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

HidP_GetCaps

関数
HIDデバイスの能力(HIDP_CAPS)情報を取得する。
DLLHID.dll呼出規約winapi

シグネチャ

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

NTSTATUS HidP_GetCaps(
    PHIDP_PREPARSED_DATA PreparsedData,
    HIDP_CAPS* Capabilities
);

パラメーター

名前方向
PreparsedDataPHIDP_PREPARSED_DATAin
CapabilitiesHIDP_CAPS*out

戻り値の型: NTSTATUS

各言語での呼び出し定義

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

NTSTATUS HidP_GetCaps(
    PHIDP_PREPARSED_DATA PreparsedData,
    HIDP_CAPS* Capabilities
);
[DllImport("HID.dll", ExactSpelling = true)]
static extern int HidP_GetCaps(
    IntPtr PreparsedData,   // PHIDP_PREPARSED_DATA
    IntPtr Capabilities   // HIDP_CAPS* out
);
<DllImport("HID.dll", ExactSpelling:=True)>
Public Shared Function HidP_GetCaps(
    PreparsedData As IntPtr,   ' PHIDP_PREPARSED_DATA
    Capabilities As IntPtr   ' HIDP_CAPS* out
) As Integer
End Function
' PreparsedData : PHIDP_PREPARSED_DATA
' Capabilities : HIDP_CAPS* out
Declare PtrSafe Function HidP_GetCaps Lib "hid" ( _
    ByVal PreparsedData As LongPtr, _
    ByVal Capabilities As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

HidP_GetCaps = ctypes.windll.hid.HidP_GetCaps
HidP_GetCaps.restype = ctypes.c_int
HidP_GetCaps.argtypes = [
    ctypes.c_ssize_t,  # PreparsedData : PHIDP_PREPARSED_DATA
    ctypes.c_void_p,  # Capabilities : HIDP_CAPS* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HID.dll')
HidP_GetCaps = Fiddle::Function.new(
  lib['HidP_GetCaps'],
  [
    Fiddle::TYPE_INTPTR_T,  # PreparsedData : PHIDP_PREPARSED_DATA
    Fiddle::TYPE_VOIDP,  # Capabilities : HIDP_CAPS* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "hid")]
extern "system" {
    fn HidP_GetCaps(
        PreparsedData: isize,  // PHIDP_PREPARSED_DATA
        Capabilities: *mut HIDP_CAPS  // HIDP_CAPS* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("HID.dll")]
public static extern int HidP_GetCaps(IntPtr PreparsedData, IntPtr Capabilities);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HID_HidP_GetCaps' -Namespace Win32 -PassThru
# $api::HidP_GetCaps(PreparsedData, Capabilities)
#uselib "HID.dll"
#func global HidP_GetCaps "HidP_GetCaps" sptr, sptr
; HidP_GetCaps PreparsedData, varptr(Capabilities)   ; 戻り値は stat
; PreparsedData : PHIDP_PREPARSED_DATA -> "sptr"
; Capabilities : HIDP_CAPS* out -> "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 "HID.dll"
#cfunc global HidP_GetCaps "HidP_GetCaps" sptr, var
; res = HidP_GetCaps(PreparsedData, Capabilities)
; PreparsedData : PHIDP_PREPARSED_DATA -> "sptr"
; Capabilities : HIDP_CAPS* out -> "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。
出力引数:
; NTSTATUS HidP_GetCaps(PHIDP_PREPARSED_DATA PreparsedData, HIDP_CAPS* Capabilities)
#uselib "HID.dll"
#cfunc global HidP_GetCaps "HidP_GetCaps" intptr, var
; res = HidP_GetCaps(PreparsedData, Capabilities)
; PreparsedData : PHIDP_PREPARSED_DATA -> "intptr"
; Capabilities : HIDP_CAPS* out -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	hid = windows.NewLazySystemDLL("HID.dll")
	procHidP_GetCaps = hid.NewProc("HidP_GetCaps")
)

// PreparsedData (PHIDP_PREPARSED_DATA), Capabilities (HIDP_CAPS* out)
r1, _, err := procHidP_GetCaps.Call(
	uintptr(PreparsedData),
	uintptr(Capabilities),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS
function HidP_GetCaps(
  PreparsedData: NativeInt;   // PHIDP_PREPARSED_DATA
  Capabilities: Pointer   // HIDP_CAPS* out
): Integer; stdcall;
  external 'HID.dll' name 'HidP_GetCaps';
result := DllCall("HID\HidP_GetCaps"
    , "Ptr", PreparsedData   ; PHIDP_PREPARSED_DATA
    , "Ptr", Capabilities   ; HIDP_CAPS* out
    , "Int")   ; return: NTSTATUS
●HidP_GetCaps(PreparsedData, Capabilities) = DLL("HID.dll", "int HidP_GetCaps(int, void*)")
# 呼び出し: HidP_GetCaps(PreparsedData, Capabilities)
# PreparsedData : PHIDP_PREPARSED_DATA -> "int"
# Capabilities : HIDP_CAPS* out -> "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)。