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ホームDevices.DeviceAndDriverInstallation › CM_Get_Device_IDA

CM_Get_Device_IDA

関数
デバイスインスタンスのデバイスIDを取得する。
DLLCFGMGR32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// CFGMGR32.dll  (ANSI / -A)
#include <windows.h>

CONFIGRET CM_Get_Device_IDA(
    DWORD dnDevInst,
    LPSTR Buffer,
    DWORD BufferLen,
    DWORD ulFlags
);

パラメーター

名前方向
dnDevInstDWORDin
BufferLPSTRout
BufferLenDWORDin
ulFlagsDWORDin

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_Get_Device_IDA(
    DWORD dnDevInst,
    LPSTR Buffer,
    DWORD BufferLen,
    DWORD ulFlags
);
[DllImport("CFGMGR32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint CM_Get_Device_IDA(
    uint dnDevInst,   // DWORD
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder Buffer,   // LPSTR out
    uint BufferLen,   // DWORD
    uint ulFlags   // DWORD
);
<DllImport("CFGMGR32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CM_Get_Device_IDA(
    dnDevInst As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> Buffer As System.Text.StringBuilder,   ' LPSTR out
    BufferLen As UInteger,   ' DWORD
    ulFlags As UInteger   ' DWORD
) As UInteger
End Function
' dnDevInst : DWORD
' Buffer : LPSTR out
' BufferLen : DWORD
' ulFlags : DWORD
Declare PtrSafe Function CM_Get_Device_IDA Lib "cfgmgr32" ( _
    ByVal dnDevInst As Long, _
    ByVal Buffer As String, _
    ByVal BufferLen 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_Device_IDA = ctypes.windll.cfgmgr32.CM_Get_Device_IDA
CM_Get_Device_IDA.restype = wintypes.DWORD
CM_Get_Device_IDA.argtypes = [
    wintypes.DWORD,  # dnDevInst : DWORD
    wintypes.LPSTR,  # Buffer : LPSTR out
    wintypes.DWORD,  # BufferLen : DWORD
    wintypes.DWORD,  # ulFlags : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CFGMGR32.dll')
CM_Get_Device_IDA = Fiddle::Function.new(
  lib['CM_Get_Device_IDA'],
  [
    -Fiddle::TYPE_INT,  # dnDevInst : DWORD
    Fiddle::TYPE_VOIDP,  # Buffer : LPSTR out
    -Fiddle::TYPE_INT,  # BufferLen : DWORD
    -Fiddle::TYPE_INT,  # ulFlags : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "cfgmgr32")]
extern "system" {
    fn CM_Get_Device_IDA(
        dnDevInst: u32,  // DWORD
        Buffer: *mut u8,  // LPSTR out
        BufferLen: u32,  // DWORD
        ulFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("CFGMGR32.dll", CharSet = CharSet.Ansi)]
public static extern uint CM_Get_Device_IDA(uint dnDevInst, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder Buffer, uint BufferLen, uint ulFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CFGMGR32_CM_Get_Device_IDA' -Namespace Win32 -PassThru
# $api::CM_Get_Device_IDA(dnDevInst, Buffer, BufferLen, ulFlags)
#uselib "CFGMGR32.dll"
#func global CM_Get_Device_IDA "CM_Get_Device_IDA" sptr, sptr, sptr, sptr
; CM_Get_Device_IDA dnDevInst, varptr(Buffer), BufferLen, ulFlags   ; 戻り値は stat
; dnDevInst : DWORD -> "sptr"
; Buffer : LPSTR out -> "sptr"
; BufferLen : DWORD -> "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_Device_IDA "CM_Get_Device_IDA" int, var, int, int
; res = CM_Get_Device_IDA(dnDevInst, Buffer, BufferLen, ulFlags)
; dnDevInst : DWORD -> "int"
; Buffer : LPSTR out -> "var"
; BufferLen : DWORD -> "int"
; 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。
出力引数:
; CONFIGRET CM_Get_Device_IDA(DWORD dnDevInst, LPSTR Buffer, DWORD BufferLen, DWORD ulFlags)
#uselib "CFGMGR32.dll"
#cfunc global CM_Get_Device_IDA "CM_Get_Device_IDA" int, var, int, int
; res = CM_Get_Device_IDA(dnDevInst, Buffer, BufferLen, ulFlags)
; dnDevInst : DWORD -> "int"
; Buffer : LPSTR out -> "var"
; BufferLen : DWORD -> "int"
; 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	cfgmgr32 = windows.NewLazySystemDLL("CFGMGR32.dll")
	procCM_Get_Device_IDA = cfgmgr32.NewProc("CM_Get_Device_IDA")
)

// dnDevInst (DWORD), Buffer (LPSTR out), BufferLen (DWORD), ulFlags (DWORD)
r1, _, err := procCM_Get_Device_IDA.Call(
	uintptr(dnDevInst),
	uintptr(Buffer),
	uintptr(BufferLen),
	uintptr(ulFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CONFIGRET
function CM_Get_Device_IDA(
  dnDevInst: DWORD;   // DWORD
  Buffer: PAnsiChar;   // LPSTR out
  BufferLen: DWORD;   // DWORD
  ulFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'CFGMGR32.dll' name 'CM_Get_Device_IDA';
result := DllCall("CFGMGR32\CM_Get_Device_IDA"
    , "UInt", dnDevInst   ; DWORD
    , "Ptr", Buffer   ; LPSTR out
    , "UInt", BufferLen   ; DWORD
    , "UInt", ulFlags   ; DWORD
    , "UInt")   ; return: CONFIGRET
●CM_Get_Device_IDA(dnDevInst, Buffer, BufferLen, ulFlags) = DLL("CFGMGR32.dll", "dword CM_Get_Device_IDA(dword, char*, dword, dword)")
# 呼び出し: CM_Get_Device_IDA(dnDevInst, Buffer, BufferLen, ulFlags)
# dnDevInst : DWORD -> "dword"
# Buffer : LPSTR out -> "char*"
# BufferLen : DWORD -> "dword"
# 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)。