waveInGetID

関数

波形入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 waveInGetID(
    HWAVEIN hwi,
    DWORD* puDeviceID
);

パラメーター

名前	型	方向
hwi	HWAVEIN	in
puDeviceID	DWORD*	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD waveInGetID(
    HWAVEIN hwi,
    DWORD* puDeviceID
);

[DllImport("WINMM.dll", ExactSpelling = true)]
static extern uint waveInGetID(
    IntPtr hwi,   // HWAVEIN
    ref uint puDeviceID   // DWORD*
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function waveInGetID(
    hwi As IntPtr,   ' HWAVEIN
    ByRef puDeviceID As UInteger   ' DWORD*
) As UInteger
End Function

' hwi : HWAVEIN
' puDeviceID : DWORD*
Declare PtrSafe Function waveInGetID Lib "winmm" ( _
    ByVal hwi 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

waveInGetID = ctypes.windll.winmm.waveInGetID
waveInGetID.restype = wintypes.DWORD
waveInGetID.argtypes = [
    wintypes.HANDLE,  # hwi : HWAVEIN
    ctypes.POINTER(wintypes.DWORD),  # puDeviceID : DWORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
waveInGetID = Fiddle::Function.new(
  lib['waveInGetID'],
  [
    Fiddle::TYPE_VOIDP,  # hwi : HWAVEIN
    Fiddle::TYPE_VOIDP,  # puDeviceID : DWORD*
  ],
  -Fiddle::TYPE_INT)

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

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

#uselib "WINMM.dll"
#func global waveInGetID "waveInGetID" sptr, sptr
; waveInGetID hwi, varptr(puDeviceID)   ; 戻り値は stat
; hwi : HWAVEIN -> "sptr"
; puDeviceID : 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。

出力引数:

#uselib "WINMM.dll"
#cfunc global waveInGetID "waveInGetID" sptr, var
; res = waveInGetID(hwi, puDeviceID)
; hwi : HWAVEIN -> "sptr"
; puDeviceID : DWORD* -> "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 waveInGetID "waveInGetID" sptr, sptr
; res = waveInGetID(hwi, varptr(puDeviceID))
; hwi : HWAVEIN -> "sptr"
; puDeviceID : DWORD* -> "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 waveInGetID(HWAVEIN hwi, DWORD* puDeviceID)
#uselib "WINMM.dll"
#cfunc global waveInGetID "waveInGetID" intptr, var
; res = waveInGetID(hwi, puDeviceID)
; hwi : HWAVEIN -> "intptr"
; puDeviceID : DWORD* -> "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 waveInGetID(HWAVEIN hwi, DWORD* puDeviceID)
#uselib "WINMM.dll"
#cfunc global waveInGetID "waveInGetID" intptr, intptr
; res = waveInGetID(hwi, varptr(puDeviceID))
; hwi : HWAVEIN -> "intptr"
; puDeviceID : DWORD* -> "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")
	procwaveInGetID = winmm.NewProc("waveInGetID")
)

// hwi (HWAVEIN), puDeviceID (DWORD*)
r1, _, err := procwaveInGetID.Call(
	uintptr(hwi),
	uintptr(puDeviceID),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function waveInGetID(
  hwi: THandle;   // HWAVEIN
  puDeviceID: Pointer   // DWORD*
): DWORD; stdcall;
  external 'WINMM.dll' name 'waveInGetID';

result := DllCall("WINMM\waveInGetID"
    , "Ptr", hwi   ; HWAVEIN
    , "Ptr", puDeviceID   ; DWORD*
    , "UInt")   ; return: DWORD

●waveInGetID(hwi, puDeviceID) = DLL("WINMM.dll", "dword waveInGetID(void*, void*)")
# 呼び出し: waveInGetID(hwi, puDeviceID)
# hwi : HWAVEIN -> "void*"
# puDeviceID : DWORD* -> "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)。