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WinUsb_SetPowerPolicy
関数WinUSBデバイスの電源管理ポリシーを設定する。
シグネチャ
// WINUSB.dll
#include <windows.h>
BOOL WinUsb_SetPowerPolicy(
WINUSB_INTERFACE_HANDLE InterfaceHandle,
WINUSB_POWER_POLICY PolicyType,
DWORD ValueLength,
void* Value
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| InterfaceHandle | WINUSB_INTERFACE_HANDLE | in | 電源ポリシーを設定する対象のWinUSBインターフェイスハンドル。 |
| PolicyType | WINUSB_POWER_POLICY | in | 設定する電源ポリシーの種類(AUTO_SUSPEND/SUSPEND_DELAY)。 |
| ValueLength | DWORD | in | Valueが指すデータのバイト数。 |
| Value | void* | in | 設定する電源ポリシー値を格納したバッファへのポインタ。 |
戻り値の型: BOOL
各言語での呼び出し定義
// WINUSB.dll
#include <windows.h>
BOOL WinUsb_SetPowerPolicy(
WINUSB_INTERFACE_HANDLE InterfaceHandle,
WINUSB_POWER_POLICY PolicyType,
DWORD ValueLength,
void* Value
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WinUsb_SetPowerPolicy(
IntPtr InterfaceHandle, // WINUSB_INTERFACE_HANDLE
uint PolicyType, // WINUSB_POWER_POLICY
uint ValueLength, // DWORD
IntPtr Value // void*
);<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_SetPowerPolicy(
InterfaceHandle As IntPtr, ' WINUSB_INTERFACE_HANDLE
PolicyType As UInteger, ' WINUSB_POWER_POLICY
ValueLength As UInteger, ' DWORD
Value As IntPtr ' void*
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' InterfaceHandle : WINUSB_INTERFACE_HANDLE
' PolicyType : WINUSB_POWER_POLICY
' ValueLength : DWORD
' Value : void*
Declare PtrSafe Function WinUsb_SetPowerPolicy Lib "winusb" ( _
ByVal InterfaceHandle As LongPtr, _
ByVal PolicyType As Long, _
ByVal ValueLength As Long, _
ByVal Value 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
WinUsb_SetPowerPolicy = ctypes.windll.winusb.WinUsb_SetPowerPolicy
WinUsb_SetPowerPolicy.restype = wintypes.BOOL
WinUsb_SetPowerPolicy.argtypes = [
wintypes.HANDLE, # InterfaceHandle : WINUSB_INTERFACE_HANDLE
wintypes.DWORD, # PolicyType : WINUSB_POWER_POLICY
wintypes.DWORD, # ValueLength : DWORD
ctypes.POINTER(None), # Value : void*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_SetPowerPolicy = Fiddle::Function.new(
lib['WinUsb_SetPowerPolicy'],
[
Fiddle::TYPE_VOIDP, # InterfaceHandle : WINUSB_INTERFACE_HANDLE
-Fiddle::TYPE_INT, # PolicyType : WINUSB_POWER_POLICY
-Fiddle::TYPE_INT, # ValueLength : DWORD
Fiddle::TYPE_VOIDP, # Value : void*
],
Fiddle::TYPE_INT)#[link(name = "winusb")]
extern "system" {
fn WinUsb_SetPowerPolicy(
InterfaceHandle: *mut core::ffi::c_void, // WINUSB_INTERFACE_HANDLE
PolicyType: u32, // WINUSB_POWER_POLICY
ValueLength: u32, // DWORD
Value: *mut () // void*
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true)]
public static extern bool WinUsb_SetPowerPolicy(IntPtr InterfaceHandle, uint PolicyType, uint ValueLength, IntPtr Value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_SetPowerPolicy' -Namespace Win32 -PassThru
# $api::WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)#uselib "WINUSB.dll"
#func global WinUsb_SetPowerPolicy "WinUsb_SetPowerPolicy" sptr, sptr, sptr, sptr
; WinUsb_SetPowerPolicy InterfaceHandle, PolicyType, ValueLength, Value ; 戻り値は stat
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; PolicyType : WINUSB_POWER_POLICY -> "sptr"
; ValueLength : DWORD -> "sptr"
; Value : void* -> "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 "WINUSB.dll"
#cfunc global WinUsb_SetPowerPolicy "WinUsb_SetPowerPolicy" sptr, int, int, sptr
; res = WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; PolicyType : WINUSB_POWER_POLICY -> "int"
; ValueLength : DWORD -> "int"
; Value : void* -> "sptr"; BOOL WinUsb_SetPowerPolicy(WINUSB_INTERFACE_HANDLE InterfaceHandle, WINUSB_POWER_POLICY PolicyType, DWORD ValueLength, void* Value)
#uselib "WINUSB.dll"
#cfunc global WinUsb_SetPowerPolicy "WinUsb_SetPowerPolicy" intptr, int, int, intptr
; res = WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr"
; PolicyType : WINUSB_POWER_POLICY -> "int"
; ValueLength : DWORD -> "int"
; Value : void* -> "intptr"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
winusb = windows.NewLazySystemDLL("WINUSB.dll")
procWinUsb_SetPowerPolicy = winusb.NewProc("WinUsb_SetPowerPolicy")
)
// InterfaceHandle (WINUSB_INTERFACE_HANDLE), PolicyType (WINUSB_POWER_POLICY), ValueLength (DWORD), Value (void*)
r1, _, err := procWinUsb_SetPowerPolicy.Call(
uintptr(InterfaceHandle),
uintptr(PolicyType),
uintptr(ValueLength),
uintptr(Value),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction WinUsb_SetPowerPolicy(
InterfaceHandle: THandle; // WINUSB_INTERFACE_HANDLE
PolicyType: DWORD; // WINUSB_POWER_POLICY
ValueLength: DWORD; // DWORD
Value: Pointer // void*
): BOOL; stdcall;
external 'WINUSB.dll' name 'WinUsb_SetPowerPolicy';result := DllCall("WINUSB\WinUsb_SetPowerPolicy"
, "Ptr", InterfaceHandle ; WINUSB_INTERFACE_HANDLE
, "UInt", PolicyType ; WINUSB_POWER_POLICY
, "UInt", ValueLength ; DWORD
, "Ptr", Value ; void*
, "Int") ; return: BOOL●WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value) = DLL("WINUSB.dll", "bool WinUsb_SetPowerPolicy(void*, dword, dword, void*)")
# 呼び出し: WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "void*"
# PolicyType : WINUSB_POWER_POLICY -> "dword"
# ValueLength : DWORD -> "dword"
# Value : void* -> "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)。const std = @import("std");
extern "winusb" fn WinUsb_SetPowerPolicy(
InterfaceHandle: ?*anyopaque, // WINUSB_INTERFACE_HANDLE
PolicyType: u32, // WINUSB_POWER_POLICY
ValueLength: u32, // DWORD
Value: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) i32;proc WinUsb_SetPowerPolicy(
InterfaceHandle: pointer, # WINUSB_INTERFACE_HANDLE
PolicyType: uint32, # WINUSB_POWER_POLICY
ValueLength: uint32, # DWORD
Value: pointer # void*
): int32 {.importc: "WinUsb_SetPowerPolicy", stdcall, dynlib: "WINUSB.dll".}pragma(lib, "winusb");
extern(Windows)
int WinUsb_SetPowerPolicy(
void* InterfaceHandle, // WINUSB_INTERFACE_HANDLE
uint PolicyType, // WINUSB_POWER_POLICY
uint ValueLength, // DWORD
void* Value // void*
);ccall((:WinUsb_SetPowerPolicy, "WINUSB.dll"), stdcall, Int32,
(Ptr{Cvoid}, UInt32, UInt32, Ptr{Cvoid}),
InterfaceHandle, PolicyType, ValueLength, Value)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> Ptr{Cvoid}
# PolicyType : WINUSB_POWER_POLICY -> UInt32
# ValueLength : DWORD -> UInt32
# Value : void* -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t WinUsb_SetPowerPolicy(
void* InterfaceHandle,
uint32_t PolicyType,
uint32_t ValueLength,
void* Value);
]]
local winusb = ffi.load("winusb")
-- winusb.WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
-- InterfaceHandle : WINUSB_INTERFACE_HANDLE
-- PolicyType : WINUSB_POWER_POLICY
-- ValueLength : DWORD
-- Value : void*
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('WINUSB.dll');
const WinUsb_SetPowerPolicy = lib.func('__stdcall', 'WinUsb_SetPowerPolicy', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *']);
// WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
// InterfaceHandle : WINUSB_INTERFACE_HANDLE -> 'void *'
// PolicyType : WINUSB_POWER_POLICY -> 'uint32_t'
// ValueLength : DWORD -> 'uint32_t'
// Value : void* -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("WINUSB.dll", {
WinUsb_SetPowerPolicy: { parameters: ["pointer", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
// InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "pointer"
// PolicyType : WINUSB_POWER_POLICY -> "u32"
// ValueLength : DWORD -> "u32"
// Value : void* -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t WinUsb_SetPowerPolicy(
void* InterfaceHandle,
uint32_t PolicyType,
uint32_t ValueLength,
void* Value);
C, "WINUSB.dll");
// $ffi->WinUsb_SetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value);
// InterfaceHandle : WINUSB_INTERFACE_HANDLE
// PolicyType : WINUSB_POWER_POLICY
// ValueLength : DWORD
// Value : void*
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Winusb extends StdCallLibrary {
Winusb INSTANCE = Native.load("winusb", Winusb.class);
boolean WinUsb_SetPowerPolicy(
Pointer InterfaceHandle, // WINUSB_INTERFACE_HANDLE
int PolicyType, // WINUSB_POWER_POLICY
int ValueLength, // DWORD
Pointer Value // void*
);
}@[Link("winusb")]
lib LibWINUSB
fun WinUsb_SetPowerPolicy = WinUsb_SetPowerPolicy(
InterfaceHandle : Void*, # WINUSB_INTERFACE_HANDLE
PolicyType : UInt32, # WINUSB_POWER_POLICY
ValueLength : UInt32, # DWORD
Value : Void* # void*
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WinUsb_SetPowerPolicyNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>);
typedef WinUsb_SetPowerPolicyDart = int Function(Pointer<Void>, int, int, Pointer<Void>);
final WinUsb_SetPowerPolicy = DynamicLibrary.open('WINUSB.dll')
.lookupFunction<WinUsb_SetPowerPolicyNative, WinUsb_SetPowerPolicyDart>('WinUsb_SetPowerPolicy');
// InterfaceHandle : WINUSB_INTERFACE_HANDLE -> Pointer<Void>
// PolicyType : WINUSB_POWER_POLICY -> Uint32
// ValueLength : DWORD -> Uint32
// Value : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WinUsb_SetPowerPolicy(
InterfaceHandle: THandle; // WINUSB_INTERFACE_HANDLE
PolicyType: DWORD; // WINUSB_POWER_POLICY
ValueLength: DWORD; // DWORD
Value: Pointer // void*
): BOOL; stdcall;
external 'WINUSB.dll' name 'WinUsb_SetPowerPolicy';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WinUsb_SetPowerPolicy"
c_WinUsb_SetPowerPolicy :: Ptr () -> Word32 -> Word32 -> Ptr () -> IO CInt
-- InterfaceHandle : WINUSB_INTERFACE_HANDLE -> Ptr ()
-- PolicyType : WINUSB_POWER_POLICY -> Word32
-- ValueLength : DWORD -> Word32
-- Value : void* -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let winusb_setpowerpolicy =
foreign "WinUsb_SetPowerPolicy"
((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* InterfaceHandle : WINUSB_INTERFACE_HANDLE -> (ptr void) *)
(* PolicyType : WINUSB_POWER_POLICY -> uint32_t *)
(* ValueLength : DWORD -> uint32_t *)
(* Value : void* -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library winusb (t "WINUSB.dll"))
(cffi:use-foreign-library winusb)
(cffi:defcfun ("WinUsb_SetPowerPolicy" win-usb-set-power-policy :convention :stdcall) :int32
(interface-handle :pointer) ; WINUSB_INTERFACE_HANDLE
(policy-type :uint32) ; WINUSB_POWER_POLICY
(value-length :uint32) ; DWORD
(value :pointer)) ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $WinUsb_SetPowerPolicy = Win32::API::More->new('WINUSB',
'BOOL WinUsb_SetPowerPolicy(HANDLE InterfaceHandle, DWORD PolicyType, DWORD ValueLength, LPVOID Value)');
# my $ret = $WinUsb_SetPowerPolicy->Call($InterfaceHandle, $PolicyType, $ValueLength, $Value);
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> HANDLE
# PolicyType : WINUSB_POWER_POLICY -> DWORD
# ValueLength : DWORD -> DWORD
# Value : void* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。