UrlCacheSetGlobalLimit

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

DWORD UrlCacheSetGlobalLimit(
    URL_CACHE_LIMIT_TYPE limitType,
    ULONGLONG ullLimit
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function UrlCacheSetGlobalLimit(
    limitType As Integer,   ' URL_CACHE_LIMIT_TYPE
    ullLimit As ULong   ' ULONGLONG
) As UInteger
End Function

' limitType : URL_CACHE_LIMIT_TYPE
' ullLimit : ULONGLONG
Declare PtrSafe Function UrlCacheSetGlobalLimit Lib "wininet" ( _
    ByVal limitType As Long, _
    ByVal ullLimit As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UrlCacheSetGlobalLimit = ctypes.windll.wininet.UrlCacheSetGlobalLimit
UrlCacheSetGlobalLimit.restype = wintypes.DWORD
UrlCacheSetGlobalLimit.argtypes = [
    ctypes.c_int,  # limitType : URL_CACHE_LIMIT_TYPE
    ctypes.c_ulonglong,  # ullLimit : ULONGLONG
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
UrlCacheSetGlobalLimit = Fiddle::Function.new(
  lib['UrlCacheSetGlobalLimit'],
  [
    Fiddle::TYPE_INT,  # limitType : URL_CACHE_LIMIT_TYPE
    -Fiddle::TYPE_LONG_LONG,  # ullLimit : ULONGLONG
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn UrlCacheSetGlobalLimit(
        limitType: i32,  // URL_CACHE_LIMIT_TYPE
        ullLimit: u64  // ULONGLONG
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint UrlCacheSetGlobalLimit(int limitType, ulong ullLimit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_UrlCacheSetGlobalLimit' -Namespace Win32 -PassThru
# $api::UrlCacheSetGlobalLimit(limitType, ullLimit)

#uselib "WININET.dll"
#func global UrlCacheSetGlobalLimit "UrlCacheSetGlobalLimit" sptr, sptr
; UrlCacheSetGlobalLimit limitType, ullLimit   ; 戻り値は stat
; limitType : URL_CACHE_LIMIT_TYPE -> "sptr"
; ullLimit : ULONGLONG -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 UrlCacheSetGlobalLimit "UrlCacheSetGlobalLimit" int, int64
; res = UrlCacheSetGlobalLimit(limitType, ullLimit)
; limitType : URL_CACHE_LIMIT_TYPE -> "int"
; ullLimit : ULONGLONG -> "int64"
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; DWORD UrlCacheSetGlobalLimit(URL_CACHE_LIMIT_TYPE limitType, ULONGLONG ullLimit)
#uselib "WININET.dll"
#cfunc global UrlCacheSetGlobalLimit "UrlCacheSetGlobalLimit" int, int64
; res = UrlCacheSetGlobalLimit(limitType, ullLimit)
; limitType : URL_CACHE_LIMIT_TYPE -> "int"
; ullLimit : ULONGLONG -> "int64"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procUrlCacheSetGlobalLimit = wininet.NewProc("UrlCacheSetGlobalLimit")
)

// limitType (URL_CACHE_LIMIT_TYPE), ullLimit (ULONGLONG)
r1, _, err := procUrlCacheSetGlobalLimit.Call(
	uintptr(limitType),
	uintptr(ullLimit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function UrlCacheSetGlobalLimit(
  limitType: Integer;   // URL_CACHE_LIMIT_TYPE
  ullLimit: UInt64   // ULONGLONG
): DWORD; stdcall;
  external 'WININET.dll' name 'UrlCacheSetGlobalLimit';

result := DllCall("WININET\UrlCacheSetGlobalLimit"
    , "Int", limitType   ; URL_CACHE_LIMIT_TYPE
    , "Int64", ullLimit   ; ULONGLONG
    , "UInt")   ; return: DWORD

●UrlCacheSetGlobalLimit(limitType, ullLimit) = DLL("WININET.dll", "dword UrlCacheSetGlobalLimit(int, qword)")
# 呼び出し: UrlCacheSetGlobalLimit(limitType, ullLimit)
# limitType : URL_CACHE_LIMIT_TYPE -> "int"
# ullLimit : ULONGLONG -> "qword"
# 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)。