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BluetoothFindFirstDevice

関数

条件に合う最初のBluetoothデバイスを検索する。

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_DEVICE_FIND BluetoothFindFirstDevice(
    const BLUETOOTH_DEVICE_SEARCH_PARAMS* pbtsp,
    BLUETOOTH_DEVICE_INFO* pbtdi
);

パラメーター

名前	型	方向
pbtsp	BLUETOOTH_DEVICE_SEARCH_PARAMS*	in
pbtdi	BLUETOOTH_DEVICE_INFO*	inout

戻り値の型: HBLUETOOTH_DEVICE_FIND

各言語での呼び出し定義

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

HBLUETOOTH_DEVICE_FIND BluetoothFindFirstDevice(
    const BLUETOOTH_DEVICE_SEARCH_PARAMS* pbtsp,
    BLUETOOTH_DEVICE_INFO* pbtdi
);

[DllImport("BluetoothApis.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr BluetoothFindFirstDevice(
    IntPtr pbtsp,   // BLUETOOTH_DEVICE_SEARCH_PARAMS*
    IntPtr pbtdi   // BLUETOOTH_DEVICE_INFO* in/out
);

<DllImport("BluetoothApis.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function BluetoothFindFirstDevice(
    pbtsp As IntPtr,   ' BLUETOOTH_DEVICE_SEARCH_PARAMS*
    pbtdi As IntPtr   ' BLUETOOTH_DEVICE_INFO* in/out
) As IntPtr
End Function

' pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS*
' pbtdi : BLUETOOTH_DEVICE_INFO* in/out
Declare PtrSafe Function BluetoothFindFirstDevice Lib "bluetoothapis" ( _
    ByVal pbtsp As LongPtr, _
    ByVal pbtdi 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

BluetoothFindFirstDevice = ctypes.windll.bluetoothapis.BluetoothFindFirstDevice
BluetoothFindFirstDevice.restype = ctypes.c_void_p
BluetoothFindFirstDevice.argtypes = [
    ctypes.c_void_p,  # pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS*
    ctypes.c_void_p,  # pbtdi : BLUETOOTH_DEVICE_INFO* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('BluetoothApis.dll')
BluetoothFindFirstDevice = Fiddle::Function.new(
  lib['BluetoothFindFirstDevice'],
  [
    Fiddle::TYPE_VOIDP,  # pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS*
    Fiddle::TYPE_VOIDP,  # pbtdi : BLUETOOTH_DEVICE_INFO* in/out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "bluetoothapis")]
extern "system" {
    fn BluetoothFindFirstDevice(
        pbtsp: *const BLUETOOTH_DEVICE_SEARCH_PARAMS,  // BLUETOOTH_DEVICE_SEARCH_PARAMS*
        pbtdi: *mut BLUETOOTH_DEVICE_INFO  // BLUETOOTH_DEVICE_INFO* in/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 BluetoothFindFirstDevice(IntPtr pbtsp, IntPtr pbtdi);
"@
$api = Add-Type -MemberDefinition $sig -Name 'BluetoothApis_BluetoothFindFirstDevice' -Namespace Win32 -PassThru
# $api::BluetoothFindFirstDevice(pbtsp, pbtdi)

#uselib "BluetoothApis.dll"
#func global BluetoothFindFirstDevice "BluetoothFindFirstDevice" sptr, sptr
; BluetoothFindFirstDevice varptr(pbtsp), varptr(pbtdi)   ; 戻り値は stat
; pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS* -> "sptr"
; pbtdi : BLUETOOTH_DEVICE_INFO* 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 "BluetoothApis.dll"
#cfunc global BluetoothFindFirstDevice "BluetoothFindFirstDevice" var, var
; res = BluetoothFindFirstDevice(pbtsp, pbtdi)
; pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS* -> "var"
; pbtdi : BLUETOOTH_DEVICE_INFO* 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 "BluetoothApis.dll"
#cfunc global BluetoothFindFirstDevice "BluetoothFindFirstDevice" sptr, sptr
; res = BluetoothFindFirstDevice(varptr(pbtsp), varptr(pbtdi))
; pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS* -> "sptr"
; pbtdi : BLUETOOTH_DEVICE_INFO* 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:

; HBLUETOOTH_DEVICE_FIND BluetoothFindFirstDevice(BLUETOOTH_DEVICE_SEARCH_PARAMS* pbtsp, BLUETOOTH_DEVICE_INFO* pbtdi)
#uselib "BluetoothApis.dll"
#cfunc global BluetoothFindFirstDevice "BluetoothFindFirstDevice" var, var
; res = BluetoothFindFirstDevice(pbtsp, pbtdi)
; pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS* -> "var"
; pbtdi : BLUETOOTH_DEVICE_INFO* 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。; HBLUETOOTH_DEVICE_FIND BluetoothFindFirstDevice(BLUETOOTH_DEVICE_SEARCH_PARAMS* pbtsp, BLUETOOTH_DEVICE_INFO* pbtdi)
#uselib "BluetoothApis.dll"
#cfunc global BluetoothFindFirstDevice "BluetoothFindFirstDevice" intptr, intptr
; res = BluetoothFindFirstDevice(varptr(pbtsp), varptr(pbtdi))
; pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS* -> "intptr"
; pbtdi : BLUETOOTH_DEVICE_INFO* 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 (
	bluetoothapis = windows.NewLazySystemDLL("BluetoothApis.dll")
	procBluetoothFindFirstDevice = bluetoothapis.NewProc("BluetoothFindFirstDevice")
)

// pbtsp (BLUETOOTH_DEVICE_SEARCH_PARAMS*), pbtdi (BLUETOOTH_DEVICE_INFO* in/out)
r1, _, err := procBluetoothFindFirstDevice.Call(
	uintptr(pbtsp),
	uintptr(pbtdi),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HBLUETOOTH_DEVICE_FIND

function BluetoothFindFirstDevice(
  pbtsp: Pointer;   // BLUETOOTH_DEVICE_SEARCH_PARAMS*
  pbtdi: Pointer   // BLUETOOTH_DEVICE_INFO* in/out
): THandle; stdcall;
  external 'BluetoothApis.dll' name 'BluetoothFindFirstDevice';

result := DllCall("BluetoothApis\BluetoothFindFirstDevice"
    , "Ptr", pbtsp   ; BLUETOOTH_DEVICE_SEARCH_PARAMS*
    , "Ptr", pbtdi   ; BLUETOOTH_DEVICE_INFO* in/out
    , "Ptr")   ; return: HBLUETOOTH_DEVICE_FIND

●BluetoothFindFirstDevice(pbtsp, pbtdi) = DLL("BluetoothApis.dll", "void* BluetoothFindFirstDevice(void*, void*)")
# 呼び出し: BluetoothFindFirstDevice(pbtsp, pbtdi)
# pbtsp : BLUETOOTH_DEVICE_SEARCH_PARAMS* -> "void*"
# pbtdi : BLUETOOTH_DEVICE_INFO* 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)。