PlaySoundW

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

BOOL PlaySoundW(
    LPCWSTR pszSound,   // optional
    HMODULE hmod,   // optional
    SND_FLAGS fdwSound
);

<DllImport("WINMM.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function PlaySoundW(
    <MarshalAs(UnmanagedType.LPWStr)> pszSound As String,   ' LPCWSTR optional
    hmod As IntPtr,   ' HMODULE optional
    fdwSound As UInteger   ' SND_FLAGS
) As Boolean
End Function

' pszSound : LPCWSTR optional
' hmod : HMODULE optional
' fdwSound : SND_FLAGS
Declare PtrSafe Function PlaySoundW Lib "winmm" ( _
    ByVal pszSound As LongPtr, _
    ByVal hmod As LongPtr, _
    ByVal fdwSound As Long) 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

PlaySoundW = ctypes.windll.winmm.PlaySoundW
PlaySoundW.restype = wintypes.BOOL
PlaySoundW.argtypes = [
    wintypes.LPCWSTR,  # pszSound : LPCWSTR optional
    wintypes.HANDLE,  # hmod : HMODULE optional
    wintypes.DWORD,  # fdwSound : SND_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
PlaySoundW = Fiddle::Function.new(
  lib['PlaySoundW'],
  [
    Fiddle::TYPE_VOIDP,  # pszSound : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # hmod : HMODULE optional
    -Fiddle::TYPE_INT,  # fdwSound : SND_FLAGS
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winmm")]
extern "system" {
    fn PlaySoundW(
        pszSound: *const u16,  // LPCWSTR optional
        hmod: *mut core::ffi::c_void,  // HMODULE optional
        fdwSound: u32  // SND_FLAGS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINMM.dll", CharSet = CharSet.Unicode)]
public static extern bool PlaySoundW([MarshalAs(UnmanagedType.LPWStr)] string pszSound, IntPtr hmod, uint fdwSound);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_PlaySoundW' -Namespace Win32 -PassThru
# $api::PlaySoundW(pszSound, hmod, fdwSound)

#uselib "WINMM.dll"
#func global PlaySoundW "PlaySoundW" wptr, wptr, wptr
; PlaySoundW pszSound, hmod, fdwSound   ; 戻り値は stat
; pszSound : LPCWSTR optional -> "wptr"
; hmod : HMODULE optional -> "wptr"
; fdwSound : SND_FLAGS -> "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。

#uselib "WINMM.dll"
#cfunc global PlaySoundW "PlaySoundW" wstr, sptr, int
; res = PlaySoundW(pszSound, hmod, fdwSound)
; pszSound : LPCWSTR optional -> "wstr"
; hmod : HMODULE optional -> "sptr"
; fdwSound : SND_FLAGS -> "int"

; BOOL PlaySoundW(LPCWSTR pszSound, HMODULE hmod, SND_FLAGS fdwSound)
#uselib "WINMM.dll"
#cfunc global PlaySoundW "PlaySoundW" wstr, intptr, int
; res = PlaySoundW(pszSound, hmod, fdwSound)
; pszSound : LPCWSTR optional -> "wstr"
; hmod : HMODULE optional -> "intptr"
; fdwSound : SND_FLAGS -> "int"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procPlaySoundW = winmm.NewProc("PlaySoundW")
)

// pszSound (LPCWSTR optional), hmod (HMODULE optional), fdwSound (SND_FLAGS)
r1, _, err := procPlaySoundW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszSound))),
	uintptr(hmod),
	uintptr(fdwSound),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PlaySoundW(
  pszSound: PWideChar;   // LPCWSTR optional
  hmod: THandle;   // HMODULE optional
  fdwSound: DWORD   // SND_FLAGS
): BOOL; stdcall;
  external 'WINMM.dll' name 'PlaySoundW';

result := DllCall("WINMM\PlaySoundW"
    , "WStr", pszSound   ; LPCWSTR optional
    , "Ptr", hmod   ; HMODULE optional
    , "UInt", fdwSound   ; SND_FLAGS
    , "Int")   ; return: BOOL

●PlaySoundW(pszSound, hmod, fdwSound) = DLL("WINMM.dll", "bool PlaySoundW(char*, void*, dword)")
# 呼び出し: PlaySoundW(pszSound, hmod, fdwSound)
# pszSound : LPCWSTR optional -> "char*"
# hmod : HMODULE optional -> "void*"
# fdwSound : SND_FLAGS -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。