DnsConnectionDeletePolicyEntries

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

DWORD DnsConnectionDeletePolicyEntries(
    DNS_CONNECTION_POLICY_TAG PolicyEntryTag
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsConnectionDeletePolicyEntries(
    PolicyEntryTag As Integer   ' DNS_CONNECTION_POLICY_TAG
) As UInteger
End Function

' PolicyEntryTag : DNS_CONNECTION_POLICY_TAG
Declare PtrSafe Function DnsConnectionDeletePolicyEntries Lib "dnsapi" ( _
    ByVal PolicyEntryTag 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

DnsConnectionDeletePolicyEntries = ctypes.windll.dnsapi.DnsConnectionDeletePolicyEntries
DnsConnectionDeletePolicyEntries.restype = wintypes.DWORD
DnsConnectionDeletePolicyEntries.argtypes = [
    ctypes.c_int,  # PolicyEntryTag : DNS_CONNECTION_POLICY_TAG
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsConnectionDeletePolicyEntries = Fiddle::Function.new(
  lib['DnsConnectionDeletePolicyEntries'],
  [
    Fiddle::TYPE_INT,  # PolicyEntryTag : DNS_CONNECTION_POLICY_TAG
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsConnectionDeletePolicyEntries(
        PolicyEntryTag: i32  // DNS_CONNECTION_POLICY_TAG
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll")]
public static extern uint DnsConnectionDeletePolicyEntries(int PolicyEntryTag);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsConnectionDeletePolicyEntries' -Namespace Win32 -PassThru
# $api::DnsConnectionDeletePolicyEntries(PolicyEntryTag)

#uselib "DNSAPI.dll"
#func global DnsConnectionDeletePolicyEntries "DnsConnectionDeletePolicyEntries" sptr
; DnsConnectionDeletePolicyEntries PolicyEntryTag   ; 戻り値は stat
; PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "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。

#uselib "DNSAPI.dll"
#cfunc global DnsConnectionDeletePolicyEntries "DnsConnectionDeletePolicyEntries" int
; res = DnsConnectionDeletePolicyEntries(PolicyEntryTag)
; PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "int"

; DWORD DnsConnectionDeletePolicyEntries(DNS_CONNECTION_POLICY_TAG PolicyEntryTag)
#uselib "DNSAPI.dll"
#cfunc global DnsConnectionDeletePolicyEntries "DnsConnectionDeletePolicyEntries" int
; res = DnsConnectionDeletePolicyEntries(PolicyEntryTag)
; PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsConnectionDeletePolicyEntries = dnsapi.NewProc("DnsConnectionDeletePolicyEntries")
)

// PolicyEntryTag (DNS_CONNECTION_POLICY_TAG)
r1, _, err := procDnsConnectionDeletePolicyEntries.Call(
	uintptr(PolicyEntryTag),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DnsConnectionDeletePolicyEntries(
  PolicyEntryTag: Integer   // DNS_CONNECTION_POLICY_TAG
): DWORD; stdcall;
  external 'DNSAPI.dll' name 'DnsConnectionDeletePolicyEntries';

result := DllCall("DNSAPI\DnsConnectionDeletePolicyEntries"
    , "Int", PolicyEntryTag   ; DNS_CONNECTION_POLICY_TAG
    , "UInt")   ; return: DWORD

●DnsConnectionDeletePolicyEntries(PolicyEntryTag) = DLL("DNSAPI.dll", "dword DnsConnectionDeletePolicyEntries(int)")
# 呼び出し: DnsConnectionDeletePolicyEntries(PolicyEntryTag)
# PolicyEntryTag : DNS_CONNECTION_POLICY_TAG -> "int"
# 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)。