Win32 API 日本語リファレンス
ホーム › NetworkManagement.WiFi › WlanQueryInterface

WlanQueryInterface

関数
指定した無線LANインターフェイスのパラメーターを問い合わせる。
DLLwlanapi.dll呼出規約winapi対応OSWindows Vista 以降

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
hClientHandleHANDLEin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。
pInterfaceGuidGUID*in照会対象のインターフェイスの GUID です。
OpCodeWLAN_INTF_OPCODEin

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。

WLAN_INTF_OPCODE ppData のデータ型
wlan_intf_opcode_autoconf_enabled BOOL
wlan_intf_opcode_background_scan_enabled BOOL
wlan_intf_opcode_bss_type DOT11_BSS_TYPE
wlan_intf_opcode_certified_safe_mode BOOL
wlan_intf_opcode_channel_number ULONG
wlan_intf_opcode_current_connection WLAN_CONNECTION_ATTRIBUTES
wlan_intf_opcode_current_operation_mode ULONG
wlan_intf_opcode_hosted_network_capable BOOL
wlan_intf_opcode_interface_state WLAN_INTERFACE_STATE
wlan_intf_opcode_management_frame_protection_capable BOOL
wlan_intf_opcode_media_streaming_mode BOOL
wlan_intf_opcode_qos_info WLAN_QOS_INFO
wlan_intf_opcode_radio_state WLAN_RADIO_STATE
wlan_intf_opcode_realtime_connection_quality WLAN_REALTIME_CONNECTION_QUALITY
wlan_intf_opcode_rssi LONG
wlan_intf_opcode_secondary_sta_interfaces WLAN_INTERFACE_INFO_LIST
wlan_intf_opcode_secondary_sta_synchronized_connections BOOL
wlan_intf_opcode_statistics WLAN_STATISTICS
wlan_intf_opcode_supported_adhoc_auth_cipher_pairs WLAN_AUTH_CIPHER_PAIR_LIST
wlan_intf_opcode_supported_country_or_region_string_list WLAN_COUNTRY_OR_REGION_STRING_LIST
wlan_intf_opcode_supported_infrastructure_auth_cipher_pairs WLAN_AUTH_CIPHER_PAIR_LIST
wlan_intf_opcode_supported_safe_mode BOOL

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。

pReservedvoid*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。
pdwDataSizeDWORD*outppData パラメーターのサイズ (バイト単位) です。
ppDatavoid**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。
pWlanOpcodeValueTypeWLAN_OPCODE_VALUE_TYPE*outoptionalNULL 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。

メモ この例は、Wireless LAN Service がインストールされ開始されていない場合、Windows Server 2008 および Windows Server 2008 R2 では読み込みに失敗します。
#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;
}
出典・ライセンス: 上記「公式ドキュメント」の内容は Microsoft の Win32 API ドキュメント(MicrosoftDocs/sdk-api)を日本語に翻訳・改変したものです。© Microsoft Corporation. CC BY 4.0 で提供。
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。
出力引数:
#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。
出力引数:
; 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。
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   // DWORD
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';
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

公式の関連項目
使用する型