waveOutGetID

関数

波形出力デバイスハンドルからデバイスIDを取得する。

DLLWINMM.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

DWORD waveOutGetID(
    HWAVEOUT hwo,
    DWORD* puDeviceID
);

パラメーター

名前	型	方向
hwo	HWAVEOUT	in
puDeviceID	DWORD*	out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD waveOutGetID(
    HWAVEOUT hwo,
    DWORD* puDeviceID
);

[DllImport("WINMM.dll", ExactSpelling = true)]
static extern uint waveOutGetID(
    IntPtr hwo,   // HWAVEOUT
    out uint puDeviceID   // DWORD* out
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function waveOutGetID(
    hwo As IntPtr,   ' HWAVEOUT
    <Out> ByRef puDeviceID As UInteger   ' DWORD* out
) As UInteger
End Function

' hwo : HWAVEOUT
' puDeviceID : DWORD* out
Declare PtrSafe Function waveOutGetID Lib "winmm" ( _
    ByVal hwo As LongPtr, _
    ByRef puDeviceID 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

waveOutGetID = ctypes.windll.winmm.waveOutGetID
waveOutGetID.restype = wintypes.DWORD
waveOutGetID.argtypes = [
    wintypes.HANDLE,  # hwo : HWAVEOUT
    ctypes.POINTER(wintypes.DWORD),  # puDeviceID : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
waveOutGetID = Fiddle::Function.new(
  lib['waveOutGetID'],
  [
    Fiddle::TYPE_VOIDP,  # hwo : HWAVEOUT
    Fiddle::TYPE_VOIDP,  # puDeviceID : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn waveOutGetID(
        hwo: *mut core::ffi::c_void,  // HWAVEOUT
        puDeviceID: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint waveOutGetID(IntPtr hwo, out uint puDeviceID);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_waveOutGetID' -Namespace Win32 -PassThru
# $api::waveOutGetID(hwo, puDeviceID)

#uselib "WINMM.dll"
#func global waveOutGetID "waveOutGetID" sptr, sptr
; waveOutGetID hwo, varptr(puDeviceID)   ; 戻り値は stat
; hwo : HWAVEOUT -> "sptr"
; puDeviceID : DWORD* 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。

出力引数:

#uselib "WINMM.dll"
#cfunc global waveOutGetID "waveOutGetID" sptr, var
; res = waveOutGetID(hwo, puDeviceID)
; hwo : HWAVEOUT -> "sptr"
; puDeviceID : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "WINMM.dll"
#cfunc global waveOutGetID "waveOutGetID" sptr, sptr
; res = waveOutGetID(hwo, varptr(puDeviceID))
; hwo : HWAVEOUT -> "sptr"
; puDeviceID : DWORD* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD waveOutGetID(HWAVEOUT hwo, DWORD* puDeviceID)
#uselib "WINMM.dll"
#cfunc global waveOutGetID "waveOutGetID" intptr, var
; res = waveOutGetID(hwo, puDeviceID)
; hwo : HWAVEOUT -> "intptr"
; puDeviceID : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD waveOutGetID(HWAVEOUT hwo, DWORD* puDeviceID)
#uselib "WINMM.dll"
#cfunc global waveOutGetID "waveOutGetID" intptr, intptr
; res = waveOutGetID(hwo, varptr(puDeviceID))
; hwo : HWAVEOUT -> "intptr"
; puDeviceID : DWORD* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procwaveOutGetID = winmm.NewProc("waveOutGetID")
)

// hwo (HWAVEOUT), puDeviceID (DWORD* out)
r1, _, err := procwaveOutGetID.Call(
	uintptr(hwo),
	uintptr(puDeviceID),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function waveOutGetID(
  hwo: THandle;   // HWAVEOUT
  puDeviceID: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'WINMM.dll' name 'waveOutGetID';

result := DllCall("WINMM\waveOutGetID"
    , "Ptr", hwo   ; HWAVEOUT
    , "Ptr", puDeviceID   ; DWORD* out
    , "UInt")   ; return: DWORD

●waveOutGetID(hwo, puDeviceID) = DLL("WINMM.dll", "dword waveOutGetID(void*, void*)")
# 呼び出し: waveOutGetID(hwo, puDeviceID)
# hwo : HWAVEOUT -> "void*"
# puDeviceID : DWORD* 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)。