Win32 API 日本語リファレンス
ホームMedia.Audio › acmDriverClose

acmDriverClose

関数
開いているACMドライバーインスタンスを閉じて関連リソースを解放する。
DLLMSACM32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// MSACM32.dll
#include <windows.h>

DWORD acmDriverClose(
    HACMDRIVER had,
    DWORD fdwClose
);

パラメーター

名前方向
hadHACMDRIVERin
fdwCloseDWORDin

戻り値の型: DWORD

各言語での呼び出し定義

// MSACM32.dll
#include <windows.h>

DWORD acmDriverClose(
    HACMDRIVER had,
    DWORD fdwClose
);
[DllImport("MSACM32.dll", ExactSpelling = true)]
static extern uint acmDriverClose(
    IntPtr had,   // HACMDRIVER
    uint fdwClose   // DWORD
);
<DllImport("MSACM32.dll", ExactSpelling:=True)>
Public Shared Function acmDriverClose(
    had As IntPtr,   ' HACMDRIVER
    fdwClose As UInteger   ' DWORD
) As UInteger
End Function
' had : HACMDRIVER
' fdwClose : DWORD
Declare PtrSafe Function acmDriverClose Lib "msacm32" ( _
    ByVal had As LongPtr, _
    ByVal fdwClose As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

acmDriverClose = ctypes.windll.msacm32.acmDriverClose
acmDriverClose.restype = wintypes.DWORD
acmDriverClose.argtypes = [
    wintypes.HANDLE,  # had : HACMDRIVER
    wintypes.DWORD,  # fdwClose : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSACM32.dll')
acmDriverClose = Fiddle::Function.new(
  lib['acmDriverClose'],
  [
    Fiddle::TYPE_VOIDP,  # had : HACMDRIVER
    -Fiddle::TYPE_INT,  # fdwClose : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "msacm32")]
extern "system" {
    fn acmDriverClose(
        had: *mut core::ffi::c_void,  // HACMDRIVER
        fdwClose: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MSACM32.dll")]
public static extern uint acmDriverClose(IntPtr had, uint fdwClose);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSACM32_acmDriverClose' -Namespace Win32 -PassThru
# $api::acmDriverClose(had, fdwClose)
#uselib "MSACM32.dll"
#func global acmDriverClose "acmDriverClose" sptr, sptr
; acmDriverClose had, fdwClose   ; 戻り値は stat
; had : HACMDRIVER -> "sptr"
; fdwClose : DWORD -> "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 "MSACM32.dll"
#cfunc global acmDriverClose "acmDriverClose" sptr, int
; res = acmDriverClose(had, fdwClose)
; had : HACMDRIVER -> "sptr"
; fdwClose : DWORD -> "int"
; DWORD acmDriverClose(HACMDRIVER had, DWORD fdwClose)
#uselib "MSACM32.dll"
#cfunc global acmDriverClose "acmDriverClose" intptr, int
; res = acmDriverClose(had, fdwClose)
; had : HACMDRIVER -> "intptr"
; fdwClose : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	msacm32 = windows.NewLazySystemDLL("MSACM32.dll")
	procacmDriverClose = msacm32.NewProc("acmDriverClose")
)

// had (HACMDRIVER), fdwClose (DWORD)
r1, _, err := procacmDriverClose.Call(
	uintptr(had),
	uintptr(fdwClose),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function acmDriverClose(
  had: THandle;   // HACMDRIVER
  fdwClose: DWORD   // DWORD
): DWORD; stdcall;
  external 'MSACM32.dll' name 'acmDriverClose';
result := DllCall("MSACM32\acmDriverClose"
    , "Ptr", had   ; HACMDRIVER
    , "UInt", fdwClose   ; DWORD
    , "UInt")   ; return: DWORD
●acmDriverClose(had, fdwClose) = DLL("MSACM32.dll", "dword acmDriverClose(void*, dword)")
# 呼び出し: acmDriverClose(had, fdwClose)
# had : HACMDRIVER -> "void*"
# fdwClose : 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)。