WHvCreateNotificationPort

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

HRESULT WHvCreateNotificationPort(
    WHV_PARTITION_HANDLE Partition,
    const WHV_NOTIFICATION_PORT_PARAMETERS* Parameters,
    HANDLE EventHandle,
    void** PortHandle
);

<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvCreateNotificationPort(
    Partition As IntPtr,   ' WHV_PARTITION_HANDLE
    Parameters As IntPtr,   ' WHV_NOTIFICATION_PORT_PARAMETERS*
    EventHandle As IntPtr,   ' HANDLE
    PortHandle As IntPtr   ' void** out
) As Integer
End Function

' Partition : WHV_PARTITION_HANDLE
' Parameters : WHV_NOTIFICATION_PORT_PARAMETERS*
' EventHandle : HANDLE
' PortHandle : void** out
Declare PtrSafe Function WHvCreateNotificationPort Lib "winhvplatform" ( _
    ByVal Partition As LongPtr, _
    ByVal Parameters As LongPtr, _
    ByVal EventHandle As LongPtr, _
    ByVal PortHandle 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

WHvCreateNotificationPort = ctypes.windll.winhvplatform.WHvCreateNotificationPort
WHvCreateNotificationPort.restype = ctypes.c_int
WHvCreateNotificationPort.argtypes = [
    ctypes.c_ssize_t,  # Partition : WHV_PARTITION_HANDLE
    ctypes.c_void_p,  # Parameters : WHV_NOTIFICATION_PORT_PARAMETERS*
    wintypes.HANDLE,  # EventHandle : HANDLE
    ctypes.c_void_p,  # PortHandle : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvCreateNotificationPort = Fiddle::Function.new(
  lib['WHvCreateNotificationPort'],
  [
    Fiddle::TYPE_INTPTR_T,  # Partition : WHV_PARTITION_HANDLE
    Fiddle::TYPE_VOIDP,  # Parameters : WHV_NOTIFICATION_PORT_PARAMETERS*
    Fiddle::TYPE_VOIDP,  # EventHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # PortHandle : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhvplatform")]
extern "system" {
    fn WHvCreateNotificationPort(
        Partition: isize,  // WHV_PARTITION_HANDLE
        Parameters: *const WHV_NOTIFICATION_PORT_PARAMETERS,  // WHV_NOTIFICATION_PORT_PARAMETERS*
        EventHandle: *mut core::ffi::c_void,  // HANDLE
        PortHandle: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvCreateNotificationPort(IntPtr Partition, IntPtr Parameters, IntPtr EventHandle, IntPtr PortHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvCreateNotificationPort' -Namespace Win32 -PassThru
# $api::WHvCreateNotificationPort(Partition, Parameters, EventHandle, PortHandle)

#uselib "WinHvPlatform.dll"
#func global WHvCreateNotificationPort "WHvCreateNotificationPort" sptr, sptr, sptr, sptr
; WHvCreateNotificationPort Partition, varptr(Parameters), EventHandle, PortHandle   ; 戻り値は stat
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; Parameters : WHV_NOTIFICATION_PORT_PARAMETERS* -> "sptr"
; EventHandle : HANDLE -> "sptr"
; PortHandle : 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 "WinHvPlatform.dll"
#cfunc global WHvCreateNotificationPort "WHvCreateNotificationPort" sptr, var, sptr, sptr
; res = WHvCreateNotificationPort(Partition, Parameters, EventHandle, PortHandle)
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; Parameters : WHV_NOTIFICATION_PORT_PARAMETERS* -> "var"
; EventHandle : HANDLE -> "sptr"
; PortHandle : void** out -> "sptr"
; ※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。

; HRESULT WHvCreateNotificationPort(WHV_PARTITION_HANDLE Partition, WHV_NOTIFICATION_PORT_PARAMETERS* Parameters, HANDLE EventHandle, void** PortHandle)
#uselib "WinHvPlatform.dll"
#cfunc global WHvCreateNotificationPort "WHvCreateNotificationPort" intptr, var, intptr, intptr
; res = WHvCreateNotificationPort(Partition, Parameters, EventHandle, PortHandle)
; Partition : WHV_PARTITION_HANDLE -> "intptr"
; Parameters : WHV_NOTIFICATION_PORT_PARAMETERS* -> "var"
; EventHandle : HANDLE -> "intptr"
; PortHandle : void** out -> "intptr"
; ※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 (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvCreateNotificationPort = winhvplatform.NewProc("WHvCreateNotificationPort")
)

// Partition (WHV_PARTITION_HANDLE), Parameters (WHV_NOTIFICATION_PORT_PARAMETERS*), EventHandle (HANDLE), PortHandle (void** out)
r1, _, err := procWHvCreateNotificationPort.Call(
	uintptr(Partition),
	uintptr(Parameters),
	uintptr(EventHandle),
	uintptr(PortHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WHvCreateNotificationPort(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  Parameters: Pointer;   // WHV_NOTIFICATION_PORT_PARAMETERS*
  EventHandle: THandle;   // HANDLE
  PortHandle: Pointer   // void** out
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvCreateNotificationPort';

result := DllCall("WinHvPlatform\WHvCreateNotificationPort"
    , "Ptr", Partition   ; WHV_PARTITION_HANDLE
    , "Ptr", Parameters   ; WHV_NOTIFICATION_PORT_PARAMETERS*
    , "Ptr", EventHandle   ; HANDLE
    , "Ptr", PortHandle   ; void** out
    , "Int")   ; return: HRESULT

●WHvCreateNotificationPort(Partition, Parameters, EventHandle, PortHandle) = DLL("WinHvPlatform.dll", "int WHvCreateNotificationPort(int, void*, void*, void*)")
# 呼び出し: WHvCreateNotificationPort(Partition, Parameters, EventHandle, PortHandle)
# Partition : WHV_PARTITION_HANDLE -> "int"
# Parameters : WHV_NOTIFICATION_PORT_PARAMETERS* -> "void*"
# EventHandle : HANDLE -> "void*"
# PortHandle : 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)。