HcnRegisterServiceCallback

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

HRESULT HcnRegisterServiceCallback(
    HCN_NOTIFICATION_CALLBACK Callback,
    void* Context,
    void** CallbackHandle
);

<DllImport("computenetwork.dll", ExactSpelling:=True)>
Public Shared Function HcnRegisterServiceCallback(
    Callback As IntPtr,   ' HCN_NOTIFICATION_CALLBACK
    Context As IntPtr,   ' void*
    CallbackHandle As IntPtr   ' void** out
) As Integer
End Function

' Callback : HCN_NOTIFICATION_CALLBACK
' Context : void*
' CallbackHandle : void** out
Declare PtrSafe Function HcnRegisterServiceCallback Lib "computenetwork" ( _
    ByVal Callback As LongPtr, _
    ByVal Context As LongPtr, _
    ByVal CallbackHandle 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

HcnRegisterServiceCallback = ctypes.windll.computenetwork.HcnRegisterServiceCallback
HcnRegisterServiceCallback.restype = ctypes.c_int
HcnRegisterServiceCallback.argtypes = [
    ctypes.c_void_p,  # Callback : HCN_NOTIFICATION_CALLBACK
    ctypes.POINTER(None),  # Context : void*
    ctypes.c_void_p,  # CallbackHandle : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computenetwork.dll')
HcnRegisterServiceCallback = Fiddle::Function.new(
  lib['HcnRegisterServiceCallback'],
  [
    Fiddle::TYPE_VOIDP,  # Callback : HCN_NOTIFICATION_CALLBACK
    Fiddle::TYPE_VOIDP,  # Context : void*
    Fiddle::TYPE_VOIDP,  # CallbackHandle : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "computenetwork")]
extern "system" {
    fn HcnRegisterServiceCallback(
        Callback: *const core::ffi::c_void,  // HCN_NOTIFICATION_CALLBACK
        Context: *mut (),  // void*
        CallbackHandle: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computenetwork.dll")]
public static extern int HcnRegisterServiceCallback(IntPtr Callback, IntPtr Context, IntPtr CallbackHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computenetwork_HcnRegisterServiceCallback' -Namespace Win32 -PassThru
# $api::HcnRegisterServiceCallback(Callback, Context, CallbackHandle)

#uselib "computenetwork.dll"
#func global HcnRegisterServiceCallback "HcnRegisterServiceCallback" sptr, sptr, sptr
; HcnRegisterServiceCallback Callback, Context, CallbackHandle   ; 戻り値は stat
; Callback : HCN_NOTIFICATION_CALLBACK -> "sptr"
; Context : void* -> "sptr"
; CallbackHandle : void** out -> "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 "computenetwork.dll"
#cfunc global HcnRegisterServiceCallback "HcnRegisterServiceCallback" sptr, sptr, sptr
; res = HcnRegisterServiceCallback(Callback, Context, CallbackHandle)
; Callback : HCN_NOTIFICATION_CALLBACK -> "sptr"
; Context : void* -> "sptr"
; CallbackHandle : void** out -> "sptr"

; HRESULT HcnRegisterServiceCallback(HCN_NOTIFICATION_CALLBACK Callback, void* Context, void** CallbackHandle)
#uselib "computenetwork.dll"
#cfunc global HcnRegisterServiceCallback "HcnRegisterServiceCallback" intptr, intptr, intptr
; res = HcnRegisterServiceCallback(Callback, Context, CallbackHandle)
; Callback : HCN_NOTIFICATION_CALLBACK -> "intptr"
; Context : void* -> "intptr"
; CallbackHandle : void** out -> "intptr"

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

var (
	computenetwork = windows.NewLazySystemDLL("computenetwork.dll")
	procHcnRegisterServiceCallback = computenetwork.NewProc("HcnRegisterServiceCallback")
)

// Callback (HCN_NOTIFICATION_CALLBACK), Context (void*), CallbackHandle (void** out)
r1, _, err := procHcnRegisterServiceCallback.Call(
	uintptr(Callback),
	uintptr(Context),
	uintptr(CallbackHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HcnRegisterServiceCallback(
  Callback: Pointer;   // HCN_NOTIFICATION_CALLBACK
  Context: Pointer;   // void*
  CallbackHandle: Pointer   // void** out
): Integer; stdcall;
  external 'computenetwork.dll' name 'HcnRegisterServiceCallback';

result := DllCall("computenetwork\HcnRegisterServiceCallback"
    , "Ptr", Callback   ; HCN_NOTIFICATION_CALLBACK
    , "Ptr", Context   ; void*
    , "Ptr", CallbackHandle   ; void** out
    , "Int")   ; return: HRESULT

●HcnRegisterServiceCallback(Callback, Context, CallbackHandle) = DLL("computenetwork.dll", "int HcnRegisterServiceCallback(void*, void*, void*)")
# 呼び出し: HcnRegisterServiceCallback(Callback, Context, CallbackHandle)
# Callback : HCN_NOTIFICATION_CALLBACK -> "void*"
# Context : void* -> "void*"
# CallbackHandle : void** 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)。