FwpmvSwitchEventSubscribe0

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

DWORD FwpmvSwitchEventSubscribe0(
    FWPM_ENGINE_HANDLE engineHandle,
    const FWPM_VSWITCH_EVENT_SUBSCRIPTION0* subscription,
    FWPM_VSWITCH_EVENT_CALLBACK0 callback,
    void* context,   // optional
    HANDLE* subscriptionHandle
);

<DllImport("fwpuclnt.dll", ExactSpelling:=True)>
Public Shared Function FwpmvSwitchEventSubscribe0(
    engineHandle As FWPM_ENGINE_HANDLE,   ' FWPM_ENGINE_HANDLE
    subscription As IntPtr,   ' FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
    callback As IntPtr,   ' FWPM_VSWITCH_EVENT_CALLBACK0
    context As IntPtr,   ' void* optional
    subscriptionHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' engineHandle : FWPM_ENGINE_HANDLE
' subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
' callback : FWPM_VSWITCH_EVENT_CALLBACK0
' context : void* optional
' subscriptionHandle : HANDLE* out
Declare PtrSafe Function FwpmvSwitchEventSubscribe0 Lib "fwpuclnt" ( _
    ByVal engineHandle As LongPtr, _
    ByVal subscription As LongPtr, _
    ByVal callback As LongPtr, _
    ByVal context As LongPtr, _
    ByVal subscriptionHandle 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

FwpmvSwitchEventSubscribe0 = ctypes.windll.fwpuclnt.FwpmvSwitchEventSubscribe0
FwpmvSwitchEventSubscribe0.restype = wintypes.DWORD
FwpmvSwitchEventSubscribe0.argtypes = [
    FWPM_ENGINE_HANDLE,  # engineHandle : FWPM_ENGINE_HANDLE
    ctypes.c_void_p,  # subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
    ctypes.c_void_p,  # callback : FWPM_VSWITCH_EVENT_CALLBACK0
    ctypes.POINTER(None),  # context : void* optional
    ctypes.c_void_p,  # subscriptionHandle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('fwpuclnt.dll')
FwpmvSwitchEventSubscribe0 = Fiddle::Function.new(
  lib['FwpmvSwitchEventSubscribe0'],
  [
    Fiddle::TYPE_VOIDP,  # engineHandle : FWPM_ENGINE_HANDLE
    Fiddle::TYPE_VOIDP,  # subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
    Fiddle::TYPE_VOIDP,  # callback : FWPM_VSWITCH_EVENT_CALLBACK0
    Fiddle::TYPE_VOIDP,  # context : void* optional
    Fiddle::TYPE_VOIDP,  # subscriptionHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "fwpuclnt")]
extern "system" {
    fn FwpmvSwitchEventSubscribe0(
        engineHandle: FWPM_ENGINE_HANDLE,  // FWPM_ENGINE_HANDLE
        subscription: *const FWPM_VSWITCH_EVENT_SUBSCRIPTION0,  // FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
        callback: *const core::ffi::c_void,  // FWPM_VSWITCH_EVENT_CALLBACK0
        context: *mut (),  // void* optional
        subscriptionHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("fwpuclnt.dll")]
public static extern uint FwpmvSwitchEventSubscribe0(FWPM_ENGINE_HANDLE engineHandle, IntPtr subscription, IntPtr callback, IntPtr context, IntPtr subscriptionHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'fwpuclnt_FwpmvSwitchEventSubscribe0' -Namespace Win32 -PassThru
# $api::FwpmvSwitchEventSubscribe0(engineHandle, subscription, callback, context, subscriptionHandle)

#uselib "fwpuclnt.dll"
#func global FwpmvSwitchEventSubscribe0 "FwpmvSwitchEventSubscribe0" sptr, sptr, sptr, sptr, sptr
; FwpmvSwitchEventSubscribe0 engineHandle, varptr(subscription), callback, context, subscriptionHandle   ; 戻り値は stat
; engineHandle : FWPM_ENGINE_HANDLE -> "sptr"
; subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0* -> "sptr"
; callback : FWPM_VSWITCH_EVENT_CALLBACK0 -> "sptr"
; context : void* optional -> "sptr"
; subscriptionHandle : HANDLE* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "fwpuclnt.dll"
#cfunc global FwpmvSwitchEventSubscribe0 "FwpmvSwitchEventSubscribe0" int, var, sptr, sptr, sptr
; res = FwpmvSwitchEventSubscribe0(engineHandle, subscription, callback, context, subscriptionHandle)
; engineHandle : FWPM_ENGINE_HANDLE -> "int"
; subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0* -> "var"
; callback : FWPM_VSWITCH_EVENT_CALLBACK0 -> "sptr"
; context : void* optional -> "sptr"
; subscriptionHandle : HANDLE* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD FwpmvSwitchEventSubscribe0(FWPM_ENGINE_HANDLE engineHandle, FWPM_VSWITCH_EVENT_SUBSCRIPTION0* subscription, FWPM_VSWITCH_EVENT_CALLBACK0 callback, void* context, HANDLE* subscriptionHandle)
#uselib "fwpuclnt.dll"
#cfunc global FwpmvSwitchEventSubscribe0 "FwpmvSwitchEventSubscribe0" int, var, intptr, intptr, intptr
; res = FwpmvSwitchEventSubscribe0(engineHandle, subscription, callback, context, subscriptionHandle)
; engineHandle : FWPM_ENGINE_HANDLE -> "int"
; subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0* -> "var"
; callback : FWPM_VSWITCH_EVENT_CALLBACK0 -> "intptr"
; context : void* optional -> "intptr"
; subscriptionHandle : HANDLE* out -> "intptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	fwpuclnt = windows.NewLazySystemDLL("fwpuclnt.dll")
	procFwpmvSwitchEventSubscribe0 = fwpuclnt.NewProc("FwpmvSwitchEventSubscribe0")
)

// engineHandle (FWPM_ENGINE_HANDLE), subscription (FWPM_VSWITCH_EVENT_SUBSCRIPTION0*), callback (FWPM_VSWITCH_EVENT_CALLBACK0), context (void* optional), subscriptionHandle (HANDLE* out)
r1, _, err := procFwpmvSwitchEventSubscribe0.Call(
	uintptr(engineHandle),
	uintptr(subscription),
	uintptr(callback),
	uintptr(context),
	uintptr(subscriptionHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function FwpmvSwitchEventSubscribe0(
  engineHandle: FWPM_ENGINE_HANDLE;   // FWPM_ENGINE_HANDLE
  subscription: Pointer;   // FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
  callback: Pointer;   // FWPM_VSWITCH_EVENT_CALLBACK0
  context: Pointer;   // void* optional
  subscriptionHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmvSwitchEventSubscribe0';

result := DllCall("fwpuclnt\FwpmvSwitchEventSubscribe0"
    , "Ptr", engineHandle   ; FWPM_ENGINE_HANDLE
    , "Ptr", subscription   ; FWPM_VSWITCH_EVENT_SUBSCRIPTION0*
    , "Ptr", callback   ; FWPM_VSWITCH_EVENT_CALLBACK0
    , "Ptr", context   ; void* optional
    , "Ptr", subscriptionHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD

●FwpmvSwitchEventSubscribe0(engineHandle, subscription, callback, context, subscriptionHandle) = DLL("fwpuclnt.dll", "dword FwpmvSwitchEventSubscribe0(void*, void*, void*, void*, void*)")
# 呼び出し: FwpmvSwitchEventSubscribe0(engineHandle, subscription, callback, context, subscriptionHandle)
# engineHandle : FWPM_ENGINE_HANDLE -> "void*"
# subscription : FWPM_VSWITCH_EVENT_SUBSCRIPTION0* -> "void*"
# callback : FWPM_VSWITCH_EVENT_CALLBACK0 -> "void*"
# context : void* optional -> "void*"
# subscriptionHandle : HANDLE* out -> "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)。