mciGetDeviceIDFromElementIDW

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

DWORD mciGetDeviceIDFromElementIDW(
    DWORD dwElementID,
    LPCWSTR lpstrType
);

<DllImport("WINMM.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function mciGetDeviceIDFromElementIDW(
    dwElementID As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpstrType As String   ' LPCWSTR
) As UInteger
End Function

' dwElementID : DWORD
' lpstrType : LPCWSTR
Declare PtrSafe Function mciGetDeviceIDFromElementIDW Lib "winmm" ( _
    ByVal dwElementID As Long, _
    ByVal lpstrType 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

mciGetDeviceIDFromElementIDW = ctypes.windll.winmm.mciGetDeviceIDFromElementIDW
mciGetDeviceIDFromElementIDW.restype = wintypes.DWORD
mciGetDeviceIDFromElementIDW.argtypes = [
    wintypes.DWORD,  # dwElementID : DWORD
    wintypes.LPCWSTR,  # lpstrType : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "winmm")]
extern "system" {
    fn mciGetDeviceIDFromElementIDW(
        dwElementID: u32,  // DWORD
        lpstrType: *const u16  // LPCWSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll", CharSet = CharSet.Unicode)]
public static extern uint mciGetDeviceIDFromElementIDW(uint dwElementID, [MarshalAs(UnmanagedType.LPWStr)] string lpstrType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mciGetDeviceIDFromElementIDW' -Namespace Win32 -PassThru
# $api::mciGetDeviceIDFromElementIDW(dwElementID, lpstrType)

#uselib "WINMM.dll"
#func global mciGetDeviceIDFromElementIDW "mciGetDeviceIDFromElementIDW" wptr, wptr
; mciGetDeviceIDFromElementIDW dwElementID, lpstrType   ; 戻り値は stat
; dwElementID : DWORD -> "wptr"
; lpstrType : LPCWSTR -> "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 mciGetDeviceIDFromElementIDW "mciGetDeviceIDFromElementIDW" int, wstr
; res = mciGetDeviceIDFromElementIDW(dwElementID, lpstrType)
; dwElementID : DWORD -> "int"
; lpstrType : LPCWSTR -> "wstr"

; DWORD mciGetDeviceIDFromElementIDW(DWORD dwElementID, LPCWSTR lpstrType)
#uselib "WINMM.dll"
#cfunc global mciGetDeviceIDFromElementIDW "mciGetDeviceIDFromElementIDW" int, wstr
; res = mciGetDeviceIDFromElementIDW(dwElementID, lpstrType)
; dwElementID : DWORD -> "int"
; lpstrType : LPCWSTR -> "wstr"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmciGetDeviceIDFromElementIDW = winmm.NewProc("mciGetDeviceIDFromElementIDW")
)

// dwElementID (DWORD), lpstrType (LPCWSTR)
r1, _, err := procmciGetDeviceIDFromElementIDW.Call(
	uintptr(dwElementID),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpstrType))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mciGetDeviceIDFromElementIDW(
  dwElementID: DWORD;   // DWORD
  lpstrType: PWideChar   // LPCWSTR
): DWORD; stdcall;
  external 'WINMM.dll' name 'mciGetDeviceIDFromElementIDW';

result := DllCall("WINMM\mciGetDeviceIDFromElementIDW"
    , "UInt", dwElementID   ; DWORD
    , "WStr", lpstrType   ; LPCWSTR
    , "UInt")   ; return: DWORD

●mciGetDeviceIDFromElementIDW(dwElementID, lpstrType) = DLL("WINMM.dll", "dword mciGetDeviceIDFromElementIDW(dword, char*)")
# 呼び出し: mciGetDeviceIDFromElementIDW(dwElementID, lpstrType)
# dwElementID : DWORD -> "dword"
# lpstrType : LPCWSTR -> "char*"
# 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。