HttpSetRequestQueueProperty

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

DWORD HttpSetRequestQueueProperty(
    HANDLE RequestQueueHandle,
    HTTP_SERVER_PROPERTY Property,
    void* PropertyInformation,
    DWORD PropertyInformationLength,
    DWORD Reserved1,   // optional
    void* Reserved2   // optional
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpSetRequestQueueProperty(
    RequestQueueHandle As IntPtr,   ' HANDLE
    [Property] As Integer,   ' HTTP_SERVER_PROPERTY
    PropertyInformation As IntPtr,   ' void*
    PropertyInformationLength As UInteger,   ' DWORD
    Reserved1 As UInteger,   ' DWORD optional
    Reserved2 As IntPtr   ' void* optional
) As UInteger
End Function

' RequestQueueHandle : HANDLE
' Property : HTTP_SERVER_PROPERTY
' PropertyInformation : void*
' PropertyInformationLength : DWORD
' Reserved1 : DWORD optional
' Reserved2 : void* optional
Declare PtrSafe Function HttpSetRequestQueueProperty Lib "httpapi" ( _
    ByVal RequestQueueHandle As LongPtr, _
    ByVal Property As Long, _
    ByVal PropertyInformation As LongPtr, _
    ByVal PropertyInformationLength As Long, _
    ByVal Reserved1 As Long, _
    ByVal Reserved2 As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HttpSetRequestQueueProperty = ctypes.windll.httpapi.HttpSetRequestQueueProperty
HttpSetRequestQueueProperty.restype = wintypes.DWORD
HttpSetRequestQueueProperty.argtypes = [
    wintypes.HANDLE,  # RequestQueueHandle : HANDLE
    ctypes.c_int,  # Property : HTTP_SERVER_PROPERTY
    ctypes.POINTER(None),  # PropertyInformation : void*
    wintypes.DWORD,  # PropertyInformationLength : DWORD
    wintypes.DWORD,  # Reserved1 : DWORD optional
    ctypes.POINTER(None),  # Reserved2 : void* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpSetRequestQueueProperty = Fiddle::Function.new(
  lib['HttpSetRequestQueueProperty'],
  [
    Fiddle::TYPE_VOIDP,  # RequestQueueHandle : HANDLE
    Fiddle::TYPE_INT,  # Property : HTTP_SERVER_PROPERTY
    Fiddle::TYPE_VOIDP,  # PropertyInformation : void*
    -Fiddle::TYPE_INT,  # PropertyInformationLength : DWORD
    -Fiddle::TYPE_INT,  # Reserved1 : DWORD optional
    Fiddle::TYPE_VOIDP,  # Reserved2 : void* optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpSetRequestQueueProperty(
        RequestQueueHandle: *mut core::ffi::c_void,  // HANDLE
        Property: i32,  // HTTP_SERVER_PROPERTY
        PropertyInformation: *mut (),  // void*
        PropertyInformationLength: u32,  // DWORD
        Reserved1: u32,  // DWORD optional
        Reserved2: *mut ()  // void* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpSetRequestQueueProperty(IntPtr RequestQueueHandle, int Property, IntPtr PropertyInformation, uint PropertyInformationLength, uint Reserved1, IntPtr Reserved2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpSetRequestQueueProperty' -Namespace Win32 -PassThru
# $api::HttpSetRequestQueueProperty(RequestQueueHandle, Property, PropertyInformation, PropertyInformationLength, Reserved1, Reserved2)

#uselib "HTTPAPI.dll"
#func global HttpSetRequestQueueProperty "HttpSetRequestQueueProperty" sptr, sptr, sptr, sptr, sptr, sptr
; HttpSetRequestQueueProperty RequestQueueHandle, Property, PropertyInformation, PropertyInformationLength, Reserved1, Reserved2   ; 戻り値は stat
; RequestQueueHandle : HANDLE -> "sptr"
; Property : HTTP_SERVER_PROPERTY -> "sptr"
; PropertyInformation : void* -> "sptr"
; PropertyInformationLength : DWORD -> "sptr"
; Reserved1 : DWORD optional -> "sptr"
; Reserved2 : void* optional -> "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 "HTTPAPI.dll"
#cfunc global HttpSetRequestQueueProperty "HttpSetRequestQueueProperty" sptr, int, sptr, int, int, sptr
; res = HttpSetRequestQueueProperty(RequestQueueHandle, Property, PropertyInformation, PropertyInformationLength, Reserved1, Reserved2)
; RequestQueueHandle : HANDLE -> "sptr"
; Property : HTTP_SERVER_PROPERTY -> "int"
; PropertyInformation : void* -> "sptr"
; PropertyInformationLength : DWORD -> "int"
; Reserved1 : DWORD optional -> "int"
; Reserved2 : void* optional -> "sptr"

; DWORD HttpSetRequestQueueProperty(HANDLE RequestQueueHandle, HTTP_SERVER_PROPERTY Property, void* PropertyInformation, DWORD PropertyInformationLength, DWORD Reserved1, void* Reserved2)
#uselib "HTTPAPI.dll"
#cfunc global HttpSetRequestQueueProperty "HttpSetRequestQueueProperty" intptr, int, intptr, int, int, intptr
; res = HttpSetRequestQueueProperty(RequestQueueHandle, Property, PropertyInformation, PropertyInformationLength, Reserved1, Reserved2)
; RequestQueueHandle : HANDLE -> "intptr"
; Property : HTTP_SERVER_PROPERTY -> "int"
; PropertyInformation : void* -> "intptr"
; PropertyInformationLength : DWORD -> "int"
; Reserved1 : DWORD optional -> "int"
; Reserved2 : void* optional -> "intptr"

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

var (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpSetRequestQueueProperty = httpapi.NewProc("HttpSetRequestQueueProperty")
)

// RequestQueueHandle (HANDLE), Property (HTTP_SERVER_PROPERTY), PropertyInformation (void*), PropertyInformationLength (DWORD), Reserved1 (DWORD optional), Reserved2 (void* optional)
r1, _, err := procHttpSetRequestQueueProperty.Call(
	uintptr(RequestQueueHandle),
	uintptr(Property),
	uintptr(PropertyInformation),
	uintptr(PropertyInformationLength),
	uintptr(Reserved1),
	uintptr(Reserved2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpSetRequestQueueProperty(
  RequestQueueHandle: THandle;   // HANDLE
  Property: Integer;   // HTTP_SERVER_PROPERTY
  PropertyInformation: Pointer;   // void*
  PropertyInformationLength: DWORD;   // DWORD
  Reserved1: DWORD;   // DWORD optional
  Reserved2: Pointer   // void* optional
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpSetRequestQueueProperty';

result := DllCall("HTTPAPI\HttpSetRequestQueueProperty"
    , "Ptr", RequestQueueHandle   ; HANDLE
    , "Int", Property   ; HTTP_SERVER_PROPERTY
    , "Ptr", PropertyInformation   ; void*
    , "UInt", PropertyInformationLength   ; DWORD
    , "UInt", Reserved1   ; DWORD optional
    , "Ptr", Reserved2   ; void* optional
    , "UInt")   ; return: DWORD

●HttpSetRequestQueueProperty(RequestQueueHandle, Property, PropertyInformation, PropertyInformationLength, Reserved1, Reserved2) = DLL("HTTPAPI.dll", "dword HttpSetRequestQueueProperty(void*, int, void*, dword, dword, void*)")
# 呼び出し: HttpSetRequestQueueProperty(RequestQueueHandle, Property, PropertyInformation, PropertyInformationLength, Reserved1, Reserved2)
# RequestQueueHandle : HANDLE -> "void*"
# Property : HTTP_SERVER_PROPERTY -> "int"
# PropertyInformation : void* -> "void*"
# PropertyInformationLength : DWORD -> "dword"
# Reserved1 : DWORD optional -> "dword"
# Reserved2 : void* optional -> "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)。