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CM_Get_Class_PropertyW

関数

デバイスセットアップクラスのデバイスプロパティを取得する。

DLLCFGMGR32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// CFGMGR32.dll
#include <windows.h>

CONFIGRET CM_Get_Class_PropertyW(
    const GUID* ClassGUID,
    const DEVPROPKEY* PropertyKey,
    DEVPROPTYPE* PropertyType,
    BYTE* PropertyBuffer,   // optional
    DWORD* PropertyBufferSize,
    DWORD ulFlags
);

パラメーター

名前	型	方向
ClassGUID	GUID*	in
PropertyKey	DEVPROPKEY*	in
PropertyType	DEVPROPTYPE*	out
PropertyBuffer	BYTE*	outoptional
PropertyBufferSize	DWORD*	inout
ulFlags	DWORD	in

戻り値の型: CONFIGRET

各言語での呼び出し定義

// CFGMGR32.dll
#include <windows.h>

CONFIGRET CM_Get_Class_PropertyW(
    const GUID* ClassGUID,
    const DEVPROPKEY* PropertyKey,
    DEVPROPTYPE* PropertyType,
    BYTE* PropertyBuffer,   // optional
    DWORD* PropertyBufferSize,
    DWORD ulFlags
);

[DllImport("CFGMGR32.dll", ExactSpelling = true)]
static extern uint CM_Get_Class_PropertyW(
    ref Guid ClassGUID,   // GUID*
    IntPtr PropertyKey,   // DEVPROPKEY*
    out uint PropertyType,   // DEVPROPTYPE* out
    IntPtr PropertyBuffer,   // BYTE* optional, out
    ref uint PropertyBufferSize,   // DWORD* in/out
    uint ulFlags   // DWORD
);

<DllImport("CFGMGR32.dll", ExactSpelling:=True)>
Public Shared Function CM_Get_Class_PropertyW(
    ByRef ClassGUID As Guid,   ' GUID*
    PropertyKey As IntPtr,   ' DEVPROPKEY*
    <Out> ByRef PropertyType As UInteger,   ' DEVPROPTYPE* out
    PropertyBuffer As IntPtr,   ' BYTE* optional, out
    ByRef PropertyBufferSize As UInteger,   ' DWORD* in/out
    ulFlags As UInteger   ' DWORD
) As UInteger
End Function

' ClassGUID : GUID*
' PropertyKey : DEVPROPKEY*
' PropertyType : DEVPROPTYPE* out
' PropertyBuffer : BYTE* optional, out
' PropertyBufferSize : DWORD* in/out
' ulFlags : DWORD
Declare PtrSafe Function CM_Get_Class_PropertyW Lib "cfgmgr32" ( _
    ByVal ClassGUID As LongPtr, _
    ByVal PropertyKey As LongPtr, _
    ByRef PropertyType As Long, _
    ByVal PropertyBuffer As LongPtr, _
    ByRef PropertyBufferSize As Long, _
    ByVal ulFlags 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

CM_Get_Class_PropertyW = ctypes.windll.cfgmgr32.CM_Get_Class_PropertyW
CM_Get_Class_PropertyW.restype = wintypes.DWORD
CM_Get_Class_PropertyW.argtypes = [
    ctypes.c_void_p,  # ClassGUID : GUID*
    ctypes.c_void_p,  # PropertyKey : DEVPROPKEY*
    ctypes.c_void_p,  # PropertyType : DEVPROPTYPE* out
    ctypes.POINTER(ctypes.c_ubyte),  # PropertyBuffer : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # PropertyBufferSize : DWORD* in/out
    wintypes.DWORD,  # ulFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CFGMGR32.dll')
CM_Get_Class_PropertyW = Fiddle::Function.new(
  lib['CM_Get_Class_PropertyW'],
  [
    Fiddle::TYPE_VOIDP,  # ClassGUID : GUID*
    Fiddle::TYPE_VOIDP,  # PropertyKey : DEVPROPKEY*
    Fiddle::TYPE_VOIDP,  # PropertyType : DEVPROPTYPE* out
    Fiddle::TYPE_VOIDP,  # PropertyBuffer : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # PropertyBufferSize : DWORD* in/out
    -Fiddle::TYPE_INT,  # ulFlags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "cfgmgr32")]
extern "system" {
    fn CM_Get_Class_PropertyW(
        ClassGUID: *const GUID,  // GUID*
        PropertyKey: *const DEVPROPKEY,  // DEVPROPKEY*
        PropertyType: *mut u32,  // DEVPROPTYPE* out
        PropertyBuffer: *mut u8,  // BYTE* optional, out
        PropertyBufferSize: *mut u32,  // DWORD* in/out
        ulFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CFGMGR32.dll")]
public static extern uint CM_Get_Class_PropertyW(ref Guid ClassGUID, IntPtr PropertyKey, out uint PropertyType, IntPtr PropertyBuffer, ref uint PropertyBufferSize, uint ulFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CFGMGR32_CM_Get_Class_PropertyW' -Namespace Win32 -PassThru
# $api::CM_Get_Class_PropertyW(ClassGUID, PropertyKey, PropertyType, PropertyBuffer, PropertyBufferSize, ulFlags)

#uselib "CFGMGR32.dll"
#func global CM_Get_Class_PropertyW "CM_Get_Class_PropertyW" sptr, sptr, sptr, sptr, sptr, sptr
; CM_Get_Class_PropertyW varptr(ClassGUID), varptr(PropertyKey), PropertyType, varptr(PropertyBuffer), varptr(PropertyBufferSize), ulFlags   ; 戻り値は stat
; ClassGUID : GUID* -> "sptr"
; PropertyKey : DEVPROPKEY* -> "sptr"
; PropertyType : DEVPROPTYPE* out -> "sptr"
; PropertyBuffer : BYTE* optional, out -> "sptr"
; PropertyBufferSize : DWORD* in/out -> "sptr"
; ulFlags : 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。

出力引数:

#uselib "CFGMGR32.dll"
#cfunc global CM_Get_Class_PropertyW "CM_Get_Class_PropertyW" var, var, int, var, var, int
; res = CM_Get_Class_PropertyW(ClassGUID, PropertyKey, PropertyType, PropertyBuffer, PropertyBufferSize, ulFlags)
; ClassGUID : GUID* -> "var"
; PropertyKey : DEVPROPKEY* -> "var"
; PropertyType : DEVPROPTYPE* out -> "int"
; PropertyBuffer : BYTE* optional, out -> "var"
; PropertyBufferSize : DWORD* in/out -> "var"
; ulFlags : DWORD -> "int"
; ※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 "CFGMGR32.dll"
#cfunc global CM_Get_Class_PropertyW "CM_Get_Class_PropertyW" sptr, sptr, int, sptr, sptr, int
; res = CM_Get_Class_PropertyW(varptr(ClassGUID), varptr(PropertyKey), PropertyType, varptr(PropertyBuffer), varptr(PropertyBufferSize), ulFlags)
; ClassGUID : GUID* -> "sptr"
; PropertyKey : DEVPROPKEY* -> "sptr"
; PropertyType : DEVPROPTYPE* out -> "int"
; PropertyBuffer : BYTE* optional, out -> "sptr"
; PropertyBufferSize : DWORD* in/out -> "sptr"
; ulFlags : DWORD -> "int"
; ※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:

; CONFIGRET CM_Get_Class_PropertyW(GUID* ClassGUID, DEVPROPKEY* PropertyKey, DEVPROPTYPE* PropertyType, BYTE* PropertyBuffer, DWORD* PropertyBufferSize, DWORD ulFlags)
#uselib "CFGMGR32.dll"
#cfunc global CM_Get_Class_PropertyW "CM_Get_Class_PropertyW" var, var, int, var, var, int
; res = CM_Get_Class_PropertyW(ClassGUID, PropertyKey, PropertyType, PropertyBuffer, PropertyBufferSize, ulFlags)
; ClassGUID : GUID* -> "var"
; PropertyKey : DEVPROPKEY* -> "var"
; PropertyType : DEVPROPTYPE* out -> "int"
; PropertyBuffer : BYTE* optional, out -> "var"
; PropertyBufferSize : DWORD* in/out -> "var"
; ulFlags : DWORD -> "int"
; ※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。; CONFIGRET CM_Get_Class_PropertyW(GUID* ClassGUID, DEVPROPKEY* PropertyKey, DEVPROPTYPE* PropertyType, BYTE* PropertyBuffer, DWORD* PropertyBufferSize, DWORD ulFlags)
#uselib "CFGMGR32.dll"
#cfunc global CM_Get_Class_PropertyW "CM_Get_Class_PropertyW" intptr, intptr, int, intptr, intptr, int
; res = CM_Get_Class_PropertyW(varptr(ClassGUID), varptr(PropertyKey), PropertyType, varptr(PropertyBuffer), varptr(PropertyBufferSize), ulFlags)
; ClassGUID : GUID* -> "intptr"
; PropertyKey : DEVPROPKEY* -> "intptr"
; PropertyType : DEVPROPTYPE* out -> "int"
; PropertyBuffer : BYTE* optional, out -> "intptr"
; PropertyBufferSize : DWORD* in/out -> "intptr"
; ulFlags : DWORD -> "int"
; ※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 (
	cfgmgr32 = windows.NewLazySystemDLL("CFGMGR32.dll")
	procCM_Get_Class_PropertyW = cfgmgr32.NewProc("CM_Get_Class_PropertyW")
)

// ClassGUID (GUID*), PropertyKey (DEVPROPKEY*), PropertyType (DEVPROPTYPE* out), PropertyBuffer (BYTE* optional, out), PropertyBufferSize (DWORD* in/out), ulFlags (DWORD)
r1, _, err := procCM_Get_Class_PropertyW.Call(
	uintptr(ClassGUID),
	uintptr(PropertyKey),
	uintptr(PropertyType),
	uintptr(PropertyBuffer),
	uintptr(PropertyBufferSize),
	uintptr(ulFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CONFIGRET

function CM_Get_Class_PropertyW(
  ClassGUID: PGUID;   // GUID*
  PropertyKey: Pointer;   // DEVPROPKEY*
  PropertyType: Pointer;   // DEVPROPTYPE* out
  PropertyBuffer: Pointer;   // BYTE* optional, out
  PropertyBufferSize: Pointer;   // DWORD* in/out
  ulFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'CFGMGR32.dll' name 'CM_Get_Class_PropertyW';

result := DllCall("CFGMGR32\CM_Get_Class_PropertyW"
    , "Ptr", ClassGUID   ; GUID*
    , "Ptr", PropertyKey   ; DEVPROPKEY*
    , "Ptr", PropertyType   ; DEVPROPTYPE* out
    , "Ptr", PropertyBuffer   ; BYTE* optional, out
    , "Ptr", PropertyBufferSize   ; DWORD* in/out
    , "UInt", ulFlags   ; DWORD
    , "UInt")   ; return: CONFIGRET

●CM_Get_Class_PropertyW(ClassGUID, PropertyKey, PropertyType, PropertyBuffer, PropertyBufferSize, ulFlags) = DLL("CFGMGR32.dll", "dword CM_Get_Class_PropertyW(void*, void*, void*, void*, void*, dword)")
# 呼び出し: CM_Get_Class_PropertyW(ClassGUID, PropertyKey, PropertyType, PropertyBuffer, PropertyBufferSize, ulFlags)
# ClassGUID : GUID* -> "void*"
# PropertyKey : DEVPROPKEY* -> "void*"
# PropertyType : DEVPROPTYPE* out -> "void*"
# PropertyBuffer : BYTE* optional, out -> "void*"
# PropertyBufferSize : DWORD* in/out -> "void*"
# ulFlags : 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)。