MFUnlockDXGIDeviceManager

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

HRESULT MFUnlockDXGIDeviceManager(void);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFUnlockDXGIDeviceManager() As Integer
End Function

Declare PtrSafe Function MFUnlockDXGIDeviceManager Lib "mfplat" () As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MFUnlockDXGIDeviceManager = ctypes.windll.mfplat.MFUnlockDXGIDeviceManager
MFUnlockDXGIDeviceManager.restype = ctypes.c_int
MFUnlockDXGIDeviceManager.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFUnlockDXGIDeviceManager = Fiddle::Function.new(
  lib['MFUnlockDXGIDeviceManager'],
  [],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFUnlockDXGIDeviceManager() -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFUnlockDXGIDeviceManager();
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFUnlockDXGIDeviceManager' -Namespace Win32 -PassThru
# $api::MFUnlockDXGIDeviceManager()

#uselib "MFPlat.dll"
#func global MFUnlockDXGIDeviceManager "MFUnlockDXGIDeviceManager"
; MFUnlockDXGIDeviceManager   ; 戻り値は stat
; ※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 MFUnlockDXGIDeviceManager "MFUnlockDXGIDeviceManager"
; res = MFUnlockDXGIDeviceManager()

; HRESULT MFUnlockDXGIDeviceManager()
#uselib "MFPlat.dll"
#cfunc global MFUnlockDXGIDeviceManager "MFUnlockDXGIDeviceManager"
; res = MFUnlockDXGIDeviceManager()

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFUnlockDXGIDeviceManager = mfplat.NewProc("MFUnlockDXGIDeviceManager")
)

r1, _, err := procMFUnlockDXGIDeviceManager.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFUnlockDXGIDeviceManager: Integer; stdcall;
  external 'MFPlat.dll' name 'MFUnlockDXGIDeviceManager';

result := DllCall("MFPlat\MFUnlockDXGIDeviceManager", "Int")

●MFUnlockDXGIDeviceManager() = DLL("MFPlat.dll", "int MFUnlockDXGIDeviceManager()")
# 呼び出し: MFUnlockDXGIDeviceManager()
# 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)。