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

WFDOpenHandle

関数
Wi-Fi Direct APIへのクライアントハンドルを開く。
DLLwlanapi.dll呼出規約winapi対応OSwindows8.0

シグネチャ

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

DWORD WFDOpenHandle(
    DWORD dwClientVersion,
    DWORD* pdwNegotiatedVersion,
    HANDLE* phClientHandle
);

パラメーター

名前方向
dwClientVersionDWORDin
pdwNegotiatedVersionDWORD*out
phClientHandleHANDLE*out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD WFDOpenHandle(
    DWORD dwClientVersion,
    DWORD* pdwNegotiatedVersion,
    HANDLE* phClientHandle
);
[DllImport("wlanapi.dll", ExactSpelling = true)]
static extern uint WFDOpenHandle(
    uint dwClientVersion,   // DWORD
    out uint pdwNegotiatedVersion,   // DWORD* out
    IntPtr phClientHandle   // HANDLE* out
);
<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WFDOpenHandle(
    dwClientVersion As UInteger,   ' DWORD
    <Out> ByRef pdwNegotiatedVersion As UInteger,   ' DWORD* out
    phClientHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function
' dwClientVersion : DWORD
' pdwNegotiatedVersion : DWORD* out
' phClientHandle : HANDLE* out
Declare PtrSafe Function WFDOpenHandle Lib "wlanapi" ( _
    ByVal dwClientVersion As Long, _
    ByRef pdwNegotiatedVersion As Long, _
    ByVal phClientHandle 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

WFDOpenHandle = ctypes.windll.wlanapi.WFDOpenHandle
WFDOpenHandle.restype = wintypes.DWORD
WFDOpenHandle.argtypes = [
    wintypes.DWORD,  # dwClientVersion : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwNegotiatedVersion : DWORD* out
    ctypes.c_void_p,  # phClientHandle : HANDLE* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WFDOpenHandle = Fiddle::Function.new(
  lib['WFDOpenHandle'],
  [
    -Fiddle::TYPE_INT,  # dwClientVersion : DWORD
    Fiddle::TYPE_VOIDP,  # pdwNegotiatedVersion : DWORD* out
    Fiddle::TYPE_VOIDP,  # phClientHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "wlanapi")]
extern "system" {
    fn WFDOpenHandle(
        dwClientVersion: u32,  // DWORD
        pdwNegotiatedVersion: *mut u32,  // DWORD* out
        phClientHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WFDOpenHandle(uint dwClientVersion, out uint pdwNegotiatedVersion, IntPtr phClientHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WFDOpenHandle' -Namespace Win32 -PassThru
# $api::WFDOpenHandle(dwClientVersion, pdwNegotiatedVersion, phClientHandle)
#uselib "wlanapi.dll"
#func global WFDOpenHandle "WFDOpenHandle" sptr, sptr, sptr
; WFDOpenHandle dwClientVersion, varptr(pdwNegotiatedVersion), phClientHandle   ; 戻り値は stat
; dwClientVersion : DWORD -> "sptr"
; pdwNegotiatedVersion : DWORD* out -> "sptr"
; phClientHandle : HANDLE* 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 WFDOpenHandle "WFDOpenHandle" int, var, sptr
; res = WFDOpenHandle(dwClientVersion, pdwNegotiatedVersion, phClientHandle)
; dwClientVersion : DWORD -> "int"
; pdwNegotiatedVersion : DWORD* out -> "var"
; phClientHandle : HANDLE* out -> "sptr"
; ※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 WFDOpenHandle(DWORD dwClientVersion, DWORD* pdwNegotiatedVersion, HANDLE* phClientHandle)
#uselib "wlanapi.dll"
#cfunc global WFDOpenHandle "WFDOpenHandle" int, var, intptr
; res = WFDOpenHandle(dwClientVersion, pdwNegotiatedVersion, phClientHandle)
; dwClientVersion : DWORD -> "int"
; pdwNegotiatedVersion : DWORD* out -> "var"
; phClientHandle : HANDLE* out -> "intptr"
; ※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")
	procWFDOpenHandle = wlanapi.NewProc("WFDOpenHandle")
)

// dwClientVersion (DWORD), pdwNegotiatedVersion (DWORD* out), phClientHandle (HANDLE* out)
r1, _, err := procWFDOpenHandle.Call(
	uintptr(dwClientVersion),
	uintptr(pdwNegotiatedVersion),
	uintptr(phClientHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function WFDOpenHandle(
  dwClientVersion: DWORD;   // DWORD
  pdwNegotiatedVersion: Pointer;   // DWORD* out
  phClientHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WFDOpenHandle';
result := DllCall("wlanapi\WFDOpenHandle"
    , "UInt", dwClientVersion   ; DWORD
    , "Ptr", pdwNegotiatedVersion   ; DWORD* out
    , "Ptr", phClientHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD
●WFDOpenHandle(dwClientVersion, pdwNegotiatedVersion, phClientHandle) = DLL("wlanapi.dll", "dword WFDOpenHandle(dword, void*, void*)")
# 呼び出し: WFDOpenHandle(dwClientVersion, pdwNegotiatedVersion, phClientHandle)
# dwClientVersion : DWORD -> "dword"
# pdwNegotiatedVersion : DWORD* out -> "void*"
# phClientHandle : HANDLE* 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)。