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CM_Locate_DevNodeA
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// CFGMGR32.dll (ANSI / -A)
#include <windows.h>
CONFIGRET CM_Locate_DevNodeA(
DWORD* pdnDevInst,
LPSTR pDeviceID, // optional
CM_LOCATE_DEVNODE_FLAGS ulFlags
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pdnDevInst | DWORD* | out |
| pDeviceID | LPSTR | 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 (ANSI / -A)
#include <windows.h>
CONFIGRET CM_Locate_DevNodeA(
DWORD* pdnDevInst,
LPSTR pDeviceID, // optional
CM_LOCATE_DEVNODE_FLAGS ulFlags
);[DllImport("CFGMGR32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint CM_Locate_DevNodeA(
out uint pdnDevInst, // DWORD* out
[MarshalAs(UnmanagedType.LPStr)] string pDeviceID, // LPSTR optional
uint ulFlags // CM_LOCATE_DEVNODE_FLAGS
);<DllImport("CFGMGR32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CM_Locate_DevNodeA(
<Out> ByRef pdnDevInst As UInteger, ' DWORD* out
<MarshalAs(UnmanagedType.LPStr)> pDeviceID As String, ' LPSTR optional
ulFlags As UInteger ' CM_LOCATE_DEVNODE_FLAGS
) As UInteger
End Function' pdnDevInst : DWORD* out
' pDeviceID : LPSTR optional
' ulFlags : CM_LOCATE_DEVNODE_FLAGS
Declare PtrSafe Function CM_Locate_DevNodeA Lib "cfgmgr32" ( _
ByRef pdnDevInst As Long, _
ByVal pDeviceID As String, _
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_Locate_DevNodeA = ctypes.windll.cfgmgr32.CM_Locate_DevNodeA
CM_Locate_DevNodeA.restype = wintypes.DWORD
CM_Locate_DevNodeA.argtypes = [
ctypes.POINTER(wintypes.DWORD), # pdnDevInst : DWORD* out
wintypes.LPCSTR, # pDeviceID : LPSTR optional
wintypes.DWORD, # ulFlags : CM_LOCATE_DEVNODE_FLAGS
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CFGMGR32.dll')
CM_Locate_DevNodeA = Fiddle::Function.new(
lib['CM_Locate_DevNodeA'],
[
Fiddle::TYPE_VOIDP, # pdnDevInst : DWORD* out
Fiddle::TYPE_VOIDP, # pDeviceID : LPSTR optional
-Fiddle::TYPE_INT, # ulFlags : CM_LOCATE_DEVNODE_FLAGS
],
-Fiddle::TYPE_INT)#[link(name = "cfgmgr32")]
extern "system" {
fn CM_Locate_DevNodeA(
pdnDevInst: *mut u32, // DWORD* out
pDeviceID: *mut u8, // LPSTR optional
ulFlags: u32 // CM_LOCATE_DEVNODE_FLAGS
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("CFGMGR32.dll", CharSet = CharSet.Ansi)]
public static extern uint CM_Locate_DevNodeA(out uint pdnDevInst, [MarshalAs(UnmanagedType.LPStr)] string pDeviceID, uint ulFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CFGMGR32_CM_Locate_DevNodeA' -Namespace Win32 -PassThru
# $api::CM_Locate_DevNodeA(pdnDevInst, pDeviceID, ulFlags)#uselib "CFGMGR32.dll"
#func global CM_Locate_DevNodeA "CM_Locate_DevNodeA" sptr, sptr, sptr
; CM_Locate_DevNodeA varptr(pdnDevInst), pDeviceID, ulFlags ; 戻り値は stat
; pdnDevInst : DWORD* out -> "sptr"
; pDeviceID : LPSTR optional -> "sptr"
; ulFlags : CM_LOCATE_DEVNODE_FLAGS -> "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_Locate_DevNodeA "CM_Locate_DevNodeA" var, str, int ; res = CM_Locate_DevNodeA(pdnDevInst, pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "var" ; pDeviceID : LPSTR optional -> "str" ; 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_DevNodeA "CM_Locate_DevNodeA" sptr, str, int ; res = CM_Locate_DevNodeA(varptr(pdnDevInst), pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "sptr" ; pDeviceID : LPSTR optional -> "str" ; 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_DevNodeA(DWORD* pdnDevInst, LPSTR pDeviceID, CM_LOCATE_DEVNODE_FLAGS ulFlags) #uselib "CFGMGR32.dll" #cfunc global CM_Locate_DevNodeA "CM_Locate_DevNodeA" var, str, int ; res = CM_Locate_DevNodeA(pdnDevInst, pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "var" ; pDeviceID : LPSTR optional -> "str" ; 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_DevNodeA(DWORD* pdnDevInst, LPSTR pDeviceID, CM_LOCATE_DEVNODE_FLAGS ulFlags) #uselib "CFGMGR32.dll" #cfunc global CM_Locate_DevNodeA "CM_Locate_DevNodeA" intptr, str, int ; res = CM_Locate_DevNodeA(varptr(pdnDevInst), pDeviceID, ulFlags) ; pdnDevInst : DWORD* out -> "intptr" ; pDeviceID : LPSTR optional -> "str" ; 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_DevNodeA = cfgmgr32.NewProc("CM_Locate_DevNodeA")
)
// pdnDevInst (DWORD* out), pDeviceID (LPSTR optional), ulFlags (CM_LOCATE_DEVNODE_FLAGS)
r1, _, err := procCM_Locate_DevNodeA.Call(
uintptr(pdnDevInst),
uintptr(unsafe.Pointer(windows.BytePtrFromString(pDeviceID))),
uintptr(ulFlags),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // CONFIGRETfunction CM_Locate_DevNodeA(
pdnDevInst: Pointer; // DWORD* out
pDeviceID: PAnsiChar; // LPSTR optional
ulFlags: DWORD // CM_LOCATE_DEVNODE_FLAGS
): DWORD; stdcall;
external 'CFGMGR32.dll' name 'CM_Locate_DevNodeA';result := DllCall("CFGMGR32\CM_Locate_DevNodeA"
, "Ptr", pdnDevInst ; DWORD* out
, "AStr", pDeviceID ; LPSTR optional
, "UInt", ulFlags ; CM_LOCATE_DEVNODE_FLAGS
, "UInt") ; return: CONFIGRET●CM_Locate_DevNodeA(pdnDevInst, pDeviceID, ulFlags) = DLL("CFGMGR32.dll", "dword CM_Locate_DevNodeA(void*, char*, dword)")
# 呼び出し: CM_Locate_DevNodeA(pdnDevInst, pDeviceID, ulFlags)
# pdnDevInst : DWORD* out -> "void*"
# pDeviceID : LPSTR 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)。