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DsGetDcOpenW

関数

DC検出列挙のためのコンテキストハンドルを開く。

DLLNETAPI32.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// NETAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD DsGetDcOpenW(
    LPCWSTR DnsName,
    DWORD OptionFlags,
    LPCWSTR SiteName,   // optional
    GUID* DomainGuid,   // optional
    LPCWSTR DnsForestName,   // optional
    DWORD DcFlags,
    HANDLE* RetGetDcContext
);

パラメーター

名前	型	方向
DnsName	LPCWSTR	in
OptionFlags	DWORD	in
SiteName	LPCWSTR	inoptional
DomainGuid	GUID*	inoptional
DnsForestName	LPCWSTR	inoptional
DcFlags	DWORD	in
RetGetDcContext	HANDLE*	out

戻り値の型: DWORD

各言語での呼び出し定義

// NETAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD DsGetDcOpenW(
    LPCWSTR DnsName,
    DWORD OptionFlags,
    LPCWSTR SiteName,   // optional
    GUID* DomainGuid,   // optional
    LPCWSTR DnsForestName,   // optional
    DWORD DcFlags,
    HANDLE* RetGetDcContext
);

[DllImport("NETAPI32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint DsGetDcOpenW(
    [MarshalAs(UnmanagedType.LPWStr)] string DnsName,   // LPCWSTR
    uint OptionFlags,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] string SiteName,   // LPCWSTR optional
    IntPtr DomainGuid,   // GUID* optional
    [MarshalAs(UnmanagedType.LPWStr)] string DnsForestName,   // LPCWSTR optional
    uint DcFlags,   // DWORD
    IntPtr RetGetDcContext   // HANDLE* out
);

<DllImport("NETAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DsGetDcOpenW(
    <MarshalAs(UnmanagedType.LPWStr)> DnsName As String,   ' LPCWSTR
    OptionFlags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> SiteName As String,   ' LPCWSTR optional
    DomainGuid As IntPtr,   ' GUID* optional
    <MarshalAs(UnmanagedType.LPWStr)> DnsForestName As String,   ' LPCWSTR optional
    DcFlags As UInteger,   ' DWORD
    RetGetDcContext As IntPtr   ' HANDLE* out
) As UInteger
End Function

' DnsName : LPCWSTR
' OptionFlags : DWORD
' SiteName : LPCWSTR optional
' DomainGuid : GUID* optional
' DnsForestName : LPCWSTR optional
' DcFlags : DWORD
' RetGetDcContext : HANDLE* out
Declare PtrSafe Function DsGetDcOpenW Lib "netapi32" ( _
    ByVal DnsName As LongPtr, _
    ByVal OptionFlags As Long, _
    ByVal SiteName As LongPtr, _
    ByVal DomainGuid As LongPtr, _
    ByVal DnsForestName As LongPtr, _
    ByVal DcFlags As Long, _
    ByVal RetGetDcContext 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

DsGetDcOpenW = ctypes.windll.netapi32.DsGetDcOpenW
DsGetDcOpenW.restype = wintypes.DWORD
DsGetDcOpenW.argtypes = [
    wintypes.LPCWSTR,  # DnsName : LPCWSTR
    wintypes.DWORD,  # OptionFlags : DWORD
    wintypes.LPCWSTR,  # SiteName : LPCWSTR optional
    ctypes.c_void_p,  # DomainGuid : GUID* optional
    wintypes.LPCWSTR,  # DnsForestName : LPCWSTR optional
    wintypes.DWORD,  # DcFlags : DWORD
    ctypes.c_void_p,  # RetGetDcContext : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
DsGetDcOpenW = Fiddle::Function.new(
  lib['DsGetDcOpenW'],
  [
    Fiddle::TYPE_VOIDP,  # DnsName : LPCWSTR
    -Fiddle::TYPE_INT,  # OptionFlags : DWORD
    Fiddle::TYPE_VOIDP,  # SiteName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # DomainGuid : GUID* optional
    Fiddle::TYPE_VOIDP,  # DnsForestName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # DcFlags : DWORD
    Fiddle::TYPE_VOIDP,  # RetGetDcContext : HANDLE* out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "netapi32")]
extern "system" {
    fn DsGetDcOpenW(
        DnsName: *const u16,  // LPCWSTR
        OptionFlags: u32,  // DWORD
        SiteName: *const u16,  // LPCWSTR optional
        DomainGuid: *mut GUID,  // GUID* optional
        DnsForestName: *const u16,  // LPCWSTR optional
        DcFlags: u32,  // DWORD
        RetGetDcContext: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint DsGetDcOpenW([MarshalAs(UnmanagedType.LPWStr)] string DnsName, uint OptionFlags, [MarshalAs(UnmanagedType.LPWStr)] string SiteName, IntPtr DomainGuid, [MarshalAs(UnmanagedType.LPWStr)] string DnsForestName, uint DcFlags, IntPtr RetGetDcContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DsGetDcOpenW' -Namespace Win32 -PassThru
# $api::DsGetDcOpenW(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)

#uselib "NETAPI32.dll"
#func global DsGetDcOpenW "DsGetDcOpenW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; DsGetDcOpenW DnsName, OptionFlags, SiteName, varptr(DomainGuid), DnsForestName, DcFlags, RetGetDcContext   ; 戻り値は stat
; DnsName : LPCWSTR -> "wptr"
; OptionFlags : DWORD -> "wptr"
; SiteName : LPCWSTR optional -> "wptr"
; DomainGuid : GUID* optional -> "wptr"
; DnsForestName : LPCWSTR optional -> "wptr"
; DcFlags : DWORD -> "wptr"
; RetGetDcContext : HANDLE* out -> "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 "NETAPI32.dll"
#cfunc global DsGetDcOpenW "DsGetDcOpenW" wstr, int, wstr, var, wstr, int, sptr
; res = DsGetDcOpenW(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCWSTR -> "wstr"
; OptionFlags : DWORD -> "int"
; SiteName : LPCWSTR optional -> "wstr"
; DomainGuid : GUID* optional -> "var"
; DnsForestName : LPCWSTR optional -> "wstr"
; DcFlags : DWORD -> "int"
; RetGetDcContext : HANDLE* out -> "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 "NETAPI32.dll"
#cfunc global DsGetDcOpenW "DsGetDcOpenW" wstr, int, wstr, sptr, wstr, int, sptr
; res = DsGetDcOpenW(DnsName, OptionFlags, SiteName, varptr(DomainGuid), DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCWSTR -> "wstr"
; OptionFlags : DWORD -> "int"
; SiteName : LPCWSTR optional -> "wstr"
; DomainGuid : GUID* optional -> "sptr"
; DnsForestName : LPCWSTR optional -> "wstr"
; DcFlags : DWORD -> "int"
; RetGetDcContext : HANDLE* out -> "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:

; DWORD DsGetDcOpenW(LPCWSTR DnsName, DWORD OptionFlags, LPCWSTR SiteName, GUID* DomainGuid, LPCWSTR DnsForestName, DWORD DcFlags, HANDLE* RetGetDcContext)
#uselib "NETAPI32.dll"
#cfunc global DsGetDcOpenW "DsGetDcOpenW" wstr, int, wstr, var, wstr, int, intptr
; res = DsGetDcOpenW(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCWSTR -> "wstr"
; OptionFlags : DWORD -> "int"
; SiteName : LPCWSTR optional -> "wstr"
; DomainGuid : GUID* optional -> "var"
; DnsForestName : LPCWSTR optional -> "wstr"
; DcFlags : DWORD -> "int"
; RetGetDcContext : HANDLE* out -> "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。; DWORD DsGetDcOpenW(LPCWSTR DnsName, DWORD OptionFlags, LPCWSTR SiteName, GUID* DomainGuid, LPCWSTR DnsForestName, DWORD DcFlags, HANDLE* RetGetDcContext)
#uselib "NETAPI32.dll"
#cfunc global DsGetDcOpenW "DsGetDcOpenW" wstr, int, wstr, intptr, wstr, int, intptr
; res = DsGetDcOpenW(DnsName, OptionFlags, SiteName, varptr(DomainGuid), DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCWSTR -> "wstr"
; OptionFlags : DWORD -> "int"
; SiteName : LPCWSTR optional -> "wstr"
; DomainGuid : GUID* optional -> "intptr"
; DnsForestName : LPCWSTR optional -> "wstr"
; DcFlags : DWORD -> "int"
; RetGetDcContext : HANDLE* out -> "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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procDsGetDcOpenW = netapi32.NewProc("DsGetDcOpenW")
)

// DnsName (LPCWSTR), OptionFlags (DWORD), SiteName (LPCWSTR optional), DomainGuid (GUID* optional), DnsForestName (LPCWSTR optional), DcFlags (DWORD), RetGetDcContext (HANDLE* out)
r1, _, err := procDsGetDcOpenW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(DnsName))),
	uintptr(OptionFlags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(SiteName))),
	uintptr(DomainGuid),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(DnsForestName))),
	uintptr(DcFlags),
	uintptr(RetGetDcContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DsGetDcOpenW(
  DnsName: PWideChar;   // LPCWSTR
  OptionFlags: DWORD;   // DWORD
  SiteName: PWideChar;   // LPCWSTR optional
  DomainGuid: PGUID;   // GUID* optional
  DnsForestName: PWideChar;   // LPCWSTR optional
  DcFlags: DWORD;   // DWORD
  RetGetDcContext: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsGetDcOpenW';

result := DllCall("NETAPI32\DsGetDcOpenW"
    , "WStr", DnsName   ; LPCWSTR
    , "UInt", OptionFlags   ; DWORD
    , "WStr", SiteName   ; LPCWSTR optional
    , "Ptr", DomainGuid   ; GUID* optional
    , "WStr", DnsForestName   ; LPCWSTR optional
    , "UInt", DcFlags   ; DWORD
    , "Ptr", RetGetDcContext   ; HANDLE* out
    , "UInt")   ; return: DWORD

●DsGetDcOpenW(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext) = DLL("NETAPI32.dll", "dword DsGetDcOpenW(char*, dword, char*, void*, char*, dword, void*)")
# 呼び出し: DsGetDcOpenW(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)
# DnsName : LPCWSTR -> "char*"
# OptionFlags : DWORD -> "dword"
# SiteName : LPCWSTR optional -> "char*"
# DomainGuid : GUID* optional -> "void*"
# DnsForestName : LPCWSTR optional -> "char*"
# DcFlags : DWORD -> "dword"
# RetGetDcContext : HANDLE* out -> "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。