ResumeSuspendedDownload

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

BOOL ResumeSuspendedDownload(
    void* hRequest,
    DWORD dwResultCode
);

<DllImport("WININET.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ResumeSuspendedDownload(
    hRequest As IntPtr,   ' void*
    dwResultCode As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hRequest : void*
' dwResultCode : DWORD
Declare PtrSafe Function ResumeSuspendedDownload Lib "wininet" ( _
    ByVal hRequest As LongPtr, _
    ByVal dwResultCode 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

ResumeSuspendedDownload = ctypes.windll.wininet.ResumeSuspendedDownload
ResumeSuspendedDownload.restype = wintypes.BOOL
ResumeSuspendedDownload.argtypes = [
    ctypes.POINTER(None),  # hRequest : void*
    wintypes.DWORD,  # dwResultCode : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
ResumeSuspendedDownload = Fiddle::Function.new(
  lib['ResumeSuspendedDownload'],
  [
    Fiddle::TYPE_VOIDP,  # hRequest : void*
    -Fiddle::TYPE_INT,  # dwResultCode : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn ResumeSuspendedDownload(
        hRequest: *mut (),  // void*
        dwResultCode: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", SetLastError = true)]
public static extern bool ResumeSuspendedDownload(IntPtr hRequest, uint dwResultCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_ResumeSuspendedDownload' -Namespace Win32 -PassThru
# $api::ResumeSuspendedDownload(hRequest, dwResultCode)

#uselib "WININET.dll"
#func global ResumeSuspendedDownload "ResumeSuspendedDownload" sptr, sptr
; ResumeSuspendedDownload hRequest, dwResultCode   ; 戻り値は stat
; hRequest : void* -> "sptr"
; dwResultCode : DWORD -> "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 "WININET.dll"
#cfunc global ResumeSuspendedDownload "ResumeSuspendedDownload" sptr, int
; res = ResumeSuspendedDownload(hRequest, dwResultCode)
; hRequest : void* -> "sptr"
; dwResultCode : DWORD -> "int"

; BOOL ResumeSuspendedDownload(void* hRequest, DWORD dwResultCode)
#uselib "WININET.dll"
#cfunc global ResumeSuspendedDownload "ResumeSuspendedDownload" intptr, int
; res = ResumeSuspendedDownload(hRequest, dwResultCode)
; hRequest : void* -> "intptr"
; dwResultCode : DWORD -> "int"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procResumeSuspendedDownload = wininet.NewProc("ResumeSuspendedDownload")
)

// hRequest (void*), dwResultCode (DWORD)
r1, _, err := procResumeSuspendedDownload.Call(
	uintptr(hRequest),
	uintptr(dwResultCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ResumeSuspendedDownload(
  hRequest: Pointer;   // void*
  dwResultCode: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'ResumeSuspendedDownload';

result := DllCall("WININET\ResumeSuspendedDownload"
    , "Ptr", hRequest   ; void*
    , "UInt", dwResultCode   ; DWORD
    , "Int")   ; return: BOOL

●ResumeSuspendedDownload(hRequest, dwResultCode) = DLL("WININET.dll", "bool ResumeSuspendedDownload(void*, dword)")
# 呼び出し: ResumeSuspendedDownload(hRequest, dwResultCode)
# hRequest : void* -> "void*"
# dwResultCode : DWORD -> "dword"
# 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 "wininet" fn ResumeSuspendedDownload(
    hRequest: ?*anyopaque, // void*
    dwResultCode: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc ResumeSuspendedDownload(
    hRequest: pointer,  # void*
    dwResultCode: uint32  # DWORD
): int32 {.importc: "ResumeSuspendedDownload", stdcall, dynlib: "WININET.dll".}

pragma(lib, "wininet");
extern(Windows)
int ResumeSuspendedDownload(
    void* hRequest,   // void*
    uint dwResultCode   // DWORD
);

ccall((:ResumeSuspendedDownload, "WININET.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32),
      hRequest, dwResultCode)
# hRequest : void* -> Ptr{Cvoid}
# dwResultCode : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t ResumeSuspendedDownload(
    void* hRequest,
    uint32_t dwResultCode);
]]
local wininet = ffi.load("wininet")
-- wininet.ResumeSuspendedDownload(hRequest, dwResultCode)
-- hRequest : void*
-- dwResultCode : DWORD
-- 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('WININET.dll');
const ResumeSuspendedDownload = lib.func('__stdcall', 'ResumeSuspendedDownload', 'int32_t', ['void *', 'uint32_t']);
// ResumeSuspendedDownload(hRequest, dwResultCode)
// hRequest : void* -> 'void *'
// dwResultCode : DWORD -> 'uint32_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("WININET.dll", {
  ResumeSuspendedDownload: { parameters: ["pointer", "u32"], result: "i32" },
});
// lib.symbols.ResumeSuspendedDownload(hRequest, dwResultCode)
// hRequest : void* -> "pointer"
// dwResultCode : DWORD -> "u32"
// 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
int32_t ResumeSuspendedDownload(
    void* hRequest,
    uint32_t dwResultCode);
C, "WININET.dll");
// $ffi->ResumeSuspendedDownload(hRequest, dwResultCode);
// hRequest : void*
// dwResultCode : DWORD
// 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 Wininet extends StdCallLibrary {
    Wininet INSTANCE = Native.load("wininet", Wininet.class);
    boolean ResumeSuspendedDownload(
        Pointer hRequest,   // void*
        int dwResultCode   // DWORD
    );
}

@[Link("wininet")]
lib LibWININET
  fun ResumeSuspendedDownload = ResumeSuspendedDownload(
    hRequest : Void*,   # void*
    dwResultCode : UInt32   # DWORD
  ) : Int32
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 ResumeSuspendedDownloadNative = Int32 Function(Pointer<Void>, Uint32);
typedef ResumeSuspendedDownloadDart = int Function(Pointer<Void>, int);
final ResumeSuspendedDownload = DynamicLibrary.open('WININET.dll')
    .lookupFunction<ResumeSuspendedDownloadNative, ResumeSuspendedDownloadDart>('ResumeSuspendedDownload');
// hRequest : void* -> Pointer<Void>
// dwResultCode : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ResumeSuspendedDownload(
  hRequest: Pointer;   // void*
  dwResultCode: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'ResumeSuspendedDownload';

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

foreign import stdcall safe "ResumeSuspendedDownload"
  c_ResumeSuspendedDownload :: Ptr () -> Word32 -> IO CInt
-- hRequest : void* -> Ptr ()
-- dwResultCode : DWORD -> Word32
-- 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 resumesuspendeddownload =
  foreign "ResumeSuspendedDownload"
    ((ptr void) @-> uint32_t @-> returning int32_t)
(* hRequest : void* -> (ptr void) *)
(* dwResultCode : DWORD -> uint32_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 wininet (t "WININET.dll"))
(cffi:use-foreign-library wininet)

(cffi:defcfun ("ResumeSuspendedDownload" resume-suspended-download :convention :stdcall) :int32
  (h-request :pointer)   ; void*
  (dw-result-code :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ResumeSuspendedDownload = Win32::API::More->new('WININET',
    'BOOL ResumeSuspendedDownload(LPVOID hRequest, DWORD dwResultCode)');
# my $ret = $ResumeSuspendedDownload->Call($hRequest, $dwResultCode);
# hRequest : void* -> LPVOID
# dwResultCode : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。