HcsCreateOperation

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

HCS_OPERATION HcsCreateOperation(
    const void* context,   // optional
    HCS_OPERATION_COMPLETION callback   // optional
);

<DllImport("computecore.dll", ExactSpelling:=True)>
Public Shared Function HcsCreateOperation(
    context As IntPtr,   ' void* optional
    callback As IntPtr   ' HCS_OPERATION_COMPLETION optional
) As IntPtr
End Function

' context : void* optional
' callback : HCS_OPERATION_COMPLETION optional
Declare PtrSafe Function HcsCreateOperation Lib "computecore" ( _
    ByVal context As LongPtr, _
    ByVal callback As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HcsCreateOperation = ctypes.windll.computecore.HcsCreateOperation
HcsCreateOperation.restype = ctypes.c_void_p
HcsCreateOperation.argtypes = [
    ctypes.POINTER(None),  # context : void* optional
    ctypes.c_void_p,  # callback : HCS_OPERATION_COMPLETION optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computecore.dll')
HcsCreateOperation = Fiddle::Function.new(
  lib['HcsCreateOperation'],
  [
    Fiddle::TYPE_VOIDP,  # context : void* optional
    Fiddle::TYPE_VOIDP,  # callback : HCS_OPERATION_COMPLETION optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "computecore")]
extern "system" {
    fn HcsCreateOperation(
        context: *const (),  // void* optional
        callback: *const core::ffi::c_void  // HCS_OPERATION_COMPLETION optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computecore.dll")]
public static extern IntPtr HcsCreateOperation(IntPtr context, IntPtr callback);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computecore_HcsCreateOperation' -Namespace Win32 -PassThru
# $api::HcsCreateOperation(context, callback)

#uselib "computecore.dll"
#func global HcsCreateOperation "HcsCreateOperation" sptr, sptr
; HcsCreateOperation context, callback   ; 戻り値は stat
; context : void* optional -> "sptr"
; callback : HCS_OPERATION_COMPLETION 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 "computecore.dll"
#cfunc global HcsCreateOperation "HcsCreateOperation" sptr, sptr
; res = HcsCreateOperation(context, callback)
; context : void* optional -> "sptr"
; callback : HCS_OPERATION_COMPLETION optional -> "sptr"

; HCS_OPERATION HcsCreateOperation(void* context, HCS_OPERATION_COMPLETION callback)
#uselib "computecore.dll"
#cfunc global HcsCreateOperation "HcsCreateOperation" intptr, intptr
; res = HcsCreateOperation(context, callback)
; context : void* optional -> "intptr"
; callback : HCS_OPERATION_COMPLETION optional -> "intptr"

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

var (
	computecore = windows.NewLazySystemDLL("computecore.dll")
	procHcsCreateOperation = computecore.NewProc("HcsCreateOperation")
)

// context (void* optional), callback (HCS_OPERATION_COMPLETION optional)
r1, _, err := procHcsCreateOperation.Call(
	uintptr(context),
	uintptr(callback),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HCS_OPERATION

function HcsCreateOperation(
  context: Pointer;   // void* optional
  callback: Pointer   // HCS_OPERATION_COMPLETION optional
): THandle; stdcall;
  external 'computecore.dll' name 'HcsCreateOperation';

result := DllCall("computecore\HcsCreateOperation"
    , "Ptr", context   ; void* optional
    , "Ptr", callback   ; HCS_OPERATION_COMPLETION optional
    , "Ptr")   ; return: HCS_OPERATION

●HcsCreateOperation(context, callback) = DLL("computecore.dll", "void* HcsCreateOperation(void*, void*)")
# 呼び出し: HcsCreateOperation(context, callback)
# context : void* optional -> "void*"
# callback : HCS_OPERATION_COMPLETION 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)。