waveInGetDevCapsW

関数

波形オーディオ入力デバイスの機能を取得する(Unicode版)。

DLLWINMM.dll文字セットUnicode (-W)呼出規約winapi

シグネチャ

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

DWORD waveInGetDevCapsW(
    UINT_PTR uDeviceID,
    WAVEINCAPSW* pwic,
    DWORD cbwic
);

パラメーター

名前	型	方向
uDeviceID	UINT_PTR	in
pwic	WAVEINCAPSW*	out
cbwic	DWORD	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD waveInGetDevCapsW(
    UINT_PTR uDeviceID,
    WAVEINCAPSW* pwic,
    DWORD cbwic
);

[DllImport("WINMM.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint waveInGetDevCapsW(
    UIntPtr uDeviceID,   // UINT_PTR
    IntPtr pwic,   // WAVEINCAPSW* out
    uint cbwic   // DWORD
);

<DllImport("WINMM.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function waveInGetDevCapsW(
    uDeviceID As UIntPtr,   ' UINT_PTR
    pwic As IntPtr,   ' WAVEINCAPSW* out
    cbwic As UInteger   ' DWORD
) As UInteger
End Function

' uDeviceID : UINT_PTR
' pwic : WAVEINCAPSW* out
' cbwic : DWORD
Declare PtrSafe Function waveInGetDevCapsW Lib "winmm" ( _
    ByVal uDeviceID As LongPtr, _
    ByVal pwic As LongPtr, _
    ByVal cbwic As Long) 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

waveInGetDevCapsW = ctypes.windll.winmm.waveInGetDevCapsW
waveInGetDevCapsW.restype = wintypes.DWORD
waveInGetDevCapsW.argtypes = [
    ctypes.c_size_t,  # uDeviceID : UINT_PTR
    ctypes.c_void_p,  # pwic : WAVEINCAPSW* out
    wintypes.DWORD,  # cbwic : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
waveInGetDevCapsW = Fiddle::Function.new(
  lib['waveInGetDevCapsW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # uDeviceID : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pwic : WAVEINCAPSW* out
    -Fiddle::TYPE_INT,  # cbwic : DWORD
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winmm")]
extern "system" {
    fn waveInGetDevCapsW(
        uDeviceID: usize,  // UINT_PTR
        pwic: *mut WAVEINCAPSW,  // WAVEINCAPSW* out
        cbwic: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll", CharSet = CharSet.Unicode)]
public static extern uint waveInGetDevCapsW(UIntPtr uDeviceID, IntPtr pwic, uint cbwic);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_waveInGetDevCapsW' -Namespace Win32 -PassThru
# $api::waveInGetDevCapsW(uDeviceID, pwic, cbwic)

#uselib "WINMM.dll"
#func global waveInGetDevCapsW "waveInGetDevCapsW" wptr, wptr, wptr
; waveInGetDevCapsW uDeviceID, varptr(pwic), cbwic   ; 戻り値は stat
; uDeviceID : UINT_PTR -> "wptr"
; pwic : WAVEINCAPSW* out -> "wptr"
; cbwic : DWORD -> "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。

出力引数:

#uselib "WINMM.dll"
#cfunc global waveInGetDevCapsW "waveInGetDevCapsW" sptr, var, int
; res = waveInGetDevCapsW(uDeviceID, pwic, cbwic)
; uDeviceID : UINT_PTR -> "sptr"
; pwic : WAVEINCAPSW* out -> "var"
; cbwic : DWORD -> "int"
; ※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 waveInGetDevCapsW "waveInGetDevCapsW" sptr, sptr, int
; res = waveInGetDevCapsW(uDeviceID, varptr(pwic), cbwic)
; uDeviceID : UINT_PTR -> "sptr"
; pwic : WAVEINCAPSW* out -> "sptr"
; cbwic : DWORD -> "int"
; ※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 waveInGetDevCapsW(UINT_PTR uDeviceID, WAVEINCAPSW* pwic, DWORD cbwic)
#uselib "WINMM.dll"
#cfunc global waveInGetDevCapsW "waveInGetDevCapsW" intptr, var, int
; res = waveInGetDevCapsW(uDeviceID, pwic, cbwic)
; uDeviceID : UINT_PTR -> "intptr"
; pwic : WAVEINCAPSW* out -> "var"
; cbwic : DWORD -> "int"
; ※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 waveInGetDevCapsW(UINT_PTR uDeviceID, WAVEINCAPSW* pwic, DWORD cbwic)
#uselib "WINMM.dll"
#cfunc global waveInGetDevCapsW "waveInGetDevCapsW" intptr, intptr, int
; res = waveInGetDevCapsW(uDeviceID, varptr(pwic), cbwic)
; uDeviceID : UINT_PTR -> "intptr"
; pwic : WAVEINCAPSW* out -> "intptr"
; cbwic : DWORD -> "int"
; ※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")
	procwaveInGetDevCapsW = winmm.NewProc("waveInGetDevCapsW")
)

// uDeviceID (UINT_PTR), pwic (WAVEINCAPSW* out), cbwic (DWORD)
r1, _, err := procwaveInGetDevCapsW.Call(
	uintptr(uDeviceID),
	uintptr(pwic),
	uintptr(cbwic),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function waveInGetDevCapsW(
  uDeviceID: NativeUInt;   // UINT_PTR
  pwic: Pointer;   // WAVEINCAPSW* out
  cbwic: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'waveInGetDevCapsW';

result := DllCall("WINMM\waveInGetDevCapsW"
    , "UPtr", uDeviceID   ; UINT_PTR
    , "Ptr", pwic   ; WAVEINCAPSW* out
    , "UInt", cbwic   ; DWORD
    , "UInt")   ; return: DWORD

●waveInGetDevCapsW(uDeviceID, pwic, cbwic) = DLL("WINMM.dll", "dword waveInGetDevCapsW(int, void*, dword)")
# 呼び出し: waveInGetDevCapsW(uDeviceID, pwic, cbwic)
# uDeviceID : UINT_PTR -> "int"
# pwic : WAVEINCAPSW* out -> "void*"
# cbwic : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。