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DhcpHlprAddV4PolicyExpr

関数
IPv4 DHCPポリシーに論理演算式を追加するヘルパー関数。
DLLDHCPSAPI.dll呼出規約winapi対応OSwindowsserver2012
📘 Microsoft Learn (日本語) · English

シグネチャ

// DHCPSAPI.dll
#include <windows.h>

DWORD DhcpHlprAddV4PolicyExpr(
    DHCP_POLICY* Policy,
    DWORD ParentExpr,
    DHCP_POL_LOGIC_OPER Operator,
    DWORD* ExprIndex
);

パラメーター

名前型方向説明
PolicyDHCP_POLICY*inout式を追加する対象のDHCP_POLICY構造体へのポインタ。
ParentExprDWORDin新しい式を子として追加する親式のインデックス。ルートは0。
OperatorDHCP_POL_LOGIC_OPERin追加する式の論理演算子を指定するDHCP_POL_LOGIC_OPER列挙値(AND/OR)。
ExprIndexDWORD*out追加された式のインデックスを受け取るDWORDへのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

// DHCPSAPI.dll
#include <windows.h>

DWORD DhcpHlprAddV4PolicyExpr(
    DHCP_POLICY* Policy,
    DWORD ParentExpr,
    DHCP_POL_LOGIC_OPER Operator,
    DWORD* ExprIndex
);
[DllImport("DHCPSAPI.dll", ExactSpelling = true)]
static extern uint DhcpHlprAddV4PolicyExpr(
    IntPtr Policy,   // DHCP_POLICY* in/out
    uint ParentExpr,   // DWORD
    int Operator,   // DHCP_POL_LOGIC_OPER
    out uint ExprIndex   // DWORD* out
);
<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpHlprAddV4PolicyExpr(
    Policy As IntPtr,   ' DHCP_POLICY* in/out
    ParentExpr As UInteger,   ' DWORD
    [Operator] As Integer,   ' DHCP_POL_LOGIC_OPER
    <Out> ByRef ExprIndex As UInteger   ' DWORD* out
) As UInteger
End Function
' Policy : DHCP_POLICY* in/out
' ParentExpr : DWORD
' Operator : DHCP_POL_LOGIC_OPER
' ExprIndex : DWORD* out
Declare PtrSafe Function DhcpHlprAddV4PolicyExpr Lib "dhcpsapi" ( _
    ByVal Policy As LongPtr, _
    ByVal ParentExpr As Long, _
    ByVal Operator As Long, _
    ByRef ExprIndex 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

DhcpHlprAddV4PolicyExpr = ctypes.windll.dhcpsapi.DhcpHlprAddV4PolicyExpr
DhcpHlprAddV4PolicyExpr.restype = wintypes.DWORD
DhcpHlprAddV4PolicyExpr.argtypes = [
    ctypes.c_void_p,  # Policy : DHCP_POLICY* in/out
    wintypes.DWORD,  # ParentExpr : DWORD
    ctypes.c_int,  # Operator : DHCP_POL_LOGIC_OPER
    ctypes.POINTER(wintypes.DWORD),  # ExprIndex : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprAddV4PolicyExpr = Fiddle::Function.new(
  lib['DhcpHlprAddV4PolicyExpr'],
  [
    Fiddle::TYPE_VOIDP,  # Policy : DHCP_POLICY* in/out
    -Fiddle::TYPE_INT,  # ParentExpr : DWORD
    Fiddle::TYPE_INT,  # Operator : DHCP_POL_LOGIC_OPER
    Fiddle::TYPE_VOIDP,  # ExprIndex : DWORD* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprAddV4PolicyExpr(
        Policy: *mut DHCP_POLICY,  // DHCP_POLICY* in/out
        ParentExpr: u32,  // DWORD
        Operator: i32,  // DHCP_POL_LOGIC_OPER
        ExprIndex: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpHlprAddV4PolicyExpr(IntPtr Policy, uint ParentExpr, int Operator, out uint ExprIndex);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprAddV4PolicyExpr' -Namespace Win32 -PassThru
# $api::DhcpHlprAddV4PolicyExpr(Policy, ParentExpr, Operator, ExprIndex)
#uselib "DHCPSAPI.dll"
#func global DhcpHlprAddV4PolicyExpr "DhcpHlprAddV4PolicyExpr" sptr, sptr, sptr, sptr
; DhcpHlprAddV4PolicyExpr varptr(Policy), ParentExpr, Operator, varptr(ExprIndex)   ; 戻り値は stat
; Policy : DHCP_POLICY* in/out -> "sptr"
; ParentExpr : DWORD -> "sptr"
; Operator : DHCP_POL_LOGIC_OPER -> "sptr"
; ExprIndex : DWORD* 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 "DHCPSAPI.dll"
#cfunc global DhcpHlprAddV4PolicyExpr "DhcpHlprAddV4PolicyExpr" var, int, int, var
; res = DhcpHlprAddV4PolicyExpr(Policy, ParentExpr, Operator, ExprIndex)
; Policy : DHCP_POLICY* in/out -> "var"
; ParentExpr : DWORD -> "int"
; Operator : DHCP_POL_LOGIC_OPER -> "int"
; ExprIndex : DWORD* out -> "var"
; ※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: 
; DWORD DhcpHlprAddV4PolicyExpr(DHCP_POLICY* Policy, DWORD ParentExpr, DHCP_POL_LOGIC_OPER Operator, DWORD* ExprIndex)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprAddV4PolicyExpr "DhcpHlprAddV4PolicyExpr" var, int, int, var
; res = DhcpHlprAddV4PolicyExpr(Policy, ParentExpr, Operator, ExprIndex)
; Policy : DHCP_POLICY* in/out -> "var"
; ParentExpr : DWORD -> "int"
; Operator : DHCP_POL_LOGIC_OPER -> "int"
; ExprIndex : DWORD* out -> "var"
; ※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 (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpHlprAddV4PolicyExpr = dhcpsapi.NewProc("DhcpHlprAddV4PolicyExpr")
)

// Policy (DHCP_POLICY* in/out), ParentExpr (DWORD), Operator (DHCP_POL_LOGIC_OPER), ExprIndex (DWORD* out)
r1, _, err := procDhcpHlprAddV4PolicyExpr.Call(
	uintptr(Policy),
	uintptr(ParentExpr),
	uintptr(Operator),
	uintptr(ExprIndex),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function DhcpHlprAddV4PolicyExpr(
  Policy: Pointer;   // DHCP_POLICY* in/out
  ParentExpr: DWORD;   // DWORD
  Operator: Integer;   // DHCP_POL_LOGIC_OPER
  ExprIndex: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprAddV4PolicyExpr';
result := DllCall("DHCPSAPI\DhcpHlprAddV4PolicyExpr"
    , "Ptr", Policy   ; DHCP_POLICY* in/out
    , "UInt", ParentExpr   ; DWORD
    , "Int", Operator   ; DHCP_POL_LOGIC_OPER
    , "Ptr", ExprIndex   ; DWORD* out
    , "UInt")   ; return: DWORD
●DhcpHlprAddV4PolicyExpr(Policy, ParentExpr, Operator, ExprIndex) = DLL("DHCPSAPI.dll", "dword DhcpHlprAddV4PolicyExpr(void*, dword, int, void*)")
# 呼び出し: DhcpHlprAddV4PolicyExpr(Policy, ParentExpr, Operator, ExprIndex)
# Policy : DHCP_POLICY* in/out -> "void*"
# ParentExpr : DWORD -> "dword"
# Operator : DHCP_POL_LOGIC_OPER -> "int"
# ExprIndex : DWORD* 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)。