DnsConnectionDeleteProxyInfo

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

DWORD DnsConnectionDeleteProxyInfo(
    LPCWSTR pwszConnectionName,
    DNS_CONNECTION_PROXY_TYPE Type
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsConnectionDeleteProxyInfo(
    <MarshalAs(UnmanagedType.LPWStr)> pwszConnectionName As String,   ' LPCWSTR
    Type As Integer   ' DNS_CONNECTION_PROXY_TYPE
) As UInteger
End Function

' pwszConnectionName : LPCWSTR
' Type : DNS_CONNECTION_PROXY_TYPE
Declare PtrSafe Function DnsConnectionDeleteProxyInfo Lib "dnsapi" ( _
    ByVal pwszConnectionName As LongPtr, _
    ByVal Type 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

DnsConnectionDeleteProxyInfo = ctypes.windll.dnsapi.DnsConnectionDeleteProxyInfo
DnsConnectionDeleteProxyInfo.restype = wintypes.DWORD
DnsConnectionDeleteProxyInfo.argtypes = [
    wintypes.LPCWSTR,  # pwszConnectionName : LPCWSTR
    ctypes.c_int,  # Type : DNS_CONNECTION_PROXY_TYPE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsConnectionDeleteProxyInfo = Fiddle::Function.new(
  lib['DnsConnectionDeleteProxyInfo'],
  [
    Fiddle::TYPE_VOIDP,  # pwszConnectionName : LPCWSTR
    Fiddle::TYPE_INT,  # Type : DNS_CONNECTION_PROXY_TYPE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsConnectionDeleteProxyInfo(
        pwszConnectionName: *const u16,  // LPCWSTR
        Type: i32  // DNS_CONNECTION_PROXY_TYPE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll")]
public static extern uint DnsConnectionDeleteProxyInfo([MarshalAs(UnmanagedType.LPWStr)] string pwszConnectionName, int Type);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsConnectionDeleteProxyInfo' -Namespace Win32 -PassThru
# $api::DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)

#uselib "DNSAPI.dll"
#func global DnsConnectionDeleteProxyInfo "DnsConnectionDeleteProxyInfo" sptr, sptr
; DnsConnectionDeleteProxyInfo pwszConnectionName, Type   ; 戻り値は stat
; pwszConnectionName : LPCWSTR -> "sptr"
; Type : DNS_CONNECTION_PROXY_TYPE -> "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 DnsConnectionDeleteProxyInfo "DnsConnectionDeleteProxyInfo" wstr, int
; res = DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)
; pwszConnectionName : LPCWSTR -> "wstr"
; Type : DNS_CONNECTION_PROXY_TYPE -> "int"

; DWORD DnsConnectionDeleteProxyInfo(LPCWSTR pwszConnectionName, DNS_CONNECTION_PROXY_TYPE Type)
#uselib "DNSAPI.dll"
#cfunc global DnsConnectionDeleteProxyInfo "DnsConnectionDeleteProxyInfo" wstr, int
; res = DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)
; pwszConnectionName : LPCWSTR -> "wstr"
; Type : DNS_CONNECTION_PROXY_TYPE -> "int"

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

var (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsConnectionDeleteProxyInfo = dnsapi.NewProc("DnsConnectionDeleteProxyInfo")
)

// pwszConnectionName (LPCWSTR), Type (DNS_CONNECTION_PROXY_TYPE)
r1, _, err := procDnsConnectionDeleteProxyInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszConnectionName))),
	uintptr(Type),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DnsConnectionDeleteProxyInfo(
  pwszConnectionName: PWideChar;   // LPCWSTR
  Type: Integer   // DNS_CONNECTION_PROXY_TYPE
): DWORD; stdcall;
  external 'DNSAPI.dll' name 'DnsConnectionDeleteProxyInfo';

result := DllCall("DNSAPI\DnsConnectionDeleteProxyInfo"
    , "WStr", pwszConnectionName   ; LPCWSTR
    , "Int", Type   ; DNS_CONNECTION_PROXY_TYPE
    , "UInt")   ; return: DWORD

●DnsConnectionDeleteProxyInfo(pwszConnectionName, Type) = DLL("DNSAPI.dll", "dword DnsConnectionDeleteProxyInfo(char*, int)")
# 呼び出し: DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)
# pwszConnectionName : LPCWSTR -> "char*"
# Type : DNS_CONNECTION_PROXY_TYPE -> "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)。

const std = @import("std");

extern "dnsapi" fn DnsConnectionDeleteProxyInfo(
    pwszConnectionName: [*c]const u16, // LPCWSTR
    Type: i32 // DNS_CONNECTION_PROXY_TYPE
) callconv(std.os.windows.WINAPI) u32;

proc DnsConnectionDeleteProxyInfo(
    pwszConnectionName: WideCString,  # LPCWSTR
    Type: int32  # DNS_CONNECTION_PROXY_TYPE
): uint32 {.importc: "DnsConnectionDeleteProxyInfo", stdcall, dynlib: "DNSAPI.dll".}

pragma(lib, "dnsapi");
extern(Windows)
uint DnsConnectionDeleteProxyInfo(
    const(wchar)* pwszConnectionName,   // LPCWSTR
    int Type   // DNS_CONNECTION_PROXY_TYPE
);

ccall((:DnsConnectionDeleteProxyInfo, "DNSAPI.dll"), stdcall, UInt32,
      (Cwstring, Int32),
      pwszConnectionName, Type)
# pwszConnectionName : LPCWSTR -> Cwstring
# Type : DNS_CONNECTION_PROXY_TYPE -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DnsConnectionDeleteProxyInfo(
    const uint16_t* pwszConnectionName,
    int32_t Type);
]]
local dnsapi = ffi.load("dnsapi")
-- dnsapi.DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)
-- pwszConnectionName : LPCWSTR
-- Type : DNS_CONNECTION_PROXY_TYPE
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('DNSAPI.dll');
const DnsConnectionDeleteProxyInfo = lib.func('__stdcall', 'DnsConnectionDeleteProxyInfo', 'uint32_t', ['str16', 'int32_t']);
// DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)
// pwszConnectionName : LPCWSTR -> 'str16'
// Type : DNS_CONNECTION_PROXY_TYPE -> 'int32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("DNSAPI.dll", {
  DnsConnectionDeleteProxyInfo: { parameters: ["buffer", "i32"], result: "u32" },
});
// lib.symbols.DnsConnectionDeleteProxyInfo(pwszConnectionName, Type)
// pwszConnectionName : LPCWSTR -> "buffer"
// Type : DNS_CONNECTION_PROXY_TYPE -> "i32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t DnsConnectionDeleteProxyInfo(
    const uint16_t* pwszConnectionName,
    int32_t Type);
C, "DNSAPI.dll");
// $ffi->DnsConnectionDeleteProxyInfo(pwszConnectionName, Type);
// pwszConnectionName : LPCWSTR
// Type : DNS_CONNECTION_PROXY_TYPE
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Dnsapi extends StdCallLibrary {
    Dnsapi INSTANCE = Native.load("dnsapi", Dnsapi.class);
    int DnsConnectionDeleteProxyInfo(
        WString pwszConnectionName,   // LPCWSTR
        int Type   // DNS_CONNECTION_PROXY_TYPE
    );
}

@[Link("dnsapi")]
lib LibDNSAPI
  fun DnsConnectionDeleteProxyInfo = DnsConnectionDeleteProxyInfo(
    pwszConnectionName : UInt16*,   # LPCWSTR
    Type : Int32   # DNS_CONNECTION_PROXY_TYPE
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DnsConnectionDeleteProxyInfoNative = Uint32 Function(Pointer<Utf16>, Int32);
typedef DnsConnectionDeleteProxyInfoDart = int Function(Pointer<Utf16>, int);
final DnsConnectionDeleteProxyInfo = DynamicLibrary.open('DNSAPI.dll')
    .lookupFunction<DnsConnectionDeleteProxyInfoNative, DnsConnectionDeleteProxyInfoDart>('DnsConnectionDeleteProxyInfo');
// pwszConnectionName : LPCWSTR -> Pointer<Utf16>
// Type : DNS_CONNECTION_PROXY_TYPE -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DnsConnectionDeleteProxyInfo(
  pwszConnectionName: PWideChar;   // LPCWSTR
  Type: Integer   // DNS_CONNECTION_PROXY_TYPE
): DWORD; stdcall;
  external 'DNSAPI.dll' name 'DnsConnectionDeleteProxyInfo';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DnsConnectionDeleteProxyInfo"
  c_DnsConnectionDeleteProxyInfo :: CWString -> Int32 -> IO Word32
-- pwszConnectionName : LPCWSTR -> CWString
-- Type : DNS_CONNECTION_PROXY_TYPE -> Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let dnsconnectiondeleteproxyinfo =
  foreign "DnsConnectionDeleteProxyInfo"
    ((ptr uint16_t) @-> int32_t @-> returning uint32_t)
(* pwszConnectionName : LPCWSTR -> (ptr uint16_t) *)
(* Type : DNS_CONNECTION_PROXY_TYPE -> int32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library dnsapi (t "DNSAPI.dll"))
(cffi:use-foreign-library dnsapi)

(cffi:defcfun ("DnsConnectionDeleteProxyInfo" dns-connection-delete-proxy-info :convention :stdcall) :uint32
  (pwsz-connection-name (:string :encoding :utf-16le))   ; LPCWSTR
  (type :int32))   ; DNS_CONNECTION_PROXY_TYPE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DnsConnectionDeleteProxyInfo = Win32::API::More->new('DNSAPI',
    'DWORD DnsConnectionDeleteProxyInfo(LPCWSTR pwszConnectionName, int Type)');
# my $ret = $DnsConnectionDeleteProxyInfo->Call($pwszConnectionName, $Type);
# pwszConnectionName : LPCWSTR -> LPCWSTR
# Type : DNS_CONNECTION_PROXY_TYPE -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。