WlanQueryInterface
関数シグネチャ
// wlanapi.dll
#include <windows.h>
DWORD WlanQueryInterface(
HANDLE hClientHandle,
const GUID* pInterfaceGuid,
WLAN_INTF_OPCODE OpCode,
void* pReserved, // optional
DWORD* pdwDataSize,
void** ppData,
WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hClientHandle | HANDLE | in | クライアントのセッションハンドルです。以前に WlanOpenHandle 関数を呼び出して取得します。 | ||||||||||||||||||||||||||||||||||||||||||||||
| pInterfaceGuid | GUID* | in | 照会対象のインターフェイスの GUID です。 | ||||||||||||||||||||||||||||||||||||||||||||||
| OpCode | WLAN_INTF_OPCODE | in | 照会するパラメーターを指定する WLAN_INTF_OPCODE 値です。次の表に、有効な定数と、ppData に格納されるパラメーターのデータ型を示します。
Windows XP with SP3 および Wireless LAN API for Windows XP with SP2: wlan_intf_opcode_autoconf_enabled、wlan_intf_opcode_bss_type、wlan_intf_opcode_interface_state、wlan_intf_opcode_current_connection の各定数のみが有効です。 | ||||||||||||||||||||||||||||||||||||||||||||||
| pReserved | void* | optional | 将来の使用のために予約されています。NULL を設定する必要があります。 | ||||||||||||||||||||||||||||||||||||||||||||||
| pdwDataSize | DWORD* | out | ppData パラメーターのサイズ (バイト単位) です。 | ||||||||||||||||||||||||||||||||||||||||||||||
| ppData | void** | out | OpCode パラメーターで指定したパラメーターの照会結果の値が格納されているメモリ位置へのポインターです。 メモ OpCode に wlan_intf_opcode_autoconf_enabled、wlan_intf_opcode_background_scan_enabled、または wlan_intf_opcode_media_streaming_mode を設定した場合、ppData が参照するポインターは整数値を指すことがあります。ppData が参照するポインターが 0 を指している場合、その整数値はブール値 FALSE に変換してください。ppData が参照するポインターが 0 以外の整数を指している場合、その整数値はブール値 TRUE に変換してください。
| ||||||||||||||||||||||||||||||||||||||||||||||
| pWlanOpcodeValueType | WLAN_OPCODE_VALUE_TYPE* | outoptional | NULL 以外の値を渡した場合、返される opcode の種類を示す WLAN_OPCODE_VALUE_TYPE 値へのポインターを指定します。このパラメーターには NULL を指定できます。 |
戻り値の型: DWORD
公式ドキュメント
WlanQueryInterface 関数は、指定したインターフェイスのさまざまなパラメーターを照会します。
戻り値
関数が成功した場合、戻り値は ERROR_SUCCESS です。
関数が失敗した場合、戻り値は次のいずれかのリターンコードになることがあります。
解説(Remarks)
ppData に割り当てられたメモリは、呼び出し側が WlanFreeMemory を使用して解放する必要があります。
OpCode に wlan_intf_opcode_current_operation_mode を設定した場合、WlanQueryInterface はワイヤレスインターフェイスの現在の動作モードを照会します。動作モードの詳細については、Native 802.11 Operation Modes を参照してください。サポートされる動作モードは DOT11_OPERATION_MODE_EXTENSIBLE_STATION と DOT11_OPERATION_MODE_NETWORK_MONITOR の 2 つです。これらの動作モードの定数は、ヘッダーファイル Windot11.h で定義されています。ppData は、この 2 つの値のいずれかを指します。
例
次の例では、ローカルコンピューター上のワイヤレス LAN インターフェイスを列挙し、各インターフェイスの WLAN_CONNECTION_ATTRIBUTES を照会して、取得した WLAN_CONNECTION_ATTRIBUTES 構造体の値を出力します。
WlanQueryInterface 関数を使用する別の例については、WLAN_RADIO_STATE 構造体を参照してください。
#ifndef UNICODE
#define UNICODE
#endif
#include <windows.h>
#include <wlanapi.h>
#include <Windot11.h> // for DOT11_SSID struct
#include <objbase.h>
#include <wtypes.h>
//#include <wchar.h>
#include <stdio.h>
#include <stdlib.h>
// Need to link with Wlanapi.lib and Ole32.lib
#pragma comment(lib, "wlanapi.lib")
#pragma comment(lib, "ole32.lib")
int wmain()
{
// Declare and initialize variables.
HANDLE hClient = NULL;
DWORD dwMaxClient = 2; //
DWORD dwCurVersion = 0;
DWORD dwResult = 0;
DWORD dwRetVal = 0;
int iRet = 0;
WCHAR GuidString[39] = { 0 };
unsigned int i, k;
// variables used for WlanEnumInterfaces
PWLAN_INTERFACE_INFO_LIST pIfList = NULL;
PWLAN_INTERFACE_INFO pIfInfo = NULL;
// variables used for WlanQueryInterfaces for opcode = wlan_intf_opcode_current_connection
PWLAN_CONNECTION_ATTRIBUTES pConnectInfo = NULL;
DWORD connectInfoSize = sizeof(WLAN_CONNECTION_ATTRIBUTES);
WLAN_OPCODE_VALUE_TYPE opCode = wlan_opcode_value_type_invalid;
dwResult = WlanOpenHandle(dwMaxClient, NULL, &dwCurVersion, &hClient);
if (dwResult != ERROR_SUCCESS) {
wprintf(L"WlanOpenHandle failed with error: %u\n", dwResult);
return 1;
// You can use FormatMessage here to find out why the function failed
}
dwResult = WlanEnumInterfaces(hClient, NULL, &pIfList);
if (dwResult != ERROR_SUCCESS) {
wprintf(L"WlanEnumInterfaces failed with error: %u\n", dwResult);
return 1;
// You can use FormatMessage here to find out why the function failed
} else {
wprintf(L"Num Entries: %lu\n", pIfList->dwNumberOfItems);
wprintf(L"Current Index: %lu\n", pIfList->dwIndex);
for (i = 0; i < (int) pIfList->dwNumberOfItems; i++) {
pIfInfo = (WLAN_INTERFACE_INFO *) & pIfList->InterfaceInfo[i];
wprintf(L" Interface Index[%u]:\t %lu\n", i, i);
iRet =
StringFromGUID2(pIfInfo->InterfaceGuid, (LPOLESTR) & GuidString,
sizeof (GuidString) / sizeof (*GuidString));
// For c rather than C++ source code, the above line needs to be
// iRet = StringFromGUID2(&pIfInfo->InterfaceGuid, (LPOLESTR) &GuidString,
// sizeof(GuidString)/sizeof(*GuidString));
if (iRet == 0)
wprintf(L"StringFromGUID2 failed\n");
else {
wprintf(L" InterfaceGUID[%d]:\t %ws\n", i, GuidString);
}
wprintf(L" Interface Description[%d]: %ws", i, pIfInfo->strInterfaceDescription);
wprintf(L"\n");
wprintf(L" Interface State[%d]:\t ", i);
switch (pIfInfo->isState) {
case wlan_interface_state_not_ready:
wprintf(L"Not ready\n");
break;
case wlan_interface_state_connected:
wprintf(L"Connected\n");
break;
case wlan_interface_state_ad_hoc_network_formed:
wprintf(L"First node in a ad hoc network\n");
break;
case wlan_interface_state_disconnecting:
wprintf(L"Disconnecting\n");
break;
case wlan_interface_state_disconnected:
wprintf(L"Not connected\n");
break;
case wlan_interface_state_associating:
wprintf(L"Attempting to associate with a network\n");
break;
case wlan_interface_state_discovering:
wprintf(L"Auto configuration is discovering settings for the network\n");
break;
case wlan_interface_state_authenticating:
wprintf(L"In process of authenticating\n");
break;
default:
wprintf(L"Unknown state %ld\n", pIfInfo->isState);
break;
}
wprintf(L"\n");
// If interface state is connected, call WlanQueryInterface
// to get current connection attributes
if (pIfInfo->isState == wlan_interface_state_connected) {
dwResult = WlanQueryInterface(hClient,
&pIfInfo->InterfaceGuid,
wlan_intf_opcode_current_connection,
NULL,
&connectInfoSize,
(PVOID *) &pConnectInfo,
&opCode);
if (dwResult != ERROR_SUCCESS) {
wprintf(L"WlanQueryInterface failed with error: %u\n", dwResult);
dwRetVal = 1;
// You can use FormatMessage to find out why the function failed
} else {
wprintf(L" WLAN_CONNECTION_ATTRIBUTES for this interface\n");
wprintf(L" Interface State:\t ");
switch (pConnectInfo->isState) {
case wlan_interface_state_not_ready:
wprintf(L"Not ready\n");
break;
case wlan_interface_state_connected:
wprintf(L"Connected\n");
break;
case wlan_interface_state_ad_hoc_network_formed:
wprintf(L"First node in a ad hoc network\n");
break;
case wlan_interface_state_disconnecting:
wprintf(L"Disconnecting\n");
break;
case wlan_interface_state_disconnected:
wprintf(L"Not connected\n");
break;
case wlan_interface_state_associating:
wprintf(L"Attempting to associate with a network\n");
break;
case wlan_interface_state_discovering:
wprintf
(L"Auto configuration is discovering settings for the network\n");
break;
case wlan_interface_state_authenticating:
wprintf(L"In process of authenticating\n");
break;
default:
wprintf(L"Unknown state %ld\n", pIfInfo->isState);
break;
}
wprintf(L" Connection Mode:\t ");
switch (pConnectInfo->wlanConnectionMode) {
case wlan_connection_mode_profile:
wprintf(L"A profile is used to make the connection\n");
break;
case wlan_connection_mode_temporary_profile:
wprintf(L"A temporary profile is used to make the connection\n");
break;
case wlan_connection_mode_discovery_secure:
wprintf(L"Secure discovery is used to make the connection\n");
break;
case wlan_connection_mode_discovery_unsecure:
wprintf(L"Unsecure discovery is used to make the connection\n");
break;
case wlan_connection_mode_auto:
wprintf
(L"connection initiated by wireless service automatically using a persistent profile\n");
break;
case wlan_connection_mode_invalid:
wprintf(L"Invalid connection mode\n");
break;
default:
wprintf(L"Unknown connection mode %ld\n",
pConnectInfo->wlanConnectionMode);
break;
}
wprintf(L" Profile name used:\t %ws\n", pConnectInfo->strProfileName);
wprintf(L" Association Attributes for this connection\n");
wprintf(L" SSID:\t\t ");
if (pConnectInfo->wlanAssociationAttributes.dot11Ssid.uSSIDLength == 0)
wprintf(L"\n");
else {
for (k = 0;
k < pConnectInfo->wlanAssociationAttributes.dot11Ssid.uSSIDLength;
k++) {
wprintf(L"%c",
(int) pConnectInfo->wlanAssociationAttributes.dot11Ssid.
ucSSID[k]);
}
wprintf(L"\n");
}
wprintf(L" BSS Network type:\t ");
switch (pConnectInfo->wlanAssociationAttributes.dot11BssType) {
case dot11_BSS_type_infrastructure:
wprintf(L"Infrastructure\n");
break;
case dot11_BSS_type_independent:
wprintf(L"Infrastructure\n");
break;
default:
wprintf(L"Other = %lu\n",
pConnectInfo->wlanAssociationAttributes.dot11BssType);
break;
}
wprintf(L" MAC address:\t ");
for (k = 0; k < sizeof (pConnectInfo->wlanAssociationAttributes.dot11Bssid);
k++) {
if (k == 5)
wprintf(L"%.2X\n",
pConnectInfo->wlanAssociationAttributes.dot11Bssid[k]);
else
wprintf(L"%.2X-",
pConnectInfo->wlanAssociationAttributes.dot11Bssid[k]);
}
wprintf(L" PHY network type:\t ");
switch (pConnectInfo->wlanAssociationAttributes.dot11PhyType) {
case dot11_phy_type_fhss:
wprintf(L"Frequency-hopping spread-spectrum (FHSS)\n");
break;
case dot11_phy_type_dsss:
wprintf(L"Direct sequence spread spectrum (DSSS)\n");
break;
case dot11_phy_type_irbaseband:
wprintf(L"Infrared (IR) baseband\n");
break;
case dot11_phy_type_ofdm:
wprintf(L"Orthogonal frequency division multiplexing (OFDM)\n");
break;
case dot11_phy_type_hrdsss:
wprintf(L"High-rate DSSS (HRDSSS) = \n");
break;
case dot11_phy_type_erp:
wprintf(L"Extended rate PHY type\n");
break;
case dot11_phy_type_ht:
wprintf(L"802.11n PHY type\n");
break;
default:
wprintf(L"Unknown = %lu\n",
pConnectInfo->wlanAssociationAttributes.dot11PhyType);
break;
}
wprintf(L" PHY index:\t\t %u\n",
pConnectInfo->wlanAssociationAttributes.uDot11PhyIndex);
wprintf(L" Signal Quality:\t %d\n",
pConnectInfo->wlanAssociationAttributes.wlanSignalQuality);
wprintf(L" Receiving Rate:\t %ld\n",
pConnectInfo->wlanAssociationAttributes.ulRxRate);
wprintf(L" Transmission Rate:\t %ld\n",
pConnectInfo->wlanAssociationAttributes.ulTxRate);
wprintf(L"\n");
wprintf(L" Security Attributes for this connection\n");
wprintf(L" Security enabled:\t ");
if (pConnectInfo->wlanSecurityAttributes.bSecurityEnabled == 0)
wprintf(L"No\n");
else
wprintf(L"Yes\n");
wprintf(L" 802.1X enabled:\t ");
if (pConnectInfo->wlanSecurityAttributes.bOneXEnabled == 0)
wprintf(L"No\n");
else
wprintf(L"Yes\n");
wprintf(L" Authentication Algorithm: ");
switch (pConnectInfo->wlanSecurityAttributes.dot11AuthAlgorithm) {
case DOT11_AUTH_ALGO_80211_OPEN:
wprintf(L"802.11 Open\n");
break;
case DOT11_AUTH_ALGO_80211_SHARED_KEY:
wprintf(L"802.11 Shared\n");
break;
case DOT11_AUTH_ALGO_WPA:
wprintf(L"WPA\n");
break;
case DOT11_AUTH_ALGO_WPA_PSK:
wprintf(L"WPA-PSK\n");
break;
case DOT11_AUTH_ALGO_WPA_NONE:
wprintf(L"WPA-None\n");
break;
case DOT11_AUTH_ALGO_RSNA:
wprintf(L"RSNA\n");
break;
case DOT11_AUTH_ALGO_RSNA_PSK:
wprintf(L"RSNA with PSK\n");
break;
default:
wprintf(L"Other (%lu)\n", pConnectInfo->wlanSecurityAttributes.dot11AuthAlgorithm);
break;
}
wprintf(L" Cipher Algorithm:\t ");
switch (pConnectInfo->wlanSecurityAttributes.dot11CipherAlgorithm) {
case DOT11_CIPHER_ALGO_NONE:
wprintf(L"None\n");
break;
case DOT11_CIPHER_ALGO_WEP40:
wprintf(L"WEP-40\n");
break;
case DOT11_CIPHER_ALGO_TKIP:
wprintf(L"TKIP\n");
break;
case DOT11_CIPHER_ALGO_CCMP:
wprintf(L"CCMP\n");
break;
case DOT11_CIPHER_ALGO_WEP104:
wprintf(L"WEP-104\n");
break;
case DOT11_CIPHER_ALGO_WEP:
wprintf(L"WEP\n");
break;
default:
wprintf(L"Other (0x%x)\n", pConnectInfo->wlanSecurityAttributes.dot11CipherAlgorithm);
break;
}
wprintf(L"\n");
}
}
}
}
if (pConnectInfo != NULL) {
WlanFreeMemory(pConnectInfo);
pConnectInfo = NULL;
}
if (pIfList != NULL) {
WlanFreeMemory(pIfList);
pIfList = NULL;
}
return dwRetVal;
}
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)
各言語での呼び出し定義
// wlanapi.dll
#include <windows.h>
DWORD WlanQueryInterface(
HANDLE hClientHandle,
const GUID* pInterfaceGuid,
WLAN_INTF_OPCODE OpCode,
void* pReserved, // optional
DWORD* pdwDataSize,
void** ppData,
WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType // optional
);[DllImport("wlanapi.dll", ExactSpelling = true)]
static extern uint WlanQueryInterface(
IntPtr hClientHandle, // HANDLE
ref Guid pInterfaceGuid, // GUID*
int OpCode, // WLAN_INTF_OPCODE
IntPtr pReserved, // void* optional
out uint pdwDataSize, // DWORD* out
IntPtr ppData, // void** out
IntPtr pWlanOpcodeValueType // WLAN_OPCODE_VALUE_TYPE* optional, out
);<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanQueryInterface(
hClientHandle As IntPtr, ' HANDLE
ByRef pInterfaceGuid As Guid, ' GUID*
OpCode As Integer, ' WLAN_INTF_OPCODE
pReserved As IntPtr, ' void* optional
<Out> ByRef pdwDataSize As UInteger, ' DWORD* out
ppData As IntPtr, ' void** out
pWlanOpcodeValueType As IntPtr ' WLAN_OPCODE_VALUE_TYPE* optional, out
) As UInteger
End Function' hClientHandle : HANDLE
' pInterfaceGuid : GUID*
' OpCode : WLAN_INTF_OPCODE
' pReserved : void* optional
' pdwDataSize : DWORD* out
' ppData : void** out
' pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
Declare PtrSafe Function WlanQueryInterface Lib "wlanapi" ( _
ByVal hClientHandle As LongPtr, _
ByVal pInterfaceGuid As LongPtr, _
ByVal OpCode As Long, _
ByVal pReserved As LongPtr, _
ByRef pdwDataSize As Long, _
ByVal ppData As LongPtr, _
ByVal pWlanOpcodeValueType 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
WlanQueryInterface = ctypes.windll.wlanapi.WlanQueryInterface
WlanQueryInterface.restype = wintypes.DWORD
WlanQueryInterface.argtypes = [
wintypes.HANDLE, # hClientHandle : HANDLE
ctypes.c_void_p, # pInterfaceGuid : GUID*
ctypes.c_int, # OpCode : WLAN_INTF_OPCODE
ctypes.POINTER(None), # pReserved : void* optional
ctypes.POINTER(wintypes.DWORD), # pdwDataSize : DWORD* out
ctypes.c_void_p, # ppData : void** out
ctypes.c_void_p, # pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('wlanapi.dll')
WlanQueryInterface = Fiddle::Function.new(
lib['WlanQueryInterface'],
[
Fiddle::TYPE_VOIDP, # hClientHandle : HANDLE
Fiddle::TYPE_VOIDP, # pInterfaceGuid : GUID*
Fiddle::TYPE_INT, # OpCode : WLAN_INTF_OPCODE
Fiddle::TYPE_VOIDP, # pReserved : void* optional
Fiddle::TYPE_VOIDP, # pdwDataSize : DWORD* out
Fiddle::TYPE_VOIDP, # ppData : void** out
Fiddle::TYPE_VOIDP, # pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
],
-Fiddle::TYPE_INT)#[link(name = "wlanapi")]
extern "system" {
fn WlanQueryInterface(
hClientHandle: *mut core::ffi::c_void, // HANDLE
pInterfaceGuid: *const GUID, // GUID*
OpCode: i32, // WLAN_INTF_OPCODE
pReserved: *mut (), // void* optional
pdwDataSize: *mut u32, // DWORD* out
ppData: *mut *mut (), // void** out
pWlanOpcodeValueType: *mut i32 // WLAN_OPCODE_VALUE_TYPE* optional, out
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanQueryInterface(IntPtr hClientHandle, ref Guid pInterfaceGuid, int OpCode, IntPtr pReserved, out uint pdwDataSize, IntPtr ppData, IntPtr pWlanOpcodeValueType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanQueryInterface' -Namespace Win32 -PassThru
# $api::WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)#uselib "wlanapi.dll"
#func global WlanQueryInterface "WlanQueryInterface" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WlanQueryInterface hClientHandle, varptr(pInterfaceGuid), OpCode, pReserved, varptr(pdwDataSize), ppData, varptr(pWlanOpcodeValueType) ; 戻り値は stat
; hClientHandle : HANDLE -> "sptr"
; pInterfaceGuid : GUID* -> "sptr"
; OpCode : WLAN_INTF_OPCODE -> "sptr"
; pReserved : void* optional -> "sptr"
; pdwDataSize : DWORD* out -> "sptr"
; ppData : void** out -> "sptr"
; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, 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 "wlanapi.dll" #cfunc global WlanQueryInterface "WlanQueryInterface" sptr, var, int, sptr, var, sptr, var ; res = WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType) ; hClientHandle : HANDLE -> "sptr" ; pInterfaceGuid : GUID* -> "var" ; OpCode : WLAN_INTF_OPCODE -> "int" ; pReserved : void* optional -> "sptr" ; pdwDataSize : DWORD* out -> "var" ; ppData : void** out -> "sptr" ; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, 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 "wlanapi.dll" #cfunc global WlanQueryInterface "WlanQueryInterface" sptr, sptr, int, sptr, sptr, sptr, sptr ; res = WlanQueryInterface(hClientHandle, varptr(pInterfaceGuid), OpCode, pReserved, varptr(pdwDataSize), ppData, varptr(pWlanOpcodeValueType)) ; hClientHandle : HANDLE -> "sptr" ; pInterfaceGuid : GUID* -> "sptr" ; OpCode : WLAN_INTF_OPCODE -> "int" ; pReserved : void* optional -> "sptr" ; pdwDataSize : DWORD* out -> "sptr" ; ppData : void** out -> "sptr" ; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, 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))。
; DWORD WlanQueryInterface(HANDLE hClientHandle, GUID* pInterfaceGuid, WLAN_INTF_OPCODE OpCode, void* pReserved, DWORD* pdwDataSize, void** ppData, WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType) #uselib "wlanapi.dll" #cfunc global WlanQueryInterface "WlanQueryInterface" intptr, var, int, intptr, var, intptr, var ; res = WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType) ; hClientHandle : HANDLE -> "intptr" ; pInterfaceGuid : GUID* -> "var" ; OpCode : WLAN_INTF_OPCODE -> "int" ; pReserved : void* optional -> "intptr" ; pdwDataSize : DWORD* out -> "var" ; ppData : void** out -> "intptr" ; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, 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 WlanQueryInterface(HANDLE hClientHandle, GUID* pInterfaceGuid, WLAN_INTF_OPCODE OpCode, void* pReserved, DWORD* pdwDataSize, void** ppData, WLAN_OPCODE_VALUE_TYPE* pWlanOpcodeValueType) #uselib "wlanapi.dll" #cfunc global WlanQueryInterface "WlanQueryInterface" intptr, intptr, int, intptr, intptr, intptr, intptr ; res = WlanQueryInterface(hClientHandle, varptr(pInterfaceGuid), OpCode, pReserved, varptr(pdwDataSize), ppData, varptr(pWlanOpcodeValueType)) ; hClientHandle : HANDLE -> "intptr" ; pInterfaceGuid : GUID* -> "intptr" ; OpCode : WLAN_INTF_OPCODE -> "int" ; pReserved : void* optional -> "intptr" ; pdwDataSize : DWORD* out -> "intptr" ; ppData : void** out -> "intptr" ; pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, 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 (
wlanapi = windows.NewLazySystemDLL("wlanapi.dll")
procWlanQueryInterface = wlanapi.NewProc("WlanQueryInterface")
)
// hClientHandle (HANDLE), pInterfaceGuid (GUID*), OpCode (WLAN_INTF_OPCODE), pReserved (void* optional), pdwDataSize (DWORD* out), ppData (void** out), pWlanOpcodeValueType (WLAN_OPCODE_VALUE_TYPE* optional, out)
r1, _, err := procWlanQueryInterface.Call(
uintptr(hClientHandle),
uintptr(pInterfaceGuid),
uintptr(OpCode),
uintptr(pReserved),
uintptr(pdwDataSize),
uintptr(ppData),
uintptr(pWlanOpcodeValueType),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // DWORDfunction WlanQueryInterface(
hClientHandle: THandle; // HANDLE
pInterfaceGuid: PGUID; // GUID*
OpCode: Integer; // WLAN_INTF_OPCODE
pReserved: Pointer; // void* optional
pdwDataSize: Pointer; // DWORD* out
ppData: Pointer; // void** out
pWlanOpcodeValueType: Pointer // WLAN_OPCODE_VALUE_TYPE* optional, out
): DWORD; stdcall;
external 'wlanapi.dll' name 'WlanQueryInterface';result := DllCall("wlanapi\WlanQueryInterface"
, "Ptr", hClientHandle ; HANDLE
, "Ptr", pInterfaceGuid ; GUID*
, "Int", OpCode ; WLAN_INTF_OPCODE
, "Ptr", pReserved ; void* optional
, "Ptr", pdwDataSize ; DWORD* out
, "Ptr", ppData ; void** out
, "Ptr", pWlanOpcodeValueType ; WLAN_OPCODE_VALUE_TYPE* optional, out
, "UInt") ; return: DWORD●WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType) = DLL("wlanapi.dll", "dword WlanQueryInterface(void*, void*, int, void*, void*, void*, void*)")
# 呼び出し: WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
# hClientHandle : HANDLE -> "void*"
# pInterfaceGuid : GUID* -> "void*"
# OpCode : WLAN_INTF_OPCODE -> "int"
# pReserved : void* optional -> "void*"
# pdwDataSize : DWORD* out -> "void*"
# ppData : void** out -> "void*"
# pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, 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)。const std = @import("std");
extern "wlanapi" fn WlanQueryInterface(
hClientHandle: ?*anyopaque, // HANDLE
pInterfaceGuid: [*c]GUID, // GUID*
OpCode: i32, // WLAN_INTF_OPCODE
pReserved: ?*anyopaque, // void* optional
pdwDataSize: [*c]u32, // DWORD* out
ppData: ?*anyopaque, // void** out
pWlanOpcodeValueType: [*c]i32 // WLAN_OPCODE_VALUE_TYPE* optional, out
) callconv(std.os.windows.WINAPI) u32;proc WlanQueryInterface(
hClientHandle: pointer, # HANDLE
pInterfaceGuid: ptr GUID, # GUID*
OpCode: int32, # WLAN_INTF_OPCODE
pReserved: pointer, # void* optional
pdwDataSize: ptr uint32, # DWORD* out
ppData: pointer, # void** out
pWlanOpcodeValueType: ptr int32 # WLAN_OPCODE_VALUE_TYPE* optional, out
): uint32 {.importc: "WlanQueryInterface", stdcall, dynlib: "wlanapi.dll".}pragma(lib, "wlanapi");
extern(Windows)
uint WlanQueryInterface(
void* hClientHandle, // HANDLE
GUID* pInterfaceGuid, // GUID*
int OpCode, // WLAN_INTF_OPCODE
void* pReserved, // void* optional
uint* pdwDataSize, // DWORD* out
void** ppData, // void** out
int* pWlanOpcodeValueType // WLAN_OPCODE_VALUE_TYPE* optional, out
);ccall((:WlanQueryInterface, "wlanapi.dll"), stdcall, UInt32,
(Ptr{Cvoid}, Ptr{GUID}, Int32, Ptr{Cvoid}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{Int32}),
hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
# hClientHandle : HANDLE -> Ptr{Cvoid}
# pInterfaceGuid : GUID* -> Ptr{GUID}
# OpCode : WLAN_INTF_OPCODE -> Int32
# pReserved : void* optional -> Ptr{Cvoid}
# pdwDataSize : DWORD* out -> Ptr{UInt32}
# ppData : void** out -> Ptr{Cvoid}
# pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
uint32_t WlanQueryInterface(
void* hClientHandle,
void* pInterfaceGuid,
int32_t OpCode,
void* pReserved,
uint32_t* pdwDataSize,
void** ppData,
int32_t* pWlanOpcodeValueType);
]]
local wlanapi = ffi.load("wlanapi")
-- wlanapi.WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
-- hClientHandle : HANDLE
-- pInterfaceGuid : GUID*
-- OpCode : WLAN_INTF_OPCODE
-- pReserved : void* optional
-- pdwDataSize : DWORD* out
-- ppData : void** out
-- pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('wlanapi.dll');
const WlanQueryInterface = lib.func('__stdcall', 'WlanQueryInterface', 'uint32_t', ['void *', 'void *', 'int32_t', 'void *', 'uint32_t *', 'void *', 'int32_t *']);
// WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
// hClientHandle : HANDLE -> 'void *'
// pInterfaceGuid : GUID* -> 'void *'
// OpCode : WLAN_INTF_OPCODE -> 'int32_t'
// pReserved : void* optional -> 'void *'
// pdwDataSize : DWORD* out -> 'uint32_t *'
// ppData : void** out -> 'void *'
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("wlanapi.dll", {
WlanQueryInterface: { parameters: ["pointer", "pointer", "i32", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType)
// hClientHandle : HANDLE -> "pointer"
// pInterfaceGuid : GUID* -> "pointer"
// OpCode : WLAN_INTF_OPCODE -> "i32"
// pReserved : void* optional -> "pointer"
// pdwDataSize : DWORD* out -> "pointer"
// ppData : void** out -> "pointer"
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
uint32_t WlanQueryInterface(
void* hClientHandle,
void* pInterfaceGuid,
int32_t OpCode,
void* pReserved,
uint32_t* pdwDataSize,
void** ppData,
int32_t* pWlanOpcodeValueType);
C, "wlanapi.dll");
// $ffi->WlanQueryInterface(hClientHandle, pInterfaceGuid, OpCode, pReserved, pdwDataSize, ppData, pWlanOpcodeValueType);
// hClientHandle : HANDLE
// pInterfaceGuid : GUID*
// OpCode : WLAN_INTF_OPCODE
// pReserved : void* optional
// pdwDataSize : DWORD* out
// ppData : void** out
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Wlanapi extends StdCallLibrary {
Wlanapi INSTANCE = Native.load("wlanapi", Wlanapi.class);
int WlanQueryInterface(
Pointer hClientHandle, // HANDLE
Pointer pInterfaceGuid, // GUID*
int OpCode, // WLAN_INTF_OPCODE
Pointer pReserved, // void* optional
IntByReference pdwDataSize, // DWORD* out
Pointer ppData, // void** out
IntByReference pWlanOpcodeValueType // WLAN_OPCODE_VALUE_TYPE* optional, out
);
}@[Link("wlanapi")]
lib Libwlanapi
fun WlanQueryInterface = WlanQueryInterface(
hClientHandle : Void*, # HANDLE
pInterfaceGuid : GUID*, # GUID*
OpCode : Int32, # WLAN_INTF_OPCODE
pReserved : Void*, # void* optional
pdwDataSize : UInt32*, # DWORD* out
ppData : Void**, # void** out
pWlanOpcodeValueType : Int32* # WLAN_OPCODE_VALUE_TYPE* optional, out
) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WlanQueryInterfaceNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Int32, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Int32>);
typedef WlanQueryInterfaceDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Uint32>, Pointer<Void>, Pointer<Int32>);
final WlanQueryInterface = DynamicLibrary.open('wlanapi.dll')
.lookupFunction<WlanQueryInterfaceNative, WlanQueryInterfaceDart>('WlanQueryInterface');
// hClientHandle : HANDLE -> Pointer<Void>
// pInterfaceGuid : GUID* -> Pointer<Void>
// OpCode : WLAN_INTF_OPCODE -> Int32
// pReserved : void* optional -> Pointer<Void>
// pdwDataSize : DWORD* out -> Pointer<Uint32>
// ppData : void** out -> Pointer<Void>
// pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WlanQueryInterface(
hClientHandle: THandle; // HANDLE
pInterfaceGuid: PGUID; // GUID*
OpCode: Integer; // WLAN_INTF_OPCODE
pReserved: Pointer; // void* optional
pdwDataSize: Pointer; // DWORD* out
ppData: Pointer; // void** out
pWlanOpcodeValueType: Pointer // WLAN_OPCODE_VALUE_TYPE* optional, out
): DWORD; stdcall;
external 'wlanapi.dll' name 'WlanQueryInterface';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WlanQueryInterface"
c_WlanQueryInterface :: Ptr () -> Ptr () -> Int32 -> Ptr () -> Ptr Word32 -> Ptr () -> Ptr Int32 -> IO Word32
-- hClientHandle : HANDLE -> Ptr ()
-- pInterfaceGuid : GUID* -> Ptr ()
-- OpCode : WLAN_INTF_OPCODE -> Int32
-- pReserved : void* optional -> Ptr ()
-- pdwDataSize : DWORD* out -> Ptr Word32
-- ppData : void** out -> Ptr ()
-- pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> Ptr Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let wlanqueryinterface =
foreign "WlanQueryInterface"
((ptr void) @-> (ptr void) @-> int32_t @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr int32_t) @-> returning uint32_t)
(* hClientHandle : HANDLE -> (ptr void) *)
(* pInterfaceGuid : GUID* -> (ptr void) *)
(* OpCode : WLAN_INTF_OPCODE -> int32_t *)
(* pReserved : void* optional -> (ptr void) *)
(* pdwDataSize : DWORD* out -> (ptr uint32_t) *)
(* ppData : void** out -> (ptr void) *)
(* pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> (ptr int32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library wlanapi (t "wlanapi.dll"))
(cffi:use-foreign-library wlanapi)
(cffi:defcfun ("WlanQueryInterface" wlan-query-interface :convention :stdcall) :uint32
(h-client-handle :pointer) ; HANDLE
(p-interface-guid :pointer) ; GUID*
(op-code :int32) ; WLAN_INTF_OPCODE
(p-reserved :pointer) ; void* optional
(pdw-data-size :pointer) ; DWORD* out
(pp-data :pointer) ; void** out
(p-wlan-opcode-value-type :pointer)) ; WLAN_OPCODE_VALUE_TYPE* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $WlanQueryInterface = Win32::API::More->new('wlanapi',
'DWORD WlanQueryInterface(HANDLE hClientHandle, LPVOID pInterfaceGuid, int OpCode, LPVOID pReserved, LPVOID pdwDataSize, LPVOID ppData, LPVOID pWlanOpcodeValueType)');
# my $ret = $WlanQueryInterface->Call($hClientHandle, $pInterfaceGuid, $OpCode, $pReserved, $pdwDataSize, $ppData, $pWlanOpcodeValueType);
# hClientHandle : HANDLE -> HANDLE
# pInterfaceGuid : GUID* -> LPVOID
# OpCode : WLAN_INTF_OPCODE -> int
# pReserved : void* optional -> LPVOID
# pdwDataSize : DWORD* out -> LPVOID
# ppData : void** out -> LPVOID
# pWlanOpcodeValueType : WLAN_OPCODE_VALUE_TYPE* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
- s WLAN_AUTH_CIPHER_PAIR_LIST
- s WLAN_CONNECTION_ATTRIBUTES
- s WLAN_COUNTRY_OR_REGION_STRING_LIST
- s WLAN_RADIO_STATE
- s WLAN_STATISTICS
- f WlanFreeMemory — WLAN APIが返したメモリブロックを解放する。
- f WlanOpenHandle — WLAN APIへのクライアントハンドルを開いて接続する。
- f WlanSetInterface — 指定した無線LANインターフェイスのパラメーターを設定する。