phoneSetVolume

// TAPI32.dll
#include <windows.h>

INT phoneSetVolume(
    DWORD hPhone,
    DWORD dwHookSwitchDev,
    DWORD dwVolume
);

<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function phoneSetVolume(
    hPhone As UInteger,   ' DWORD
    dwHookSwitchDev As UInteger,   ' DWORD
    dwVolume As UInteger   ' DWORD
) As Integer
End Function

' hPhone : DWORD
' dwHookSwitchDev : DWORD
' dwVolume : DWORD
Declare PtrSafe Function phoneSetVolume Lib "tapi32" ( _
    ByVal hPhone As Long, _
    ByVal dwHookSwitchDev As Long, _
    ByVal dwVolume 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

phoneSetVolume = ctypes.windll.tapi32.phoneSetVolume
phoneSetVolume.restype = ctypes.c_int
phoneSetVolume.argtypes = [
    wintypes.DWORD,  # hPhone : DWORD
    wintypes.DWORD,  # dwHookSwitchDev : DWORD
    wintypes.DWORD,  # dwVolume : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
phoneSetVolume = Fiddle::Function.new(
  lib['phoneSetVolume'],
  [
    -Fiddle::TYPE_INT,  # hPhone : DWORD
    -Fiddle::TYPE_INT,  # dwHookSwitchDev : DWORD
    -Fiddle::TYPE_INT,  # dwVolume : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn phoneSetVolume(
        hPhone: u32,  // DWORD
        dwHookSwitchDev: u32,  // DWORD
        dwVolume: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll")]
public static extern int phoneSetVolume(uint hPhone, uint dwHookSwitchDev, uint dwVolume);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_phoneSetVolume' -Namespace Win32 -PassThru
# $api::phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)

#uselib "TAPI32.dll"
#func global phoneSetVolume "phoneSetVolume" sptr, sptr, sptr
; phoneSetVolume hPhone, dwHookSwitchDev, dwVolume   ; 戻り値は stat
; hPhone : DWORD -> "sptr"
; dwHookSwitchDev : DWORD -> "sptr"
; dwVolume : DWORD -> "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 "TAPI32.dll"
#cfunc global phoneSetVolume "phoneSetVolume" int, int, int
; res = phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)
; hPhone : DWORD -> "int"
; dwHookSwitchDev : DWORD -> "int"
; dwVolume : DWORD -> "int"

; INT phoneSetVolume(DWORD hPhone, DWORD dwHookSwitchDev, DWORD dwVolume)
#uselib "TAPI32.dll"
#cfunc global phoneSetVolume "phoneSetVolume" int, int, int
; res = phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)
; hPhone : DWORD -> "int"
; dwHookSwitchDev : DWORD -> "int"
; dwVolume : DWORD -> "int"

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

var (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	procphoneSetVolume = tapi32.NewProc("phoneSetVolume")
)

// hPhone (DWORD), dwHookSwitchDev (DWORD), dwVolume (DWORD)
r1, _, err := procphoneSetVolume.Call(
	uintptr(hPhone),
	uintptr(dwHookSwitchDev),
	uintptr(dwVolume),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function phoneSetVolume(
  hPhone: DWORD;   // DWORD
  dwHookSwitchDev: DWORD;   // DWORD
  dwVolume: DWORD   // DWORD
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneSetVolume';

result := DllCall("TAPI32\phoneSetVolume"
    , "UInt", hPhone   ; DWORD
    , "UInt", dwHookSwitchDev   ; DWORD
    , "UInt", dwVolume   ; DWORD
    , "Int")   ; return: INT

●phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume) = DLL("TAPI32.dll", "int phoneSetVolume(dword, dword, dword)")
# 呼び出し: phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)
# hPhone : DWORD -> "dword"
# dwHookSwitchDev : DWORD -> "dword"
# dwVolume : DWORD -> "dword"
# 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 "tapi32" fn phoneSetVolume(
    hPhone: u32, // DWORD
    dwHookSwitchDev: u32, // DWORD
    dwVolume: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc phoneSetVolume(
    hPhone: uint32,  # DWORD
    dwHookSwitchDev: uint32,  # DWORD
    dwVolume: uint32  # DWORD
): int32 {.importc: "phoneSetVolume", stdcall, dynlib: "TAPI32.dll".}

pragma(lib, "tapi32");
extern(Windows)
int phoneSetVolume(
    uint hPhone,   // DWORD
    uint dwHookSwitchDev,   // DWORD
    uint dwVolume   // DWORD
);

ccall((:phoneSetVolume, "TAPI32.dll"), stdcall, Int32,
      (UInt32, UInt32, UInt32),
      hPhone, dwHookSwitchDev, dwVolume)
# hPhone : DWORD -> UInt32
# dwHookSwitchDev : DWORD -> UInt32
# dwVolume : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t phoneSetVolume(
    uint32_t hPhone,
    uint32_t dwHookSwitchDev,
    uint32_t dwVolume);
]]
local tapi32 = ffi.load("tapi32")
-- tapi32.phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)
-- hPhone : DWORD
-- dwHookSwitchDev : DWORD
-- dwVolume : DWORD
-- 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('TAPI32.dll');
const phoneSetVolume = lib.func('__stdcall', 'phoneSetVolume', 'int32_t', ['uint32_t', 'uint32_t', 'uint32_t']);
// phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)
// hPhone : DWORD -> 'uint32_t'
// dwHookSwitchDev : DWORD -> 'uint32_t'
// dwVolume : DWORD -> 'uint32_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("TAPI32.dll", {
  phoneSetVolume: { parameters: ["u32", "u32", "u32"], result: "i32" },
});
// lib.symbols.phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume)
// hPhone : DWORD -> "u32"
// dwHookSwitchDev : DWORD -> "u32"
// dwVolume : DWORD -> "u32"
// 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
int32_t phoneSetVolume(
    uint32_t hPhone,
    uint32_t dwHookSwitchDev,
    uint32_t dwVolume);
C, "TAPI32.dll");
// $ffi->phoneSetVolume(hPhone, dwHookSwitchDev, dwVolume);
// hPhone : DWORD
// dwHookSwitchDev : DWORD
// dwVolume : DWORD
// 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 Tapi32 extends StdCallLibrary {
    Tapi32 INSTANCE = Native.load("tapi32", Tapi32.class);
    int phoneSetVolume(
        int hPhone,   // DWORD
        int dwHookSwitchDev,   // DWORD
        int dwVolume   // DWORD
    );
}

@[Link("tapi32")]
lib LibTAPI32
  fun phoneSetVolume = phoneSetVolume(
    hPhone : UInt32,   # DWORD
    dwHookSwitchDev : UInt32,   # DWORD
    dwVolume : UInt32   # DWORD
  ) : Int32
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 phoneSetVolumeNative = Int32 Function(Uint32, Uint32, Uint32);
typedef phoneSetVolumeDart = int Function(int, int, int);
final phoneSetVolume = DynamicLibrary.open('TAPI32.dll')
    .lookupFunction<phoneSetVolumeNative, phoneSetVolumeDart>('phoneSetVolume');
// hPhone : DWORD -> Uint32
// dwHookSwitchDev : DWORD -> Uint32
// dwVolume : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function phoneSetVolume(
  hPhone: DWORD;   // DWORD
  dwHookSwitchDev: DWORD;   // DWORD
  dwVolume: DWORD   // DWORD
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneSetVolume';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "phoneSetVolume"
  c_phoneSetVolume :: Word32 -> Word32 -> Word32 -> IO Int32
-- hPhone : DWORD -> Word32
-- dwHookSwitchDev : DWORD -> Word32
-- dwVolume : DWORD -> Word32
-- 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 phonesetvolume =
  foreign "phoneSetVolume"
    (uint32_t @-> uint32_t @-> uint32_t @-> returning int32_t)
(* hPhone : DWORD -> uint32_t *)
(* dwHookSwitchDev : DWORD -> uint32_t *)
(* dwVolume : DWORD -> uint32_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 tapi32 (t "TAPI32.dll"))
(cffi:use-foreign-library tapi32)

(cffi:defcfun ("phoneSetVolume" phone-set-volume :convention :stdcall) :int32
  (h-phone :uint32)   ; DWORD
  (dw-hook-switch-dev :uint32)   ; DWORD
  (dw-volume :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $phoneSetVolume = Win32::API::More->new('TAPI32',
    'int phoneSetVolume(DWORD hPhone, DWORD dwHookSwitchDev, DWORD dwVolume)');
# my $ret = $phoneSetVolume->Call($hPhone, $dwHookSwitchDev, $dwVolume);
# hPhone : DWORD -> DWORD
# dwHookSwitchDev : DWORD -> DWORD
# dwVolume : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。