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BluetoothFindFirstRadio

関数
最初のBluetoothラジオを検索しハンドルを取得する。
DLLBluetoothApis.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

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

HBLUETOOTH_RADIO_FIND BluetoothFindFirstRadio(
    const BLUETOOTH_FIND_RADIO_PARAMS* pbtfrp,
    HANDLE* phRadio
);

パラメーター

名前方向
pbtfrpBLUETOOTH_FIND_RADIO_PARAMS*in
phRadioHANDLE*out

戻り値の型: HBLUETOOTH_RADIO_FIND

各言語での呼び出し定義

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

HBLUETOOTH_RADIO_FIND BluetoothFindFirstRadio(
    const BLUETOOTH_FIND_RADIO_PARAMS* pbtfrp,
    HANDLE* phRadio
);
[DllImport("BluetoothApis.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr BluetoothFindFirstRadio(
    IntPtr pbtfrp,   // BLUETOOTH_FIND_RADIO_PARAMS*
    IntPtr phRadio   // HANDLE* out
);
<DllImport("BluetoothApis.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function BluetoothFindFirstRadio(
    pbtfrp As IntPtr,   ' BLUETOOTH_FIND_RADIO_PARAMS*
    phRadio As IntPtr   ' HANDLE* out
) As IntPtr
End Function
' pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS*
' phRadio : HANDLE* out
Declare PtrSafe Function BluetoothFindFirstRadio Lib "bluetoothapis" ( _
    ByVal pbtfrp As LongPtr, _
    ByVal phRadio As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

BluetoothFindFirstRadio = ctypes.windll.bluetoothapis.BluetoothFindFirstRadio
BluetoothFindFirstRadio.restype = ctypes.c_void_p
BluetoothFindFirstRadio.argtypes = [
    ctypes.c_void_p,  # pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS*
    ctypes.c_void_p,  # phRadio : HANDLE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('BluetoothApis.dll')
BluetoothFindFirstRadio = Fiddle::Function.new(
  lib['BluetoothFindFirstRadio'],
  [
    Fiddle::TYPE_VOIDP,  # pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS*
    Fiddle::TYPE_VOIDP,  # phRadio : HANDLE* out
  ],
  Fiddle::TYPE_VOIDP)
#[link(name = "bluetoothapis")]
extern "system" {
    fn BluetoothFindFirstRadio(
        pbtfrp: *const BLUETOOTH_FIND_RADIO_PARAMS,  // BLUETOOTH_FIND_RADIO_PARAMS*
        phRadio: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("BluetoothApis.dll", SetLastError = true)]
public static extern IntPtr BluetoothFindFirstRadio(IntPtr pbtfrp, IntPtr phRadio);
"@
$api = Add-Type -MemberDefinition $sig -Name 'BluetoothApis_BluetoothFindFirstRadio' -Namespace Win32 -PassThru
# $api::BluetoothFindFirstRadio(pbtfrp, phRadio)
#uselib "BluetoothApis.dll"
#func global BluetoothFindFirstRadio "BluetoothFindFirstRadio" sptr, sptr
; BluetoothFindFirstRadio varptr(pbtfrp), phRadio   ; 戻り値は stat
; pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS* -> "sptr"
; phRadio : 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 "BluetoothApis.dll"
#cfunc global BluetoothFindFirstRadio "BluetoothFindFirstRadio" var, sptr
; res = BluetoothFindFirstRadio(pbtfrp, phRadio)
; pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS* -> "var"
; phRadio : 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:
; HBLUETOOTH_RADIO_FIND BluetoothFindFirstRadio(BLUETOOTH_FIND_RADIO_PARAMS* pbtfrp, HANDLE* phRadio)
#uselib "BluetoothApis.dll"
#cfunc global BluetoothFindFirstRadio "BluetoothFindFirstRadio" var, intptr
; res = BluetoothFindFirstRadio(pbtfrp, phRadio)
; pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS* -> "var"
; phRadio : 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 (
	bluetoothapis = windows.NewLazySystemDLL("BluetoothApis.dll")
	procBluetoothFindFirstRadio = bluetoothapis.NewProc("BluetoothFindFirstRadio")
)

// pbtfrp (BLUETOOTH_FIND_RADIO_PARAMS*), phRadio (HANDLE* out)
r1, _, err := procBluetoothFindFirstRadio.Call(
	uintptr(pbtfrp),
	uintptr(phRadio),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HBLUETOOTH_RADIO_FIND
function BluetoothFindFirstRadio(
  pbtfrp: Pointer;   // BLUETOOTH_FIND_RADIO_PARAMS*
  phRadio: Pointer   // HANDLE* out
): THandle; stdcall;
  external 'BluetoothApis.dll' name 'BluetoothFindFirstRadio';
result := DllCall("BluetoothApis\BluetoothFindFirstRadio"
    , "Ptr", pbtfrp   ; BLUETOOTH_FIND_RADIO_PARAMS*
    , "Ptr", phRadio   ; HANDLE* out
    , "Ptr")   ; return: HBLUETOOTH_RADIO_FIND
●BluetoothFindFirstRadio(pbtfrp, phRadio) = DLL("BluetoothApis.dll", "void* BluetoothFindFirstRadio(void*, void*)")
# 呼び出し: BluetoothFindFirstRadio(pbtfrp, phRadio)
# pbtfrp : BLUETOOTH_FIND_RADIO_PARAMS* -> "void*"
# phRadio : 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)。