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 "IPHLPAPI.dll"
#cfunc global GetIfEntry2 "GetIfEntry2" var
; res = GetIfEntry2(Row)
; Row : MIB_IF_ROW2* 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 "IPHLPAPI.dll"
#cfunc global GetIfEntry2 "GetIfEntry2" sptr
; res = GetIfEntry2(varptr(Row))
; Row : MIB_IF_ROW2* 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:

; WIN32_ERROR GetIfEntry2(MIB_IF_ROW2* Row)
#uselib "IPHLPAPI.dll"
#cfunc global GetIfEntry2 "GetIfEntry2" var
; res = GetIfEntry2(Row)
; Row : MIB_IF_ROW2* 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。; WIN32_ERROR GetIfEntry2(MIB_IF_ROW2* Row)
#uselib "IPHLPAPI.dll"
#cfunc global GetIfEntry2 "GetIfEntry2" intptr
; res = GetIfEntry2(varptr(Row))
; Row : MIB_IF_ROW2* 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 (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procGetIfEntry2 = iphlpapi.NewProc("GetIfEntry2")
)

// Row (MIB_IF_ROW2* in/out)
r1, _, err := procGetIfEntry2.Call(
	uintptr(Row),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetIfEntry2(
  Row: Pointer   // MIB_IF_ROW2* in/out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetIfEntry2';

result := DllCall("IPHLPAPI\GetIfEntry2"
    , "Ptr", Row   ; MIB_IF_ROW2* in/out
    , "UInt")   ; return: WIN32_ERROR

●GetIfEntry2(Row) = DLL("IPHLPAPI.dll", "dword GetIfEntry2(void*)")
# 呼び出し: GetIfEntry2(Row)
# Row : MIB_IF_ROW2* 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)。