HdvInitializeDeviceHostEx

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

HRESULT HdvInitializeDeviceHostEx(
    HCS_SYSTEM computeSystem,
    HDV_DEVICE_HOST_FLAGS flags,
    void** deviceHostHandle
);

<DllImport("vmdevicehost.dll", ExactSpelling:=True)>
Public Shared Function HdvInitializeDeviceHostEx(
    computeSystem As IntPtr,   ' HCS_SYSTEM
    flags As Integer,   ' HDV_DEVICE_HOST_FLAGS
    deviceHostHandle As IntPtr   ' void** out
) As Integer
End Function

' computeSystem : HCS_SYSTEM
' flags : HDV_DEVICE_HOST_FLAGS
' deviceHostHandle : void** out
Declare PtrSafe Function HdvInitializeDeviceHostEx Lib "vmdevicehost" ( _
    ByVal computeSystem As LongPtr, _
    ByVal flags As Long, _
    ByVal deviceHostHandle 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

HdvInitializeDeviceHostEx = ctypes.windll.vmdevicehost.HdvInitializeDeviceHostEx
HdvInitializeDeviceHostEx.restype = ctypes.c_int
HdvInitializeDeviceHostEx.argtypes = [
    wintypes.HANDLE,  # computeSystem : HCS_SYSTEM
    ctypes.c_int,  # flags : HDV_DEVICE_HOST_FLAGS
    ctypes.c_void_p,  # deviceHostHandle : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('vmdevicehost.dll')
HdvInitializeDeviceHostEx = Fiddle::Function.new(
  lib['HdvInitializeDeviceHostEx'],
  [
    Fiddle::TYPE_VOIDP,  # computeSystem : HCS_SYSTEM
    Fiddle::TYPE_INT,  # flags : HDV_DEVICE_HOST_FLAGS
    Fiddle::TYPE_VOIDP,  # deviceHostHandle : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmdevicehost")]
extern "system" {
    fn HdvInitializeDeviceHostEx(
        computeSystem: *mut core::ffi::c_void,  // HCS_SYSTEM
        flags: i32,  // HDV_DEVICE_HOST_FLAGS
        deviceHostHandle: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("vmdevicehost.dll")]
public static extern int HdvInitializeDeviceHostEx(IntPtr computeSystem, int flags, IntPtr deviceHostHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'vmdevicehost_HdvInitializeDeviceHostEx' -Namespace Win32 -PassThru
# $api::HdvInitializeDeviceHostEx(computeSystem, flags, deviceHostHandle)

#uselib "vmdevicehost.dll"
#func global HdvInitializeDeviceHostEx "HdvInitializeDeviceHostEx" sptr, sptr, sptr
; HdvInitializeDeviceHostEx computeSystem, flags, deviceHostHandle   ; 戻り値は stat
; computeSystem : HCS_SYSTEM -> "sptr"
; flags : HDV_DEVICE_HOST_FLAGS -> "sptr"
; deviceHostHandle : 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 "vmdevicehost.dll"
#cfunc global HdvInitializeDeviceHostEx "HdvInitializeDeviceHostEx" sptr, int, sptr
; res = HdvInitializeDeviceHostEx(computeSystem, flags, deviceHostHandle)
; computeSystem : HCS_SYSTEM -> "sptr"
; flags : HDV_DEVICE_HOST_FLAGS -> "int"
; deviceHostHandle : void** out -> "sptr"

; HRESULT HdvInitializeDeviceHostEx(HCS_SYSTEM computeSystem, HDV_DEVICE_HOST_FLAGS flags, void** deviceHostHandle)
#uselib "vmdevicehost.dll"
#cfunc global HdvInitializeDeviceHostEx "HdvInitializeDeviceHostEx" intptr, int, intptr
; res = HdvInitializeDeviceHostEx(computeSystem, flags, deviceHostHandle)
; computeSystem : HCS_SYSTEM -> "intptr"
; flags : HDV_DEVICE_HOST_FLAGS -> "int"
; deviceHostHandle : void** out -> "intptr"

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

var (
	vmdevicehost = windows.NewLazySystemDLL("vmdevicehost.dll")
	procHdvInitializeDeviceHostEx = vmdevicehost.NewProc("HdvInitializeDeviceHostEx")
)

// computeSystem (HCS_SYSTEM), flags (HDV_DEVICE_HOST_FLAGS), deviceHostHandle (void** out)
r1, _, err := procHdvInitializeDeviceHostEx.Call(
	uintptr(computeSystem),
	uintptr(flags),
	uintptr(deviceHostHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HdvInitializeDeviceHostEx(
  computeSystem: THandle;   // HCS_SYSTEM
  flags: Integer;   // HDV_DEVICE_HOST_FLAGS
  deviceHostHandle: Pointer   // void** out
): Integer; stdcall;
  external 'vmdevicehost.dll' name 'HdvInitializeDeviceHostEx';

result := DllCall("vmdevicehost\HdvInitializeDeviceHostEx"
    , "Ptr", computeSystem   ; HCS_SYSTEM
    , "Int", flags   ; HDV_DEVICE_HOST_FLAGS
    , "Ptr", deviceHostHandle   ; void** out
    , "Int")   ; return: HRESULT

●HdvInitializeDeviceHostEx(computeSystem, flags, deviceHostHandle) = DLL("vmdevicehost.dll", "int HdvInitializeDeviceHostEx(void*, int, void*)")
# 呼び出し: HdvInitializeDeviceHostEx(computeSystem, flags, deviceHostHandle)
# computeSystem : HCS_SYSTEM -> "void*"
# flags : HDV_DEVICE_HOST_FLAGS -> "int"
# deviceHostHandle : 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)。