CreateCaptureAudioStateMonitor

// Windows.Media.MediaControl.dll
#include <windows.h>

HRESULT CreateCaptureAudioStateMonitor(
    IAudioStateMonitor** audioStateMonitor
);

<DllImport("Windows.Media.MediaControl.dll", ExactSpelling:=True)>
Public Shared Function CreateCaptureAudioStateMonitor(
    audioStateMonitor As IntPtr   ' IAudioStateMonitor** out
) As Integer
End Function

' audioStateMonitor : IAudioStateMonitor** out
Declare PtrSafe Function CreateCaptureAudioStateMonitor Lib "windows.media.mediacontrol" ( _
    ByVal audioStateMonitor As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CreateCaptureAudioStateMonitor = ctypes.windll.LoadLibrary("Windows.Media.MediaControl.dll").CreateCaptureAudioStateMonitor
CreateCaptureAudioStateMonitor.restype = ctypes.c_int
CreateCaptureAudioStateMonitor.argtypes = [
    ctypes.c_void_p,  # audioStateMonitor : IAudioStateMonitor** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Windows.Media.MediaControl.dll')
CreateCaptureAudioStateMonitor = Fiddle::Function.new(
  lib['CreateCaptureAudioStateMonitor'],
  [
    Fiddle::TYPE_VOIDP,  # audioStateMonitor : IAudioStateMonitor** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "windows.media.mediacontrol")]
extern "system" {
    fn CreateCaptureAudioStateMonitor(
        audioStateMonitor: *mut *mut core::ffi::c_void  // IAudioStateMonitor** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Windows.Media.MediaControl.dll")]
public static extern int CreateCaptureAudioStateMonitor(IntPtr audioStateMonitor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Windows.Media.MediaControl_CreateCaptureAudioStateMonitor' -Namespace Win32 -PassThru
# $api::CreateCaptureAudioStateMonitor(audioStateMonitor)

#uselib "Windows.Media.MediaControl.dll"
#func global CreateCaptureAudioStateMonitor "CreateCaptureAudioStateMonitor" sptr
; CreateCaptureAudioStateMonitor audioStateMonitor   ; 戻り値は stat
; audioStateMonitor : IAudioStateMonitor** out -> "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 "Windows.Media.MediaControl.dll"
#cfunc global CreateCaptureAudioStateMonitor "CreateCaptureAudioStateMonitor" sptr
; res = CreateCaptureAudioStateMonitor(audioStateMonitor)
; audioStateMonitor : IAudioStateMonitor** out -> "sptr"

; HRESULT CreateCaptureAudioStateMonitor(IAudioStateMonitor** audioStateMonitor)
#uselib "Windows.Media.MediaControl.dll"
#cfunc global CreateCaptureAudioStateMonitor "CreateCaptureAudioStateMonitor" intptr
; res = CreateCaptureAudioStateMonitor(audioStateMonitor)
; audioStateMonitor : IAudioStateMonitor** out -> "intptr"

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

var (
	windows_media_mediacontrol = windows.NewLazySystemDLL("Windows.Media.MediaControl.dll")
	procCreateCaptureAudioStateMonitor = windows_media_mediacontrol.NewProc("CreateCaptureAudioStateMonitor")
)

// audioStateMonitor (IAudioStateMonitor** out)
r1, _, err := procCreateCaptureAudioStateMonitor.Call(
	uintptr(audioStateMonitor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CreateCaptureAudioStateMonitor(
  audioStateMonitor: Pointer   // IAudioStateMonitor** out
): Integer; stdcall;
  external 'Windows.Media.MediaControl.dll' name 'CreateCaptureAudioStateMonitor';

result := DllCall("Windows.Media.MediaControl\CreateCaptureAudioStateMonitor"
    , "Ptr", audioStateMonitor   ; IAudioStateMonitor** out
    , "Int")   ; return: HRESULT

●CreateCaptureAudioStateMonitor(audioStateMonitor) = DLL("Windows.Media.MediaControl.dll", "int CreateCaptureAudioStateMonitor(void*)")
# 呼び出し: CreateCaptureAudioStateMonitor(audioStateMonitor)
# audioStateMonitor : IAudioStateMonitor** 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)。