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CM_Locate_DevNodeW
関数指定デバイスIDのデバイスノードを検索して取得する。
シグネチャ
// CFGMGR32.dll (Unicode / -W)
#include <windows.h>
CONFIGRET CM_Locate_DevNodeW(
DWORD* pdnDevInst,
LPWSTR pDeviceID, // optional
CM_LOCATE_DEVNODE_FLAGS ulFlags
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pdnDevInst | DWORD* | out |
| pDeviceID | LPWSTR | inoptional |
| ulFlags | CM_LOCATE_DEVNODE_FLAGS | in |
戻り値の型: CONFIGRET
各言語での呼び出し定義
// CFGMGR32.dll (Unicode / -W)
#include <windows.h>
CONFIGRET CM_Locate_DevNodeW(
DWORD* pdnDevInst,
LPWSTR pDeviceID, // optional
CM_LOCATE_DEVNODE_FLAGS ulFlags
);[DllImport("CFGMGR32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint CM_Locate_DevNodeW(
out uint pdnDevInst, // DWORD* out
[MarshalAs(UnmanagedType.LPWStr)] string pDeviceID, // LPWSTR optional
uint ulFlags // CM_LOCATE_DEVNODE_FLAGS
);<DllImport("CFGMGR32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CM_Locate_DevNodeW(
<Out> ByRef pdnDevInst As UInteger, ' DWORD* out
<MarshalAs(UnmanagedType.LPWStr)> pDeviceID As String, ' LPWSTR optional
ulFlags As UInteger ' CM_LOCATE_DEVNODE_FLAGS
) As UInteger
End Function' pdnDevInst : DWORD* out
' pDeviceID : LPWSTR optional
' ulFlags : CM_LOCATE_DEVNODE_FLAGS
Declare PtrSafe Function CM_Locate_DevNodeW Lib "cfgmgr32" ( _
ByRef pdnDevInst As Long, _
ByVal pDeviceID As LongPtr, _
ByVal ulFlags As Long) 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
CM_Locate_DevNodeW = ctypes.windll.cfgmgr32.CM_Locate_DevNodeW
CM_Locate_DevNodeW.restype = wintypes.DWORD
CM_Locate_DevNodeW.argtypes = [
ctypes.POINTER(wintypes.DWORD), # pdnDevInst : DWORD* out
wintypes.LPCWSTR, # pDeviceID : LPWSTR optional
wintypes.DWORD, # ulFlags : CM_LOCATE_DEVNODE_FLAGS
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CFGMGR32.dll')
CM_Locate_DevNodeW = Fiddle::Function.new(
lib['CM_Locate_DevNodeW'],
[
Fiddle::TYPE_VOIDP, # pdnDevInst : DWORD* out
Fiddle::TYPE_VOIDP, # pDeviceID : LPWSTR optional
-Fiddle::TYPE_INT, # ulFlags : CM_LOCATE_DEVNODE_FLAGS
],
-Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "cfgmgr32")]
extern "system" {
fn CM_Locate_DevNodeW(
pdnDevInst: *mut u32, // DWORD* out
pDeviceID: *mut u16, // LPWSTR optional
ulFlags: u32 // CM_LOCATE_DEVNODE_FLAGS
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("CFGMGR32.dll", CharSet = CharSet.Unicode)]
public static extern uint CM_Locate_DevNodeW(out uint pdnDevInst, [MarshalAs(UnmanagedType.LPWStr)] string pDeviceID, uint ulFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CFGMGR32_CM_Locate_DevNodeW' -Namespace Win32 -PassThru
# $api::CM_Locate_DevNodeW(pdnDevInst, pDeviceID, ulFlags)#uselib "CFGMGR32.dll"
#func global CM_Locate_DevNodeW "CM_Locate_DevNodeW" wptr, wptr, wptr
; CM_Locate_DevNodeW varptr(pdnDevInst), pDeviceID, ulFlags ; 戻り値は stat
; pdnDevInst : DWORD* out -> "wptr"
; pDeviceID : LPWSTR optional -> "wptr"
; ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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 "CFGMGR32.dll" #cfunc global CM_Locate_DevNodeW "CM_Locate_DevNodeW" var, wstr, int ; res = CM_Locate_DevNodeW(pdnDevInst, pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "var" ; pDeviceID : LPWSTR optional -> "wstr" ; ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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_Locate_DevNodeW "CM_Locate_DevNodeW" sptr, wstr, int ; res = CM_Locate_DevNodeW(varptr(pdnDevInst), pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "sptr" ; pDeviceID : LPWSTR optional -> "wstr" ; ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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_Locate_DevNodeW(DWORD* pdnDevInst, LPWSTR pDeviceID, CM_LOCATE_DEVNODE_FLAGS ulFlags) #uselib "CFGMGR32.dll" #cfunc global CM_Locate_DevNodeW "CM_Locate_DevNodeW" var, wstr, int ; res = CM_Locate_DevNodeW(pdnDevInst, pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "var" ; pDeviceID : LPWSTR optional -> "wstr" ; ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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_Locate_DevNodeW(DWORD* pdnDevInst, LPWSTR pDeviceID, CM_LOCATE_DEVNODE_FLAGS ulFlags) #uselib "CFGMGR32.dll" #cfunc global CM_Locate_DevNodeW "CM_Locate_DevNodeW" intptr, wstr, int ; res = CM_Locate_DevNodeW(varptr(pdnDevInst), pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "intptr" ; pDeviceID : LPWSTR optional -> "wstr" ; ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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_Locate_DevNodeW = cfgmgr32.NewProc("CM_Locate_DevNodeW")
)
// pdnDevInst (DWORD* out), pDeviceID (LPWSTR optional), ulFlags (CM_LOCATE_DEVNODE_FLAGS)
r1, _, err := procCM_Locate_DevNodeW.Call(
uintptr(pdnDevInst),
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pDeviceID))),
uintptr(ulFlags),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // CONFIGRETfunction CM_Locate_DevNodeW(
pdnDevInst: Pointer; // DWORD* out
pDeviceID: PWideChar; // LPWSTR optional
ulFlags: DWORD // CM_LOCATE_DEVNODE_FLAGS
): DWORD; stdcall;
external 'CFGMGR32.dll' name 'CM_Locate_DevNodeW';result := DllCall("CFGMGR32\CM_Locate_DevNodeW"
, "Ptr", pdnDevInst ; DWORD* out
, "WStr", pDeviceID ; LPWSTR optional
, "UInt", ulFlags ; CM_LOCATE_DEVNODE_FLAGS
, "UInt") ; return: CONFIGRET●CM_Locate_DevNodeW(pdnDevInst, pDeviceID, ulFlags) = DLL("CFGMGR32.dll", "dword CM_Locate_DevNodeW(void*, char*, dword)")
# 呼び出し: CM_Locate_DevNodeW(pdnDevInst, pDeviceID, ulFlags)
# pdnDevInst : DWORD* out -> "void*"
# pDeviceID : LPWSTR optional -> "char*"
# ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。