MFCreateDXGIDeviceManager

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

HRESULT MFCreateDXGIDeviceManager(
    DWORD* resetToken,
    IMFDXGIDeviceManager** ppDeviceManager
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateDXGIDeviceManager(
    <Out> ByRef resetToken As UInteger,   ' DWORD* out
    ppDeviceManager As IntPtr   ' IMFDXGIDeviceManager** out
) As Integer
End Function

' resetToken : DWORD* out
' ppDeviceManager : IMFDXGIDeviceManager** out
Declare PtrSafe Function MFCreateDXGIDeviceManager Lib "mfplat" ( _
    ByRef resetToken As Long, _
    ByVal ppDeviceManager 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

MFCreateDXGIDeviceManager = ctypes.windll.mfplat.MFCreateDXGIDeviceManager
MFCreateDXGIDeviceManager.restype = ctypes.c_int
MFCreateDXGIDeviceManager.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # resetToken : DWORD* out
    ctypes.c_void_p,  # ppDeviceManager : IMFDXGIDeviceManager** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateDXGIDeviceManager = Fiddle::Function.new(
  lib['MFCreateDXGIDeviceManager'],
  [
    Fiddle::TYPE_VOIDP,  # resetToken : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppDeviceManager : IMFDXGIDeviceManager** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateDXGIDeviceManager(
        resetToken: *mut u32,  // DWORD* out
        ppDeviceManager: *mut *mut core::ffi::c_void  // IMFDXGIDeviceManager** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateDXGIDeviceManager(out uint resetToken, IntPtr ppDeviceManager);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateDXGIDeviceManager' -Namespace Win32 -PassThru
# $api::MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)

#uselib "MFPlat.dll"
#func global MFCreateDXGIDeviceManager "MFCreateDXGIDeviceManager" sptr, sptr
; MFCreateDXGIDeviceManager varptr(resetToken), ppDeviceManager   ; 戻り値は stat
; resetToken : DWORD* out -> "sptr"
; ppDeviceManager : IMFDXGIDeviceManager** 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 "MFPlat.dll"
#cfunc global MFCreateDXGIDeviceManager "MFCreateDXGIDeviceManager" var, sptr
; res = MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
; resetToken : DWORD* out -> "var"
; ppDeviceManager : IMFDXGIDeviceManager** 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 MFCreateDXGIDeviceManager(DWORD* resetToken, IMFDXGIDeviceManager** ppDeviceManager)
#uselib "MFPlat.dll"
#cfunc global MFCreateDXGIDeviceManager "MFCreateDXGIDeviceManager" var, intptr
; res = MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
; resetToken : DWORD* out -> "var"
; ppDeviceManager : IMFDXGIDeviceManager** 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 (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateDXGIDeviceManager = mfplat.NewProc("MFCreateDXGIDeviceManager")
)

// resetToken (DWORD* out), ppDeviceManager (IMFDXGIDeviceManager** out)
r1, _, err := procMFCreateDXGIDeviceManager.Call(
	uintptr(resetToken),
	uintptr(ppDeviceManager),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateDXGIDeviceManager(
  resetToken: Pointer;   // DWORD* out
  ppDeviceManager: Pointer   // IMFDXGIDeviceManager** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateDXGIDeviceManager';

result := DllCall("MFPlat\MFCreateDXGIDeviceManager"
    , "Ptr", resetToken   ; DWORD* out
    , "Ptr", ppDeviceManager   ; IMFDXGIDeviceManager** out
    , "Int")   ; return: HRESULT

●MFCreateDXGIDeviceManager(resetToken, ppDeviceManager) = DLL("MFPlat.dll", "int MFCreateDXGIDeviceManager(void*, void*)")
# 呼び出し: MFCreateDXGIDeviceManager(resetToken, ppDeviceManager)
# resetToken : DWORD* out -> "void*"
# ppDeviceManager : IMFDXGIDeviceManager** 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)。