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HidD_FlushQueue

関数

HIDデバイスの入力レポートキューを破棄する。

DLLHID.dll呼出規約winapi

シグネチャ

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

BOOLEAN HidD_FlushQueue(
    HANDLE HidDeviceObject
);

パラメーター

名前	型	方向
HidDeviceObject	HANDLE	in

戻り値の型: BOOLEAN

各言語での呼び出し定義

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

BOOLEAN HidD_FlushQueue(
    HANDLE HidDeviceObject
);

[DllImport("HID.dll", ExactSpelling = true)]
static extern byte HidD_FlushQueue(
    IntPtr HidDeviceObject   // HANDLE
);

<DllImport("HID.dll", ExactSpelling:=True)>
Public Shared Function HidD_FlushQueue(
    HidDeviceObject As IntPtr   ' HANDLE
) As Byte
End Function

' HidDeviceObject : HANDLE
Declare PtrSafe Function HidD_FlushQueue Lib "hid" ( _
    ByVal HidDeviceObject As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HidD_FlushQueue = ctypes.windll.hid.HidD_FlushQueue
HidD_FlushQueue.restype = ctypes.c_byte
HidD_FlushQueue.argtypes = [
    wintypes.HANDLE,  # HidDeviceObject : HANDLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HID.dll')
HidD_FlushQueue = Fiddle::Function.new(
  lib['HidD_FlushQueue'],
  [
    Fiddle::TYPE_VOIDP,  # HidDeviceObject : HANDLE
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "hid")]
extern "system" {
    fn HidD_FlushQueue(
        HidDeviceObject: *mut core::ffi::c_void  // HANDLE
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HID.dll")]
public static extern byte HidD_FlushQueue(IntPtr HidDeviceObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HID_HidD_FlushQueue' -Namespace Win32 -PassThru
# $api::HidD_FlushQueue(HidDeviceObject)

#uselib "HID.dll"
#func global HidD_FlushQueue "HidD_FlushQueue" sptr
; HidD_FlushQueue HidDeviceObject   ; 戻り値は stat
; HidDeviceObject : HANDLE -> "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 "HID.dll"
#cfunc global HidD_FlushQueue "HidD_FlushQueue" sptr
; res = HidD_FlushQueue(HidDeviceObject)
; HidDeviceObject : HANDLE -> "sptr"

; BOOLEAN HidD_FlushQueue(HANDLE HidDeviceObject)
#uselib "HID.dll"
#cfunc global HidD_FlushQueue "HidD_FlushQueue" intptr
; res = HidD_FlushQueue(HidDeviceObject)
; HidDeviceObject : HANDLE -> "intptr"

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

var (
	hid = windows.NewLazySystemDLL("HID.dll")
	procHidD_FlushQueue = hid.NewProc("HidD_FlushQueue")
)

// HidDeviceObject (HANDLE)
r1, _, err := procHidD_FlushQueue.Call(
	uintptr(HidDeviceObject),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function HidD_FlushQueue(
  HidDeviceObject: THandle   // HANDLE
): ByteBool; stdcall;
  external 'HID.dll' name 'HidD_FlushQueue';

result := DllCall("HID\HidD_FlushQueue"
    , "Ptr", HidDeviceObject   ; HANDLE
    , "Char")   ; return: BOOLEAN

●HidD_FlushQueue(HidDeviceObject) = DLL("HID.dll", "byte HidD_FlushQueue(void*)")
# 呼び出し: HidD_FlushQueue(HidDeviceObject)
# HidDeviceObject : HANDLE -> "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)。