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SetupDiClassGuidsFromNameA
関数クラス名から対応するクラスGUIDの一覧を取得する。
シグネチャ
// SETUPAPI.dll (ANSI / -A)
#include <windows.h>
BOOL SetupDiClassGuidsFromNameA(
LPCSTR ClassName,
GUID* ClassGuidList,
DWORD ClassGuidListSize,
DWORD* RequiredSize
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| ClassName | LPCSTR | in | 対応するGUID群を求めるクラス名(ANSI)。 |
| ClassGuidList | GUID* | out | クラス名に対応するセットアップクラスGUID配列を受け取るバッファ。 |
| ClassGuidListSize | DWORD | in | ClassGuidList配列が保持できるGUID要素数。 |
| RequiredSize | DWORD* | out | 実際に必要なGUID要素数を受け取るポインタ。サイズ照会に使う。 |
戻り値の型: BOOL
各言語での呼び出し定義
// SETUPAPI.dll (ANSI / -A)
#include <windows.h>
BOOL SetupDiClassGuidsFromNameA(
LPCSTR ClassName,
GUID* ClassGuidList,
DWORD ClassGuidListSize,
DWORD* RequiredSize
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetupDiClassGuidsFromNameA(
[MarshalAs(UnmanagedType.LPStr)] string ClassName, // LPCSTR
out Guid ClassGuidList, // GUID* out
uint ClassGuidListSize, // DWORD
out uint RequiredSize // DWORD* out
);<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupDiClassGuidsFromNameA(
<MarshalAs(UnmanagedType.LPStr)> ClassName As String, ' LPCSTR
<Out> ByRef ClassGuidList As Guid, ' GUID* out
ClassGuidListSize As UInteger, ' DWORD
<Out> ByRef RequiredSize As UInteger ' DWORD* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' ClassName : LPCSTR
' ClassGuidList : GUID* out
' ClassGuidListSize : DWORD
' RequiredSize : DWORD* out
Declare PtrSafe Function SetupDiClassGuidsFromNameA Lib "setupapi" ( _
ByVal ClassName As String, _
ByVal ClassGuidList As LongPtr, _
ByVal ClassGuidListSize As Long, _
ByRef RequiredSize 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
SetupDiClassGuidsFromNameA = ctypes.windll.setupapi.SetupDiClassGuidsFromNameA
SetupDiClassGuidsFromNameA.restype = wintypes.BOOL
SetupDiClassGuidsFromNameA.argtypes = [
wintypes.LPCSTR, # ClassName : LPCSTR
ctypes.c_void_p, # ClassGuidList : GUID* out
wintypes.DWORD, # ClassGuidListSize : DWORD
ctypes.POINTER(wintypes.DWORD), # RequiredSize : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('SETUPAPI.dll')
SetupDiClassGuidsFromNameA = Fiddle::Function.new(
lib['SetupDiClassGuidsFromNameA'],
[
Fiddle::TYPE_VOIDP, # ClassName : LPCSTR
Fiddle::TYPE_VOIDP, # ClassGuidList : GUID* out
-Fiddle::TYPE_INT, # ClassGuidListSize : DWORD
Fiddle::TYPE_VOIDP, # RequiredSize : DWORD* out
],
Fiddle::TYPE_INT)#[link(name = "setupapi")]
extern "system" {
fn SetupDiClassGuidsFromNameA(
ClassName: *const u8, // LPCSTR
ClassGuidList: *mut GUID, // GUID* out
ClassGuidListSize: u32, // DWORD
RequiredSize: *mut u32 // DWORD* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetupDiClassGuidsFromNameA([MarshalAs(UnmanagedType.LPStr)] string ClassName, out Guid ClassGuidList, uint ClassGuidListSize, out uint RequiredSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupDiClassGuidsFromNameA' -Namespace Win32 -PassThru
# $api::SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize)#uselib "SETUPAPI.dll"
#func global SetupDiClassGuidsFromNameA "SetupDiClassGuidsFromNameA" sptr, sptr, sptr, sptr
; SetupDiClassGuidsFromNameA ClassName, varptr(ClassGuidList), ClassGuidListSize, varptr(RequiredSize) ; 戻り値は stat
; ClassName : LPCSTR -> "sptr"
; ClassGuidList : GUID* out -> "sptr"
; ClassGuidListSize : DWORD -> "sptr"
; RequiredSize : DWORD* 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 "SETUPAPI.dll" #cfunc global SetupDiClassGuidsFromNameA "SetupDiClassGuidsFromNameA" str, var, int, var ; res = SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize) ; ClassName : LPCSTR -> "str" ; ClassGuidList : GUID* out -> "var" ; ClassGuidListSize : DWORD -> "int" ; RequiredSize : DWORD* 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。#uselib "SETUPAPI.dll" #cfunc global SetupDiClassGuidsFromNameA "SetupDiClassGuidsFromNameA" str, sptr, int, sptr ; res = SetupDiClassGuidsFromNameA(ClassName, varptr(ClassGuidList), ClassGuidListSize, varptr(RequiredSize)) ; ClassName : LPCSTR -> "str" ; ClassGuidList : GUID* out -> "sptr" ; ClassGuidListSize : DWORD -> "int" ; RequiredSize : DWORD* out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; BOOL SetupDiClassGuidsFromNameA(LPCSTR ClassName, GUID* ClassGuidList, DWORD ClassGuidListSize, DWORD* RequiredSize) #uselib "SETUPAPI.dll" #cfunc global SetupDiClassGuidsFromNameA "SetupDiClassGuidsFromNameA" str, var, int, var ; res = SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize) ; ClassName : LPCSTR -> "str" ; ClassGuidList : GUID* out -> "var" ; ClassGuidListSize : DWORD -> "int" ; RequiredSize : DWORD* 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。; BOOL SetupDiClassGuidsFromNameA(LPCSTR ClassName, GUID* ClassGuidList, DWORD ClassGuidListSize, DWORD* RequiredSize) #uselib "SETUPAPI.dll" #cfunc global SetupDiClassGuidsFromNameA "SetupDiClassGuidsFromNameA" str, intptr, int, intptr ; res = SetupDiClassGuidsFromNameA(ClassName, varptr(ClassGuidList), ClassGuidListSize, varptr(RequiredSize)) ; ClassName : LPCSTR -> "str" ; ClassGuidList : GUID* out -> "intptr" ; ClassGuidListSize : DWORD -> "int" ; RequiredSize : DWORD* out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
procSetupDiClassGuidsFromNameA = setupapi.NewProc("SetupDiClassGuidsFromNameA")
)
// ClassName (LPCSTR), ClassGuidList (GUID* out), ClassGuidListSize (DWORD), RequiredSize (DWORD* out)
r1, _, err := procSetupDiClassGuidsFromNameA.Call(
uintptr(unsafe.Pointer(windows.BytePtrFromString(ClassName))),
uintptr(ClassGuidList),
uintptr(ClassGuidListSize),
uintptr(RequiredSize),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction SetupDiClassGuidsFromNameA(
ClassName: PAnsiChar; // LPCSTR
ClassGuidList: PGUID; // GUID* out
ClassGuidListSize: DWORD; // DWORD
RequiredSize: Pointer // DWORD* out
): BOOL; stdcall;
external 'SETUPAPI.dll' name 'SetupDiClassGuidsFromNameA';result := DllCall("SETUPAPI\SetupDiClassGuidsFromNameA"
, "AStr", ClassName ; LPCSTR
, "Ptr", ClassGuidList ; GUID* out
, "UInt", ClassGuidListSize ; DWORD
, "Ptr", RequiredSize ; DWORD* out
, "Int") ; return: BOOL●SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize) = DLL("SETUPAPI.dll", "bool SetupDiClassGuidsFromNameA(char*, void*, dword, void*)")
# 呼び出し: SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize)
# ClassName : LPCSTR -> "char*"
# ClassGuidList : GUID* out -> "void*"
# ClassGuidListSize : DWORD -> "dword"
# RequiredSize : DWORD* 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)。const std = @import("std");
extern "setupapi" fn SetupDiClassGuidsFromNameA(
ClassName: [*c]const u8, // LPCSTR
ClassGuidList: [*c]GUID, // GUID* out
ClassGuidListSize: u32, // DWORD
RequiredSize: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;proc SetupDiClassGuidsFromNameA(
ClassName: cstring, # LPCSTR
ClassGuidList: ptr GUID, # GUID* out
ClassGuidListSize: uint32, # DWORD
RequiredSize: ptr uint32 # DWORD* out
): int32 {.importc: "SetupDiClassGuidsFromNameA", stdcall, dynlib: "SETUPAPI.dll".}pragma(lib, "setupapi");
extern(Windows)
int SetupDiClassGuidsFromNameA(
const(char)* ClassName, // LPCSTR
GUID* ClassGuidList, // GUID* out
uint ClassGuidListSize, // DWORD
uint* RequiredSize // DWORD* out
);ccall((:SetupDiClassGuidsFromNameA, "SETUPAPI.dll"), stdcall, Int32,
(Cstring, Ptr{GUID}, UInt32, Ptr{UInt32}),
ClassName, ClassGuidList, ClassGuidListSize, RequiredSize)
# ClassName : LPCSTR -> Cstring
# ClassGuidList : GUID* out -> Ptr{GUID}
# ClassGuidListSize : DWORD -> UInt32
# RequiredSize : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t SetupDiClassGuidsFromNameA(
const char* ClassName,
void* ClassGuidList,
uint32_t ClassGuidListSize,
uint32_t* RequiredSize);
]]
local setupapi = ffi.load("setupapi")
-- setupapi.SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize)
-- ClassName : LPCSTR
-- ClassGuidList : GUID* out
-- ClassGuidListSize : DWORD
-- RequiredSize : DWORD* out
-- 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('SETUPAPI.dll');
const SetupDiClassGuidsFromNameA = lib.func('__stdcall', 'SetupDiClassGuidsFromNameA', 'int32_t', ['str', 'void *', 'uint32_t', 'uint32_t *']);
// SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize)
// ClassName : LPCSTR -> 'str'
// ClassGuidList : GUID* out -> 'void *'
// ClassGuidListSize : DWORD -> 'uint32_t'
// RequiredSize : DWORD* out -> 'uint32_t *'
// 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("SETUPAPI.dll", {
SetupDiClassGuidsFromNameA: { parameters: ["buffer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize)
// ClassName : LPCSTR -> "buffer"
// ClassGuidList : GUID* out -> "pointer"
// ClassGuidListSize : DWORD -> "u32"
// RequiredSize : DWORD* out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t SetupDiClassGuidsFromNameA(
const char* ClassName,
void* ClassGuidList,
uint32_t ClassGuidListSize,
uint32_t* RequiredSize);
C, "SETUPAPI.dll");
// $ffi->SetupDiClassGuidsFromNameA(ClassName, ClassGuidList, ClassGuidListSize, RequiredSize);
// ClassName : LPCSTR
// ClassGuidList : GUID* out
// ClassGuidListSize : DWORD
// RequiredSize : DWORD* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Setupapi extends StdCallLibrary {
Setupapi INSTANCE = Native.load("setupapi", Setupapi.class, W32APIOptions.ASCII_OPTIONS);
boolean SetupDiClassGuidsFromNameA(
String ClassName, // LPCSTR
Pointer ClassGuidList, // GUID* out
int ClassGuidListSize, // DWORD
IntByReference RequiredSize // DWORD* out
);
}@[Link("setupapi")]
lib LibSETUPAPI
fun SetupDiClassGuidsFromNameA = SetupDiClassGuidsFromNameA(
ClassName : UInt8*, # LPCSTR
ClassGuidList : GUID*, # GUID* out
ClassGuidListSize : UInt32, # DWORD
RequiredSize : UInt32* # DWORD* out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef SetupDiClassGuidsFromNameANative = Int32 Function(Pointer<Utf8>, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef SetupDiClassGuidsFromNameADart = int Function(Pointer<Utf8>, Pointer<Void>, int, Pointer<Uint32>);
final SetupDiClassGuidsFromNameA = DynamicLibrary.open('SETUPAPI.dll')
.lookupFunction<SetupDiClassGuidsFromNameANative, SetupDiClassGuidsFromNameADart>('SetupDiClassGuidsFromNameA');
// ClassName : LPCSTR -> Pointer<Utf8>
// ClassGuidList : GUID* out -> Pointer<Void>
// ClassGuidListSize : DWORD -> Uint32
// RequiredSize : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SetupDiClassGuidsFromNameA(
ClassName: PAnsiChar; // LPCSTR
ClassGuidList: PGUID; // GUID* out
ClassGuidListSize: DWORD; // DWORD
RequiredSize: Pointer // DWORD* out
): BOOL; stdcall;
external 'SETUPAPI.dll' name 'SetupDiClassGuidsFromNameA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SetupDiClassGuidsFromNameA"
c_SetupDiClassGuidsFromNameA :: CString -> Ptr () -> Word32 -> Ptr Word32 -> IO CInt
-- ClassName : LPCSTR -> CString
-- ClassGuidList : GUID* out -> Ptr ()
-- ClassGuidListSize : DWORD -> Word32
-- RequiredSize : DWORD* out -> Ptr Word32
-- 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 setupdiclassguidsfromnamea =
foreign "SetupDiClassGuidsFromNameA"
(string @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* ClassName : LPCSTR -> string *)
(* ClassGuidList : GUID* out -> (ptr void) *)
(* ClassGuidListSize : DWORD -> uint32_t *)
(* RequiredSize : DWORD* out -> (ptr uint32_t) *)
(* 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 setupapi (t "SETUPAPI.dll"))
(cffi:use-foreign-library setupapi)
(cffi:defcfun ("SetupDiClassGuidsFromNameA" setup-di-class-guids-from-name-a :convention :stdcall) :int32
(class-name :string) ; LPCSTR
(class-guid-list :pointer) ; GUID* out
(class-guid-list-size :uint32) ; DWORD
(required-size :pointer)) ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SetupDiClassGuidsFromNameA = Win32::API::More->new('SETUPAPI',
'BOOL SetupDiClassGuidsFromNameA(LPCSTR ClassName, LPVOID ClassGuidList, DWORD ClassGuidListSize, LPVOID RequiredSize)');
# my $ret = $SetupDiClassGuidsFromNameA->Call($ClassName, $ClassGuidList, $ClassGuidListSize, $RequiredSize);
# ClassName : LPCSTR -> LPCSTR
# ClassGuidList : GUID* out -> LPVOID
# ClassGuidListSize : DWORD -> DWORD
# RequiredSize : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
文字セット違い
- f SetupDiClassGuidsFromNameW (Unicode版) — クラス名から対応するクラスGUIDの一覧を取得する。
類似 API
- f SetupDiClassGuidsFromNameExA — 指定マシンでクラス名からクラスGUID一覧を取得する。