HcnUnregisterServiceCallback

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

HRESULT HcnUnregisterServiceCallback(
    void* CallbackHandle
);

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

' CallbackHandle : void*
Declare PtrSafe Function HcnUnregisterServiceCallback Lib "computenetwork" ( _
    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

HcnUnregisterServiceCallback = ctypes.windll.computenetwork.HcnUnregisterServiceCallback
HcnUnregisterServiceCallback.restype = ctypes.c_int
HcnUnregisterServiceCallback.argtypes = [
    ctypes.POINTER(None),  # CallbackHandle : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computenetwork.dll')
HcnUnregisterServiceCallback = Fiddle::Function.new(
  lib['HcnUnregisterServiceCallback'],
  [
    Fiddle::TYPE_VOIDP,  # CallbackHandle : void*
  ],
  Fiddle::TYPE_INT)

#[link(name = "computenetwork")]
extern "system" {
    fn HcnUnregisterServiceCallback(
        CallbackHandle: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "computenetwork.dll"
#func global HcnUnregisterServiceCallback "HcnUnregisterServiceCallback" sptr
; HcnUnregisterServiceCallback CallbackHandle   ; 戻り値は stat
; CallbackHandle : void* -> "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 HcnUnregisterServiceCallback "HcnUnregisterServiceCallback" sptr
; res = HcnUnregisterServiceCallback(CallbackHandle)
; CallbackHandle : void* -> "sptr"

; HRESULT HcnUnregisterServiceCallback(void* CallbackHandle)
#uselib "computenetwork.dll"
#cfunc global HcnUnregisterServiceCallback "HcnUnregisterServiceCallback" intptr
; res = HcnUnregisterServiceCallback(CallbackHandle)
; CallbackHandle : void* -> "intptr"

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

var (
	computenetwork = windows.NewLazySystemDLL("computenetwork.dll")
	procHcnUnregisterServiceCallback = computenetwork.NewProc("HcnUnregisterServiceCallback")
)

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

function HcnUnregisterServiceCallback(
  CallbackHandle: Pointer   // void*
): Integer; stdcall;
  external 'computenetwork.dll' name 'HcnUnregisterServiceCallback';

result := DllCall("computenetwork\HcnUnregisterServiceCallback"
    , "Ptr", CallbackHandle   ; void*
    , "Int")   ; return: HRESULT

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