sndPlaySoundW

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

BOOL sndPlaySoundW(
    LPCWSTR pszSound,   // optional
    DWORD fuSound
);

<DllImport("WINMM.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function sndPlaySoundW(
    <MarshalAs(UnmanagedType.LPWStr)> pszSound As String,   ' LPCWSTR optional
    fuSound As UInteger   ' DWORD
) As Boolean
End Function

' pszSound : LPCWSTR optional
' fuSound : DWORD
Declare PtrSafe Function sndPlaySoundW Lib "winmm" ( _
    ByVal pszSound As LongPtr, _
    ByVal fuSound 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

sndPlaySoundW = ctypes.windll.winmm.sndPlaySoundW
sndPlaySoundW.restype = wintypes.BOOL
sndPlaySoundW.argtypes = [
    wintypes.LPCWSTR,  # pszSound : LPCWSTR optional
    wintypes.DWORD,  # fuSound : DWORD
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "winmm")]
extern "system" {
    fn sndPlaySoundW(
        pszSound: *const u16,  // LPCWSTR optional
        fuSound: u32  // DWORD
    ) -> 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 sndPlaySoundW([MarshalAs(UnmanagedType.LPWStr)] string pszSound, uint fuSound);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_sndPlaySoundW' -Namespace Win32 -PassThru
# $api::sndPlaySoundW(pszSound, fuSound)

#uselib "WINMM.dll"
#func global sndPlaySoundW "sndPlaySoundW" wptr, wptr
; sndPlaySoundW pszSound, fuSound   ; 戻り値は stat
; pszSound : LPCWSTR optional -> "wptr"
; fuSound : DWORD -> "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 sndPlaySoundW "sndPlaySoundW" wstr, int
; res = sndPlaySoundW(pszSound, fuSound)
; pszSound : LPCWSTR optional -> "wstr"
; fuSound : DWORD -> "int"

; BOOL sndPlaySoundW(LPCWSTR pszSound, DWORD fuSound)
#uselib "WINMM.dll"
#cfunc global sndPlaySoundW "sndPlaySoundW" wstr, int
; res = sndPlaySoundW(pszSound, fuSound)
; pszSound : LPCWSTR optional -> "wstr"
; fuSound : DWORD -> "int"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procsndPlaySoundW = winmm.NewProc("sndPlaySoundW")
)

// pszSound (LPCWSTR optional), fuSound (DWORD)
r1, _, err := procsndPlaySoundW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszSound))),
	uintptr(fuSound),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function sndPlaySoundW(
  pszSound: PWideChar;   // LPCWSTR optional
  fuSound: DWORD   // DWORD
): BOOL; stdcall;
  external 'WINMM.dll' name 'sndPlaySoundW';

result := DllCall("WINMM\sndPlaySoundW"
    , "WStr", pszSound   ; LPCWSTR optional
    , "UInt", fuSound   ; DWORD
    , "Int")   ; return: BOOL

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