mciDriverYield

関数

MCIドライバーの既定イールド処理を実行する。

DLLWINMM.dll呼出規約winapi

シグネチャ

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

DWORD mciDriverYield(
    DWORD wDeviceID
);

パラメーター

名前	型	方向
wDeviceID	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 mciDriverYield(
    DWORD wDeviceID
);

[DllImport("WINMM.dll", ExactSpelling = true)]
static extern uint mciDriverYield(
    uint wDeviceID   // DWORD
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function mciDriverYield(
    wDeviceID As UInteger   ' DWORD
) As UInteger
End Function

' wDeviceID : DWORD
Declare PtrSafe Function mciDriverYield Lib "winmm" ( _
    ByVal wDeviceID 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

mciDriverYield = ctypes.windll.winmm.mciDriverYield
mciDriverYield.restype = wintypes.DWORD
mciDriverYield.argtypes = [
    wintypes.DWORD,  # wDeviceID : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mciDriverYield = Fiddle::Function.new(
  lib['mciDriverYield'],
  [
    -Fiddle::TYPE_INT,  # wDeviceID : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mciDriverYield(
        wDeviceID: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint mciDriverYield(uint wDeviceID);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mciDriverYield' -Namespace Win32 -PassThru
# $api::mciDriverYield(wDeviceID)

#uselib "WINMM.dll"
#func global mciDriverYield "mciDriverYield" sptr
; mciDriverYield wDeviceID   ; 戻り値は stat
; wDeviceID : 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 "WINMM.dll"
#cfunc global mciDriverYield "mciDriverYield" int
; res = mciDriverYield(wDeviceID)
; wDeviceID : DWORD -> "int"

; DWORD mciDriverYield(DWORD wDeviceID)
#uselib "WINMM.dll"
#cfunc global mciDriverYield "mciDriverYield" int
; res = mciDriverYield(wDeviceID)
; wDeviceID : DWORD -> "int"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmciDriverYield = winmm.NewProc("mciDriverYield")
)

// wDeviceID (DWORD)
r1, _, err := procmciDriverYield.Call(
	uintptr(wDeviceID),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mciDriverYield(
  wDeviceID: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mciDriverYield';

result := DllCall("WINMM\mciDriverYield"
    , "UInt", wDeviceID   ; DWORD
    , "UInt")   ; return: DWORD

●mciDriverYield(wDeviceID) = DLL("WINMM.dll", "dword mciDriverYield(dword)")
# 呼び出し: mciDriverYield(wDeviceID)
# wDeviceID : 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)。