Win32 API 日本語リファレンス
ホームDevices.HumanInterfaceDevice › HidD_SetNumInputBuffers

HidD_SetNumInputBuffers

関数
HIDデバイスの入力レポートバッファ数を設定する。
DLLHID.dll呼出規約winapi

シグネチャ

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

BOOLEAN HidD_SetNumInputBuffers(
    HANDLE HidDeviceObject,
    DWORD NumberBuffers
);

パラメーター

名前方向
HidDeviceObjectHANDLEin
NumberBuffersDWORDin

戻り値の型: BOOLEAN

各言語での呼び出し定義

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

BOOLEAN HidD_SetNumInputBuffers(
    HANDLE HidDeviceObject,
    DWORD NumberBuffers
);
[DllImport("HID.dll", ExactSpelling = true)]
static extern byte HidD_SetNumInputBuffers(
    IntPtr HidDeviceObject,   // HANDLE
    uint NumberBuffers   // DWORD
);
<DllImport("HID.dll", ExactSpelling:=True)>
Public Shared Function HidD_SetNumInputBuffers(
    HidDeviceObject As IntPtr,   ' HANDLE
    NumberBuffers As UInteger   ' DWORD
) As Byte
End Function
' HidDeviceObject : HANDLE
' NumberBuffers : DWORD
Declare PtrSafe Function HidD_SetNumInputBuffers Lib "hid" ( _
    ByVal HidDeviceObject As LongPtr, _
    ByVal NumberBuffers As Long) 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_SetNumInputBuffers = ctypes.windll.hid.HidD_SetNumInputBuffers
HidD_SetNumInputBuffers.restype = ctypes.c_byte
HidD_SetNumInputBuffers.argtypes = [
    wintypes.HANDLE,  # HidDeviceObject : HANDLE
    wintypes.DWORD,  # NumberBuffers : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HID.dll')
HidD_SetNumInputBuffers = Fiddle::Function.new(
  lib['HidD_SetNumInputBuffers'],
  [
    Fiddle::TYPE_VOIDP,  # HidDeviceObject : HANDLE
    -Fiddle::TYPE_INT,  # NumberBuffers : DWORD
  ],
  Fiddle::TYPE_CHAR)
#[link(name = "hid")]
extern "system" {
    fn HidD_SetNumInputBuffers(
        HidDeviceObject: *mut core::ffi::c_void,  // HANDLE
        NumberBuffers: u32  // DWORD
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("HID.dll")]
public static extern byte HidD_SetNumInputBuffers(IntPtr HidDeviceObject, uint NumberBuffers);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HID_HidD_SetNumInputBuffers' -Namespace Win32 -PassThru
# $api::HidD_SetNumInputBuffers(HidDeviceObject, NumberBuffers)
#uselib "HID.dll"
#func global HidD_SetNumInputBuffers "HidD_SetNumInputBuffers" sptr, sptr
; HidD_SetNumInputBuffers HidDeviceObject, NumberBuffers   ; 戻り値は stat
; HidDeviceObject : HANDLE -> "sptr"
; NumberBuffers : 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 "HID.dll"
#cfunc global HidD_SetNumInputBuffers "HidD_SetNumInputBuffers" sptr, int
; res = HidD_SetNumInputBuffers(HidDeviceObject, NumberBuffers)
; HidDeviceObject : HANDLE -> "sptr"
; NumberBuffers : DWORD -> "int"
; BOOLEAN HidD_SetNumInputBuffers(HANDLE HidDeviceObject, DWORD NumberBuffers)
#uselib "HID.dll"
#cfunc global HidD_SetNumInputBuffers "HidD_SetNumInputBuffers" intptr, int
; res = HidD_SetNumInputBuffers(HidDeviceObject, NumberBuffers)
; HidDeviceObject : HANDLE -> "intptr"
; NumberBuffers : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	hid = windows.NewLazySystemDLL("HID.dll")
	procHidD_SetNumInputBuffers = hid.NewProc("HidD_SetNumInputBuffers")
)

// HidDeviceObject (HANDLE), NumberBuffers (DWORD)
r1, _, err := procHidD_SetNumInputBuffers.Call(
	uintptr(HidDeviceObject),
	uintptr(NumberBuffers),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN
function HidD_SetNumInputBuffers(
  HidDeviceObject: THandle;   // HANDLE
  NumberBuffers: DWORD   // DWORD
): ByteBool; stdcall;
  external 'HID.dll' name 'HidD_SetNumInputBuffers';
result := DllCall("HID\HidD_SetNumInputBuffers"
    , "Ptr", HidDeviceObject   ; HANDLE
    , "UInt", NumberBuffers   ; DWORD
    , "Char")   ; return: BOOLEAN
●HidD_SetNumInputBuffers(HidDeviceObject, NumberBuffers) = DLL("HID.dll", "byte HidD_SetNumInputBuffers(void*, dword)")
# 呼び出し: HidD_SetNumInputBuffers(HidDeviceObject, NumberBuffers)
# HidDeviceObject : HANDLE -> "void*"
# NumberBuffers : 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)。