BluetoothEnableDiscovery

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

BOOL BluetoothEnableDiscovery(
    HANDLE hRadio,   // optional
    BOOL fEnabled
);

<DllImport("BluetoothApis.dll", ExactSpelling:=True)>
Public Shared Function BluetoothEnableDiscovery(
    hRadio As IntPtr,   ' HANDLE optional
    fEnabled As Boolean   ' BOOL
) As Boolean
End Function

' hRadio : HANDLE optional
' fEnabled : BOOL
Declare PtrSafe Function BluetoothEnableDiscovery Lib "bluetoothapis" ( _
    ByVal hRadio As LongPtr, _
    ByVal fEnabled As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

BluetoothEnableDiscovery = ctypes.windll.bluetoothapis.BluetoothEnableDiscovery
BluetoothEnableDiscovery.restype = wintypes.BOOL
BluetoothEnableDiscovery.argtypes = [
    wintypes.HANDLE,  # hRadio : HANDLE optional
    wintypes.BOOL,  # fEnabled : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('BluetoothApis.dll')
BluetoothEnableDiscovery = Fiddle::Function.new(
  lib['BluetoothEnableDiscovery'],
  [
    Fiddle::TYPE_VOIDP,  # hRadio : HANDLE optional
    Fiddle::TYPE_INT,  # fEnabled : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "bluetoothapis")]
extern "system" {
    fn BluetoothEnableDiscovery(
        hRadio: *mut core::ffi::c_void,  // HANDLE optional
        fEnabled: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("BluetoothApis.dll")]
public static extern bool BluetoothEnableDiscovery(IntPtr hRadio, bool fEnabled);
"@
$api = Add-Type -MemberDefinition $sig -Name 'BluetoothApis_BluetoothEnableDiscovery' -Namespace Win32 -PassThru
# $api::BluetoothEnableDiscovery(hRadio, fEnabled)

#uselib "BluetoothApis.dll"
#func global BluetoothEnableDiscovery "BluetoothEnableDiscovery" sptr, sptr
; BluetoothEnableDiscovery hRadio, fEnabled   ; 戻り値は stat
; hRadio : HANDLE optional -> "sptr"
; fEnabled : BOOL -> "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 "BluetoothApis.dll"
#cfunc global BluetoothEnableDiscovery "BluetoothEnableDiscovery" sptr, int
; res = BluetoothEnableDiscovery(hRadio, fEnabled)
; hRadio : HANDLE optional -> "sptr"
; fEnabled : BOOL -> "int"

; BOOL BluetoothEnableDiscovery(HANDLE hRadio, BOOL fEnabled)
#uselib "BluetoothApis.dll"
#cfunc global BluetoothEnableDiscovery "BluetoothEnableDiscovery" intptr, int
; res = BluetoothEnableDiscovery(hRadio, fEnabled)
; hRadio : HANDLE optional -> "intptr"
; fEnabled : BOOL -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	bluetoothapis = windows.NewLazySystemDLL("BluetoothApis.dll")
	procBluetoothEnableDiscovery = bluetoothapis.NewProc("BluetoothEnableDiscovery")
)

// hRadio (HANDLE optional), fEnabled (BOOL)
r1, _, err := procBluetoothEnableDiscovery.Call(
	uintptr(hRadio),
	uintptr(fEnabled),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function BluetoothEnableDiscovery(
  hRadio: THandle;   // HANDLE optional
  fEnabled: BOOL   // BOOL
): BOOL; stdcall;
  external 'BluetoothApis.dll' name 'BluetoothEnableDiscovery';

result := DllCall("BluetoothApis\BluetoothEnableDiscovery"
    , "Ptr", hRadio   ; HANDLE optional
    , "Int", fEnabled   ; BOOL
    , "Int")   ; return: BOOL

●BluetoothEnableDiscovery(hRadio, fEnabled) = DLL("BluetoothApis.dll", "bool BluetoothEnableDiscovery(void*, bool)")
# 呼び出し: BluetoothEnableDiscovery(hRadio, fEnabled)
# hRadio : HANDLE optional -> "void*"
# fEnabled : BOOL -> "bool"
# 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)。