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phoneInitializeExW

関数
拡張パラメータ付きで電話TAPIを初期化する関数のUnicode版。
DLLTAPI32.dll文字セットUnicode (-W)呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

// TAPI32.dll  (Unicode / -W)
#include <windows.h>

INT phoneInitializeExW(
    DWORD* lphPhoneApp,
    HINSTANCE hInstance,
    PHONECALLBACK lpfnCallback,
    LPCWSTR lpszFriendlyAppName,
    DWORD* lpdwNumDevs,
    DWORD* lpdwAPIVersion,
    PHONEINITIALIZEEXPARAMS* lpPhoneInitializeExParams
);

パラメーター

名前型方向説明
lphPhoneAppDWORD*inout取得したアプリケーション使用ハンドルを格納する出力先ポインタ。
hInstanceHINSTANCEin呼び出し元アプリケーションまたはモジュールのインスタンスハンドル。
lpfnCallbackPHONECALLBACKin通知方式がコールバック時に呼ばれるイベント受信関数へのポインタ。
lpszFriendlyAppNameLPCWSTRinユーザに表示するアプリケーション名を示すUnicode文字列。NULL可。
lpdwNumDevsDWORD*inoutシステム上で利用可能な電話デバイス数を受け取る出力先ポインタ。
lpdwAPIVersionDWORD*inout入力でアプリが対応する最高APIバージョン、出力でネゴシエート結果を返すポインタ。
lpPhoneInitializeExParamsPHONEINITIALIZEEXPARAMS*inout通知方式(イベントハンドル等)を指定するPHONEINITIALIZEEXPARAMS構造体へのポインタ。

戻り値の型: INT

各言語での呼び出し定義

// TAPI32.dll  (Unicode / -W)
#include <windows.h>

INT phoneInitializeExW(
    DWORD* lphPhoneApp,
    HINSTANCE hInstance,
    PHONECALLBACK lpfnCallback,
    LPCWSTR lpszFriendlyAppName,
    DWORD* lpdwNumDevs,
    DWORD* lpdwAPIVersion,
    PHONEINITIALIZEEXPARAMS* lpPhoneInitializeExParams
);
[DllImport("TAPI32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int phoneInitializeExW(
    ref uint lphPhoneApp,   // DWORD* in/out
    IntPtr hInstance,   // HINSTANCE
    IntPtr lpfnCallback,   // PHONECALLBACK
    [MarshalAs(UnmanagedType.LPWStr)] string lpszFriendlyAppName,   // LPCWSTR
    ref uint lpdwNumDevs,   // DWORD* in/out
    ref uint lpdwAPIVersion,   // DWORD* in/out
    IntPtr lpPhoneInitializeExParams   // PHONEINITIALIZEEXPARAMS* in/out
);
<DllImport("TAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function phoneInitializeExW(
    ByRef lphPhoneApp As UInteger,   ' DWORD* in/out
    hInstance As IntPtr,   ' HINSTANCE
    lpfnCallback As IntPtr,   ' PHONECALLBACK
    <MarshalAs(UnmanagedType.LPWStr)> lpszFriendlyAppName As String,   ' LPCWSTR
    ByRef lpdwNumDevs As UInteger,   ' DWORD* in/out
    ByRef lpdwAPIVersion As UInteger,   ' DWORD* in/out
    lpPhoneInitializeExParams As IntPtr   ' PHONEINITIALIZEEXPARAMS* in/out
) As Integer
End Function
' lphPhoneApp : DWORD* in/out
' hInstance : HINSTANCE
' lpfnCallback : PHONECALLBACK
' lpszFriendlyAppName : LPCWSTR
' lpdwNumDevs : DWORD* in/out
' lpdwAPIVersion : DWORD* in/out
' lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out
Declare PtrSafe Function phoneInitializeExW Lib "tapi32" ( _
    ByRef lphPhoneApp As Long, _
    ByVal hInstance As LongPtr, _
    ByVal lpfnCallback As LongPtr, _
    ByVal lpszFriendlyAppName As LongPtr, _
    ByRef lpdwNumDevs As Long, _
    ByRef lpdwAPIVersion As Long, _
    ByVal lpPhoneInitializeExParams As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

phoneInitializeExW = ctypes.windll.tapi32.phoneInitializeExW
phoneInitializeExW.restype = ctypes.c_int
phoneInitializeExW.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # lphPhoneApp : DWORD* in/out
    wintypes.HANDLE,  # hInstance : HINSTANCE
    ctypes.c_void_p,  # lpfnCallback : PHONECALLBACK
    wintypes.LPCWSTR,  # lpszFriendlyAppName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # lpdwNumDevs : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # lpdwAPIVersion : DWORD* in/out
    ctypes.c_void_p,  # lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
phoneInitializeExW = Fiddle::Function.new(
  lib['phoneInitializeExW'],
  [
    Fiddle::TYPE_VOIDP,  # lphPhoneApp : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # hInstance : HINSTANCE
    Fiddle::TYPE_VOIDP,  # lpfnCallback : PHONECALLBACK
    Fiddle::TYPE_VOIDP,  # lpszFriendlyAppName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpdwNumDevs : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpdwAPIVersion : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"
#[link(name = "tapi32")]
extern "system" {
    fn phoneInitializeExW(
        lphPhoneApp: *mut u32,  // DWORD* in/out
        hInstance: *mut core::ffi::c_void,  // HINSTANCE
        lpfnCallback: *const core::ffi::c_void,  // PHONECALLBACK
        lpszFriendlyAppName: *const u16,  // LPCWSTR
        lpdwNumDevs: *mut u32,  // DWORD* in/out
        lpdwAPIVersion: *mut u32,  // DWORD* in/out
        lpPhoneInitializeExParams: *mut PHONEINITIALIZEEXPARAMS  // PHONEINITIALIZEEXPARAMS* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Unicode)]
public static extern int phoneInitializeExW(ref uint lphPhoneApp, IntPtr hInstance, IntPtr lpfnCallback, [MarshalAs(UnmanagedType.LPWStr)] string lpszFriendlyAppName, ref uint lpdwNumDevs, ref uint lpdwAPIVersion, IntPtr lpPhoneInitializeExParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_phoneInitializeExW' -Namespace Win32 -PassThru
# $api::phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
#uselib "TAPI32.dll"
#func global phoneInitializeExW "phoneInitializeExW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; phoneInitializeExW varptr(lphPhoneApp), hInstance, lpfnCallback, lpszFriendlyAppName, varptr(lpdwNumDevs), varptr(lpdwAPIVersion), varptr(lpPhoneInitializeExParams)   ; 戻り値は stat
; lphPhoneApp : DWORD* in/out -> "wptr"
; hInstance : HINSTANCE -> "wptr"
; lpfnCallback : PHONECALLBACK -> "wptr"
; lpszFriendlyAppName : LPCWSTR -> "wptr"
; lpdwNumDevs : DWORD* in/out -> "wptr"
; lpdwAPIVersion : DWORD* in/out -> "wptr"
; lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> "wptr"
; ※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 "TAPI32.dll"
#cfunc global phoneInitializeExW "phoneInitializeExW" var, sptr, sptr, wstr, var, var, var
; res = phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
; lphPhoneApp : DWORD* in/out -> "var"
; hInstance : HINSTANCE -> "sptr"
; lpfnCallback : PHONECALLBACK -> "sptr"
; lpszFriendlyAppName : LPCWSTR -> "wstr"
; lpdwNumDevs : DWORD* in/out -> "var"
; lpdwAPIVersion : DWORD* in/out -> "var"
; lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* 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。
出力引数: 
; INT phoneInitializeExW(DWORD* lphPhoneApp, HINSTANCE hInstance, PHONECALLBACK lpfnCallback, LPCWSTR lpszFriendlyAppName, DWORD* lpdwNumDevs, DWORD* lpdwAPIVersion, PHONEINITIALIZEEXPARAMS* lpPhoneInitializeExParams)
#uselib "TAPI32.dll"
#cfunc global phoneInitializeExW "phoneInitializeExW" var, intptr, intptr, wstr, var, var, var
; res = phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
; lphPhoneApp : DWORD* in/out -> "var"
; hInstance : HINSTANCE -> "intptr"
; lpfnCallback : PHONECALLBACK -> "intptr"
; lpszFriendlyAppName : LPCWSTR -> "wstr"
; lpdwNumDevs : DWORD* in/out -> "var"
; lpdwAPIVersion : DWORD* in/out -> "var"
; lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	procphoneInitializeExW = tapi32.NewProc("phoneInitializeExW")
)

// lphPhoneApp (DWORD* in/out), hInstance (HINSTANCE), lpfnCallback (PHONECALLBACK), lpszFriendlyAppName (LPCWSTR), lpdwNumDevs (DWORD* in/out), lpdwAPIVersion (DWORD* in/out), lpPhoneInitializeExParams (PHONEINITIALIZEEXPARAMS* in/out)
r1, _, err := procphoneInitializeExW.Call(
	uintptr(lphPhoneApp),
	uintptr(hInstance),
	uintptr(lpfnCallback),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszFriendlyAppName))),
	uintptr(lpdwNumDevs),
	uintptr(lpdwAPIVersion),
	uintptr(lpPhoneInitializeExParams),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function phoneInitializeExW(
  lphPhoneApp: Pointer;   // DWORD* in/out
  hInstance: THandle;   // HINSTANCE
  lpfnCallback: Pointer;   // PHONECALLBACK
  lpszFriendlyAppName: PWideChar;   // LPCWSTR
  lpdwNumDevs: Pointer;   // DWORD* in/out
  lpdwAPIVersion: Pointer;   // DWORD* in/out
  lpPhoneInitializeExParams: Pointer   // PHONEINITIALIZEEXPARAMS* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneInitializeExW';
result := DllCall("TAPI32\phoneInitializeExW"
    , "Ptr", lphPhoneApp   ; DWORD* in/out
    , "Ptr", hInstance   ; HINSTANCE
    , "Ptr", lpfnCallback   ; PHONECALLBACK
    , "WStr", lpszFriendlyAppName   ; LPCWSTR
    , "Ptr", lpdwNumDevs   ; DWORD* in/out
    , "Ptr", lpdwAPIVersion   ; DWORD* in/out
    , "Ptr", lpPhoneInitializeExParams   ; PHONEINITIALIZEEXPARAMS* in/out
    , "Int")   ; return: INT
●phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams) = DLL("TAPI32.dll", "int phoneInitializeExW(void*, void*, void*, char*, void*, void*, void*)")
# 呼び出し: phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
# lphPhoneApp : DWORD* in/out -> "void*"
# hInstance : HINSTANCE -> "void*"
# lpfnCallback : PHONECALLBACK -> "void*"
# lpszFriendlyAppName : LPCWSTR -> "char*"
# lpdwNumDevs : DWORD* in/out -> "void*"
# lpdwAPIVersion : DWORD* in/out -> "void*"
# lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。
const std = @import("std");

extern "tapi32" fn phoneInitializeExW(
    lphPhoneApp: [*c]u32, // DWORD* in/out
    hInstance: ?*anyopaque, // HINSTANCE
    lpfnCallback: ?*anyopaque, // PHONECALLBACK
    lpszFriendlyAppName: [*c]const u16, // LPCWSTR
    lpdwNumDevs: [*c]u32, // DWORD* in/out
    lpdwAPIVersion: [*c]u32, // DWORD* in/out
    lpPhoneInitializeExParams: [*c]PHONEINITIALIZEEXPARAMS // PHONEINITIALIZEEXPARAMS* in/out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。
proc phoneInitializeExW(
    lphPhoneApp: ptr uint32,  # DWORD* in/out
    hInstance: pointer,  # HINSTANCE
    lpfnCallback: pointer,  # PHONECALLBACK
    lpszFriendlyAppName: WideCString,  # LPCWSTR
    lpdwNumDevs: ptr uint32,  # DWORD* in/out
    lpdwAPIVersion: ptr uint32,  # DWORD* in/out
    lpPhoneInitializeExParams: ptr PHONEINITIALIZEEXPARAMS  # PHONEINITIALIZEEXPARAMS* in/out
): int32 {.importc: "phoneInitializeExW", stdcall, dynlib: "TAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。
pragma(lib, "tapi32");
extern(Windows)
int phoneInitializeExW(
    uint* lphPhoneApp,   // DWORD* in/out
    void* hInstance,   // HINSTANCE
    void* lpfnCallback,   // PHONECALLBACK
    const(wchar)* lpszFriendlyAppName,   // LPCWSTR
    uint* lpdwNumDevs,   // DWORD* in/out
    uint* lpdwAPIVersion,   // DWORD* in/out
    PHONEINITIALIZEEXPARAMS* lpPhoneInitializeExParams   // PHONEINITIALIZEEXPARAMS* in/out
);
ccall((:phoneInitializeExW, "TAPI32.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{Cvoid}, Ptr{Cvoid}, Cwstring, Ptr{UInt32}, Ptr{UInt32}, Ptr{PHONEINITIALIZEEXPARAMS}),
      lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
# lphPhoneApp : DWORD* in/out -> Ptr{UInt32}
# hInstance : HINSTANCE -> Ptr{Cvoid}
# lpfnCallback : PHONECALLBACK -> Ptr{Cvoid}
# lpszFriendlyAppName : LPCWSTR -> Cwstring
# lpdwNumDevs : DWORD* in/out -> Ptr{UInt32}
# lpdwAPIVersion : DWORD* in/out -> Ptr{UInt32}
# lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> Ptr{PHONEINITIALIZEEXPARAMS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。
local ffi = require("ffi")
ffi.cdef[[
int32_t phoneInitializeExW(
    uint32_t* lphPhoneApp,
    void* hInstance,
    void* lpfnCallback,
    const uint16_t* lpszFriendlyAppName,
    uint32_t* lpdwNumDevs,
    uint32_t* lpdwAPIVersion,
    void* lpPhoneInitializeExParams);
]]
local tapi32 = ffi.load("tapi32")
-- tapi32.phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
-- lphPhoneApp : DWORD* in/out
-- hInstance : HINSTANCE
-- lpfnCallback : PHONECALLBACK
-- lpszFriendlyAppName : LPCWSTR
-- lpdwNumDevs : DWORD* in/out
-- lpdwAPIVersion : DWORD* in/out
-- lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。
const koffi = require('koffi');
const lib = koffi.load('TAPI32.dll');
const phoneInitializeExW = lib.func('__stdcall', 'phoneInitializeExW', 'int32_t', ['uint32_t *', 'void *', 'void *', 'str16', 'uint32_t *', 'uint32_t *', 'void *']);
// phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
// lphPhoneApp : DWORD* in/out -> 'uint32_t *'
// hInstance : HINSTANCE -> 'void *'
// lpfnCallback : PHONECALLBACK -> 'void *'
// lpszFriendlyAppName : LPCWSTR -> 'str16'
// lpdwNumDevs : DWORD* in/out -> 'uint32_t *'
// lpdwAPIVersion : DWORD* in/out -> 'uint32_t *'
// lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。
const lib = Deno.dlopen("TAPI32.dll", {
  phoneInitializeExW: { parameters: ["pointer", "pointer", "pointer", "buffer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams)
// lphPhoneApp : DWORD* in/out -> "pointer"
// hInstance : HINSTANCE -> "pointer"
// lpfnCallback : PHONECALLBACK -> "pointer"
// lpszFriendlyAppName : LPCWSTR -> "buffer"
// lpdwNumDevs : DWORD* in/out -> "pointer"
// lpdwAPIVersion : DWORD* in/out -> "pointer"
// lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 phoneInitializeExW(
    uint32_t* lphPhoneApp,
    void* hInstance,
    void* lpfnCallback,
    const uint16_t* lpszFriendlyAppName,
    uint32_t* lpdwNumDevs,
    uint32_t* lpdwAPIVersion,
    void* lpPhoneInitializeExParams);
C, "TAPI32.dll");
// $ffi->phoneInitializeExW(lphPhoneApp, hInstance, lpfnCallback, lpszFriendlyAppName, lpdwNumDevs, lpdwAPIVersion, lpPhoneInitializeExParams);
// lphPhoneApp : DWORD* in/out
// hInstance : HINSTANCE
// lpfnCallback : PHONECALLBACK
// lpszFriendlyAppName : LPCWSTR
// lpdwNumDevs : DWORD* in/out
// lpdwAPIVersion : DWORD* in/out
// lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out
// 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, W32APIOptions.UNICODE_OPTIONS);
    int phoneInitializeExW(
        IntByReference lphPhoneApp,   // DWORD* in/out
        Pointer hInstance,   // HINSTANCE
        Callback lpfnCallback,   // PHONECALLBACK
        WString lpszFriendlyAppName,   // LPCWSTR
        IntByReference lpdwNumDevs,   // DWORD* in/out
        IntByReference lpdwAPIVersion,   // DWORD* in/out
        Pointer lpPhoneInitializeExParams   // PHONEINITIALIZEEXPARAMS* in/out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。
@[Link("tapi32")]
lib LibTAPI32
  fun phoneInitializeExW = phoneInitializeExW(
    lphPhoneApp : UInt32*,   # DWORD* in/out
    hInstance : Void*,   # HINSTANCE
    lpfnCallback : Void*,   # PHONECALLBACK
    lpszFriendlyAppName : UInt16*,   # LPCWSTR
    lpdwNumDevs : UInt32*,   # DWORD* in/out
    lpdwAPIVersion : UInt32*,   # DWORD* in/out
    lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS*   # PHONEINITIALIZEEXPARAMS* in/out
  ) : 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 phoneInitializeExWNative = Int32 Function(Pointer<Uint32>, Pointer<Void>, Pointer<Void>, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>);
typedef phoneInitializeExWDart = int Function(Pointer<Uint32>, Pointer<Void>, Pointer<Void>, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>);
final phoneInitializeExW = DynamicLibrary.open('TAPI32.dll')
    .lookupFunction<phoneInitializeExWNative, phoneInitializeExWDart>('phoneInitializeExW');
// lphPhoneApp : DWORD* in/out -> Pointer<Uint32>
// hInstance : HINSTANCE -> Pointer<Void>
// lpfnCallback : PHONECALLBACK -> Pointer<Void>
// lpszFriendlyAppName : LPCWSTR -> Pointer<Utf16>
// lpdwNumDevs : DWORD* in/out -> Pointer<Uint32>
// lpdwAPIVersion : DWORD* in/out -> Pointer<Uint32>
// lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function phoneInitializeExW(
  lphPhoneApp: Pointer;   // DWORD* in/out
  hInstance: THandle;   // HINSTANCE
  lpfnCallback: Pointer;   // PHONECALLBACK
  lpszFriendlyAppName: PWideChar;   // LPCWSTR
  lpdwNumDevs: Pointer;   // DWORD* in/out
  lpdwAPIVersion: Pointer;   // DWORD* in/out
  lpPhoneInitializeExParams: Pointer   // PHONEINITIALIZEEXPARAMS* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneInitializeExW';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "phoneInitializeExW"
  c_phoneInitializeExW :: Ptr Word32 -> Ptr () -> Ptr () -> CWString -> Ptr Word32 -> Ptr Word32 -> Ptr () -> IO Int32
-- lphPhoneApp : DWORD* in/out -> Ptr Word32
-- hInstance : HINSTANCE -> Ptr ()
-- lpfnCallback : PHONECALLBACK -> Ptr ()
-- lpszFriendlyAppName : LPCWSTR -> CWString
-- lpdwNumDevs : DWORD* in/out -> Ptr Word32
-- lpdwAPIVersion : DWORD* in/out -> Ptr Word32
-- lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> Ptr ()
-- 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 phoneinitializeexw =
  foreign "phoneInitializeExW"
    ((ptr uint32_t) @-> (ptr void) @-> (ptr void) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* lphPhoneApp : DWORD* in/out -> (ptr uint32_t) *)
(* hInstance : HINSTANCE -> (ptr void) *)
(* lpfnCallback : PHONECALLBACK -> (ptr void) *)
(* lpszFriendlyAppName : LPCWSTR -> (ptr uint16_t) *)
(* lpdwNumDevs : DWORD* in/out -> (ptr uint32_t) *)
(* lpdwAPIVersion : DWORD* in/out -> (ptr uint32_t) *)
(* lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> (ptr void) *)
(* 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 ("phoneInitializeExW" phone-initialize-ex-w :convention :stdcall) :int32
  (lph-phone-app :pointer)   ; DWORD* in/out
  (h-instance :pointer)   ; HINSTANCE
  (lpfn-callback :pointer)   ; PHONECALLBACK
  (lpsz-friendly-app-name (:string :encoding :utf-16le))   ; LPCWSTR
  (lpdw-num-devs :pointer)   ; DWORD* in/out
  (lpdw-apiversion :pointer)   ; DWORD* in/out
  (lp-phone-initialize-ex-params :pointer))   ; PHONEINITIALIZEEXPARAMS* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $phoneInitializeExW = Win32::API::More->new('TAPI32',
    'int phoneInitializeExW(LPVOID lphPhoneApp, HANDLE hInstance, LPVOID lpfnCallback, LPCWSTR lpszFriendlyAppName, LPVOID lpdwNumDevs, LPVOID lpdwAPIVersion, LPVOID lpPhoneInitializeExParams)');
# my $ret = $phoneInitializeExW->Call($lphPhoneApp, $hInstance, $lpfnCallback, $lpszFriendlyAppName, $lpdwNumDevs, $lpdwAPIVersion, $lpPhoneInitializeExParams);
# lphPhoneApp : DWORD* in/out -> LPVOID
# hInstance : HINSTANCE -> HANDLE
# lpfnCallback : PHONECALLBACK -> LPVOID
# lpszFriendlyAppName : LPCWSTR -> LPCWSTR
# lpdwNumDevs : DWORD* in/out -> LPVOID
# lpdwAPIVersion : DWORD* in/out -> LPVOID
# lpPhoneInitializeExParams : PHONEINITIALIZEEXPARAMS* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。

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