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DsGetDcOpenA

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ANSI (-A)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// NETAPI32.dll  (ANSI / -A)
#include <windows.h>

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

パラメーター

名前	型	方向
DnsName	LPCSTR	in
OptionFlags	DWORD	in
SiteName	LPCSTR	inoptional
DomainGuid	GUID*	inoptional
DnsForestName	LPCSTR	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  (ANSI / -A)
#include <windows.h>

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

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

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

' DnsName : LPCSTR
' OptionFlags : DWORD
' SiteName : LPCSTR optional
' DomainGuid : GUID* optional
' DnsForestName : LPCSTR optional
' DcFlags : DWORD
' RetGetDcContext : HANDLE* out
Declare PtrSafe Function DsGetDcOpenA Lib "netapi32" ( _
    ByVal DnsName As String, _
    ByVal OptionFlags As Long, _
    ByVal SiteName As String, _
    ByVal DomainGuid As LongPtr, _
    ByVal DnsForestName As String, _
    ByVal DcFlags As Long, _
    ByVal RetGetDcContext As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

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

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
DsGetDcOpenA = Fiddle::Function.new(
  lib['DsGetDcOpenA'],
  [
    Fiddle::TYPE_VOIDP,  # DnsName : LPCSTR
    -Fiddle::TYPE_INT,  # OptionFlags : DWORD
    Fiddle::TYPE_VOIDP,  # SiteName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # DomainGuid : GUID* optional
    Fiddle::TYPE_VOIDP,  # DnsForestName : LPCSTR optional
    -Fiddle::TYPE_INT,  # DcFlags : DWORD
    Fiddle::TYPE_VOIDP,  # RetGetDcContext : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn DsGetDcOpenA(
        DnsName: *const u8,  // LPCSTR
        OptionFlags: u32,  // DWORD
        SiteName: *const u8,  // LPCSTR optional
        DomainGuid: *mut GUID,  // GUID* optional
        DnsForestName: *const u8,  // LPCSTR 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.Ansi)]
public static extern uint DsGetDcOpenA([MarshalAs(UnmanagedType.LPStr)] string DnsName, uint OptionFlags, [MarshalAs(UnmanagedType.LPStr)] string SiteName, IntPtr DomainGuid, [MarshalAs(UnmanagedType.LPStr)] string DnsForestName, uint DcFlags, IntPtr RetGetDcContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DsGetDcOpenA' -Namespace Win32 -PassThru
# $api::DsGetDcOpenA(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)

#uselib "NETAPI32.dll"
#func global DsGetDcOpenA "DsGetDcOpenA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DsGetDcOpenA DnsName, OptionFlags, SiteName, varptr(DomainGuid), DnsForestName, DcFlags, RetGetDcContext   ; 戻り値は stat
; DnsName : LPCSTR -> "sptr"
; OptionFlags : DWORD -> "sptr"
; SiteName : LPCSTR optional -> "sptr"
; DomainGuid : GUID* optional -> "sptr"
; DnsForestName : LPCSTR optional -> "sptr"
; DcFlags : DWORD -> "sptr"
; RetGetDcContext : HANDLE* out -> "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 "NETAPI32.dll"
#cfunc global DsGetDcOpenA "DsGetDcOpenA" str, int, str, var, str, int, sptr
; res = DsGetDcOpenA(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCSTR -> "str"
; OptionFlags : DWORD -> "int"
; SiteName : LPCSTR optional -> "str"
; DomainGuid : GUID* optional -> "var"
; DnsForestName : LPCSTR optional -> "str"
; 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 DsGetDcOpenA "DsGetDcOpenA" str, int, str, sptr, str, int, sptr
; res = DsGetDcOpenA(DnsName, OptionFlags, SiteName, varptr(DomainGuid), DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCSTR -> "str"
; OptionFlags : DWORD -> "int"
; SiteName : LPCSTR optional -> "str"
; DomainGuid : GUID* optional -> "sptr"
; DnsForestName : LPCSTR optional -> "str"
; 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 DsGetDcOpenA(LPCSTR DnsName, DWORD OptionFlags, LPCSTR SiteName, GUID* DomainGuid, LPCSTR DnsForestName, DWORD DcFlags, HANDLE* RetGetDcContext)
#uselib "NETAPI32.dll"
#cfunc global DsGetDcOpenA "DsGetDcOpenA" str, int, str, var, str, int, intptr
; res = DsGetDcOpenA(DnsName, OptionFlags, SiteName, DomainGuid, DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCSTR -> "str"
; OptionFlags : DWORD -> "int"
; SiteName : LPCSTR optional -> "str"
; DomainGuid : GUID* optional -> "var"
; DnsForestName : LPCSTR optional -> "str"
; 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 DsGetDcOpenA(LPCSTR DnsName, DWORD OptionFlags, LPCSTR SiteName, GUID* DomainGuid, LPCSTR DnsForestName, DWORD DcFlags, HANDLE* RetGetDcContext)
#uselib "NETAPI32.dll"
#cfunc global DsGetDcOpenA "DsGetDcOpenA" str, int, str, intptr, str, int, intptr
; res = DsGetDcOpenA(DnsName, OptionFlags, SiteName, varptr(DomainGuid), DnsForestName, DcFlags, RetGetDcContext)
; DnsName : LPCSTR -> "str"
; OptionFlags : DWORD -> "int"
; SiteName : LPCSTR optional -> "str"
; DomainGuid : GUID* optional -> "intptr"
; DnsForestName : LPCSTR optional -> "str"
; 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")
	procDsGetDcOpenA = netapi32.NewProc("DsGetDcOpenA")
)

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

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

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

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