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SetupDiGetClassRegistryPropertyW

関数

指定したデバイスセットアップクラスのレジストリプロパティを取得する。

DLLSETUPAPI.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// SETUPAPI.dll  (Unicode / -W)
#include <windows.h>

BOOL SetupDiGetClassRegistryPropertyW(
    const GUID* ClassGuid,
    DWORD Property,
    DWORD* PropertyRegDataType,   // optional
    BYTE* PropertyBuffer,
    DWORD PropertyBufferSize,
    DWORD* RequiredSize,   // optional
    LPCWSTR MachineName,   // optional
    void* Reserved   // optional
);

パラメーター

名前	型	方向
ClassGuid	GUID*	in
Property	DWORD	in
PropertyRegDataType	DWORD*	outoptional
PropertyBuffer	BYTE*	out
PropertyBufferSize	DWORD	in
RequiredSize	DWORD*	outoptional
MachineName	LPCWSTR	inoptional
Reserved	void*	optional

戻り値の型: BOOL

各言語での呼び出し定義

// SETUPAPI.dll  (Unicode / -W)
#include <windows.h>

BOOL SetupDiGetClassRegistryPropertyW(
    const GUID* ClassGuid,
    DWORD Property,
    DWORD* PropertyRegDataType,   // optional
    BYTE* PropertyBuffer,
    DWORD PropertyBufferSize,
    DWORD* RequiredSize,   // optional
    LPCWSTR MachineName,   // optional
    void* Reserved   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool SetupDiGetClassRegistryPropertyW(
    ref Guid ClassGuid,   // GUID*
    uint Property,   // DWORD
    IntPtr PropertyRegDataType,   // DWORD* optional, out
    IntPtr PropertyBuffer,   // BYTE* out
    uint PropertyBufferSize,   // DWORD
    IntPtr RequiredSize,   // DWORD* optional, out
    [MarshalAs(UnmanagedType.LPWStr)] string MachineName,   // LPCWSTR optional
    IntPtr Reserved   // void* optional
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupDiGetClassRegistryPropertyW(
    ByRef ClassGuid As Guid,   ' GUID*
    [Property] As UInteger,   ' DWORD
    PropertyRegDataType As IntPtr,   ' DWORD* optional, out
    PropertyBuffer As IntPtr,   ' BYTE* out
    PropertyBufferSize As UInteger,   ' DWORD
    RequiredSize As IntPtr,   ' DWORD* optional, out
    <MarshalAs(UnmanagedType.LPWStr)> MachineName As String,   ' LPCWSTR optional
    Reserved As IntPtr   ' void* optional
) As Boolean
End Function

' ClassGuid : GUID*
' Property : DWORD
' PropertyRegDataType : DWORD* optional, out
' PropertyBuffer : BYTE* out
' PropertyBufferSize : DWORD
' RequiredSize : DWORD* optional, out
' MachineName : LPCWSTR optional
' Reserved : void* optional
Declare PtrSafe Function SetupDiGetClassRegistryPropertyW Lib "setupapi" ( _
    ByVal ClassGuid As LongPtr, _
    ByVal Property As Long, _
    ByVal PropertyRegDataType As LongPtr, _
    ByVal PropertyBuffer As LongPtr, _
    ByVal PropertyBufferSize As Long, _
    ByVal RequiredSize As LongPtr, _
    ByVal MachineName As LongPtr, _
    ByVal Reserved As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetupDiGetClassRegistryPropertyW = ctypes.windll.setupapi.SetupDiGetClassRegistryPropertyW
SetupDiGetClassRegistryPropertyW.restype = wintypes.BOOL
SetupDiGetClassRegistryPropertyW.argtypes = [
    ctypes.c_void_p,  # ClassGuid : GUID*
    wintypes.DWORD,  # Property : DWORD
    ctypes.POINTER(wintypes.DWORD),  # PropertyRegDataType : DWORD* optional, out
    ctypes.POINTER(ctypes.c_ubyte),  # PropertyBuffer : BYTE* out
    wintypes.DWORD,  # PropertyBufferSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # RequiredSize : DWORD* optional, out
    wintypes.LPCWSTR,  # MachineName : LPCWSTR optional
    ctypes.POINTER(None),  # Reserved : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupDiGetClassRegistryPropertyW = Fiddle::Function.new(
  lib['SetupDiGetClassRegistryPropertyW'],
  [
    Fiddle::TYPE_VOIDP,  # ClassGuid : GUID*
    -Fiddle::TYPE_INT,  # Property : DWORD
    Fiddle::TYPE_VOIDP,  # PropertyRegDataType : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # PropertyBuffer : BYTE* out
    -Fiddle::TYPE_INT,  # PropertyBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # RequiredSize : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # MachineName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # Reserved : void* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "setupapi")]
extern "system" {
    fn SetupDiGetClassRegistryPropertyW(
        ClassGuid: *const GUID,  // GUID*
        Property: u32,  // DWORD
        PropertyRegDataType: *mut u32,  // DWORD* optional, out
        PropertyBuffer: *mut u8,  // BYTE* out
        PropertyBufferSize: u32,  // DWORD
        RequiredSize: *mut u32,  // DWORD* optional, out
        MachineName: *const u16,  // LPCWSTR optional
        Reserved: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SetupDiGetClassRegistryPropertyW(ref Guid ClassGuid, uint Property, IntPtr PropertyRegDataType, IntPtr PropertyBuffer, uint PropertyBufferSize, IntPtr RequiredSize, [MarshalAs(UnmanagedType.LPWStr)] string MachineName, IntPtr Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupDiGetClassRegistryPropertyW' -Namespace Win32 -PassThru
# $api::SetupDiGetClassRegistryPropertyW(ClassGuid, Property, PropertyRegDataType, PropertyBuffer, PropertyBufferSize, RequiredSize, MachineName, Reserved)

#uselib "SETUPAPI.dll"
#func global SetupDiGetClassRegistryPropertyW "SetupDiGetClassRegistryPropertyW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; SetupDiGetClassRegistryPropertyW varptr(ClassGuid), Property, varptr(PropertyRegDataType), varptr(PropertyBuffer), PropertyBufferSize, varptr(RequiredSize), MachineName, Reserved   ; 戻り値は stat
; ClassGuid : GUID* -> "wptr"
; Property : DWORD -> "wptr"
; PropertyRegDataType : DWORD* optional, out -> "wptr"
; PropertyBuffer : BYTE* out -> "wptr"
; PropertyBufferSize : DWORD -> "wptr"
; RequiredSize : DWORD* optional, out -> "wptr"
; MachineName : LPCWSTR optional -> "wptr"
; Reserved : void* optional -> "wptr"
; ※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 SetupDiGetClassRegistryPropertyW "SetupDiGetClassRegistryPropertyW" var, int, var, var, int, var, wstr, sptr
; res = SetupDiGetClassRegistryPropertyW(ClassGuid, Property, PropertyRegDataType, PropertyBuffer, PropertyBufferSize, RequiredSize, MachineName, Reserved)
; ClassGuid : GUID* -> "var"
; Property : DWORD -> "int"
; PropertyRegDataType : DWORD* optional, out -> "var"
; PropertyBuffer : BYTE* out -> "var"
; PropertyBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "var"
; MachineName : LPCWSTR optional -> "wstr"
; Reserved : void* optional -> "sptr"
; ※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 SetupDiGetClassRegistryPropertyW "SetupDiGetClassRegistryPropertyW" sptr, int, sptr, sptr, int, sptr, wstr, sptr
; res = SetupDiGetClassRegistryPropertyW(varptr(ClassGuid), Property, varptr(PropertyRegDataType), varptr(PropertyBuffer), PropertyBufferSize, varptr(RequiredSize), MachineName, Reserved)
; ClassGuid : GUID* -> "sptr"
; Property : DWORD -> "int"
; PropertyRegDataType : DWORD* optional, out -> "sptr"
; PropertyBuffer : BYTE* out -> "sptr"
; PropertyBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "sptr"
; MachineName : LPCWSTR optional -> "wstr"
; Reserved : void* optional -> "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 SetupDiGetClassRegistryPropertyW(GUID* ClassGuid, DWORD Property, DWORD* PropertyRegDataType, BYTE* PropertyBuffer, DWORD PropertyBufferSize, DWORD* RequiredSize, LPCWSTR MachineName, void* Reserved)
#uselib "SETUPAPI.dll"
#cfunc global SetupDiGetClassRegistryPropertyW "SetupDiGetClassRegistryPropertyW" var, int, var, var, int, var, wstr, intptr
; res = SetupDiGetClassRegistryPropertyW(ClassGuid, Property, PropertyRegDataType, PropertyBuffer, PropertyBufferSize, RequiredSize, MachineName, Reserved)
; ClassGuid : GUID* -> "var"
; Property : DWORD -> "int"
; PropertyRegDataType : DWORD* optional, out -> "var"
; PropertyBuffer : BYTE* out -> "var"
; PropertyBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "var"
; MachineName : LPCWSTR optional -> "wstr"
; Reserved : void* optional -> "intptr"
; ※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 SetupDiGetClassRegistryPropertyW(GUID* ClassGuid, DWORD Property, DWORD* PropertyRegDataType, BYTE* PropertyBuffer, DWORD PropertyBufferSize, DWORD* RequiredSize, LPCWSTR MachineName, void* Reserved)
#uselib "SETUPAPI.dll"
#cfunc global SetupDiGetClassRegistryPropertyW "SetupDiGetClassRegistryPropertyW" intptr, int, intptr, intptr, int, intptr, wstr, intptr
; res = SetupDiGetClassRegistryPropertyW(varptr(ClassGuid), Property, varptr(PropertyRegDataType), varptr(PropertyBuffer), PropertyBufferSize, varptr(RequiredSize), MachineName, Reserved)
; ClassGuid : GUID* -> "intptr"
; Property : DWORD -> "int"
; PropertyRegDataType : DWORD* optional, out -> "intptr"
; PropertyBuffer : BYTE* out -> "intptr"
; PropertyBufferSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "intptr"
; MachineName : LPCWSTR optional -> "wstr"
; Reserved : void* optional -> "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")
	procSetupDiGetClassRegistryPropertyW = setupapi.NewProc("SetupDiGetClassRegistryPropertyW")
)

// ClassGuid (GUID*), Property (DWORD), PropertyRegDataType (DWORD* optional, out), PropertyBuffer (BYTE* out), PropertyBufferSize (DWORD), RequiredSize (DWORD* optional, out), MachineName (LPCWSTR optional), Reserved (void* optional)
r1, _, err := procSetupDiGetClassRegistryPropertyW.Call(
	uintptr(ClassGuid),
	uintptr(Property),
	uintptr(PropertyRegDataType),
	uintptr(PropertyBuffer),
	uintptr(PropertyBufferSize),
	uintptr(RequiredSize),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(MachineName))),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupDiGetClassRegistryPropertyW(
  ClassGuid: PGUID;   // GUID*
  Property: DWORD;   // DWORD
  PropertyRegDataType: Pointer;   // DWORD* optional, out
  PropertyBuffer: Pointer;   // BYTE* out
  PropertyBufferSize: DWORD;   // DWORD
  RequiredSize: Pointer;   // DWORD* optional, out
  MachineName: PWideChar;   // LPCWSTR optional
  Reserved: Pointer   // void* optional
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupDiGetClassRegistryPropertyW';

result := DllCall("SETUPAPI\SetupDiGetClassRegistryPropertyW"
    , "Ptr", ClassGuid   ; GUID*
    , "UInt", Property   ; DWORD
    , "Ptr", PropertyRegDataType   ; DWORD* optional, out
    , "Ptr", PropertyBuffer   ; BYTE* out
    , "UInt", PropertyBufferSize   ; DWORD
    , "Ptr", RequiredSize   ; DWORD* optional, out
    , "WStr", MachineName   ; LPCWSTR optional
    , "Ptr", Reserved   ; void* optional
    , "Int")   ; return: BOOL

●SetupDiGetClassRegistryPropertyW(ClassGuid, Property, PropertyRegDataType, PropertyBuffer, PropertyBufferSize, RequiredSize, MachineName, Reserved) = DLL("SETUPAPI.dll", "bool SetupDiGetClassRegistryPropertyW(void*, dword, void*, void*, dword, void*, char*, void*)")
# 呼び出し: SetupDiGetClassRegistryPropertyW(ClassGuid, Property, PropertyRegDataType, PropertyBuffer, PropertyBufferSize, RequiredSize, MachineName, Reserved)
# ClassGuid : GUID* -> "void*"
# Property : DWORD -> "dword"
# PropertyRegDataType : DWORD* optional, out -> "void*"
# PropertyBuffer : BYTE* out -> "void*"
# PropertyBufferSize : DWORD -> "dword"
# RequiredSize : DWORD* optional, out -> "void*"
# MachineName : LPCWSTR optional -> "char*"
# Reserved : void* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。