MFCreateTopologyNode

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

HRESULT MFCreateTopologyNode(
    MF_TOPOLOGY_TYPE NodeType,
    IMFTopologyNode** ppNode
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateTopologyNode(
    NodeType As Integer,   ' MF_TOPOLOGY_TYPE
    ppNode As IntPtr   ' IMFTopologyNode** out
) As Integer
End Function

' NodeType : MF_TOPOLOGY_TYPE
' ppNode : IMFTopologyNode** out
Declare PtrSafe Function MFCreateTopologyNode Lib "mf" ( _
    ByVal NodeType As Long, _
    ByVal ppNode 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

MFCreateTopologyNode = ctypes.windll.mf.MFCreateTopologyNode
MFCreateTopologyNode.restype = ctypes.c_int
MFCreateTopologyNode.argtypes = [
    ctypes.c_int,  # NodeType : MF_TOPOLOGY_TYPE
    ctypes.c_void_p,  # ppNode : IMFTopologyNode** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateTopologyNode = Fiddle::Function.new(
  lib['MFCreateTopologyNode'],
  [
    Fiddle::TYPE_INT,  # NodeType : MF_TOPOLOGY_TYPE
    Fiddle::TYPE_VOIDP,  # ppNode : IMFTopologyNode** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateTopologyNode(
        NodeType: i32,  // MF_TOPOLOGY_TYPE
        ppNode: *mut *mut core::ffi::c_void  // IMFTopologyNode** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateTopologyNode(int NodeType, IntPtr ppNode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateTopologyNode' -Namespace Win32 -PassThru
# $api::MFCreateTopologyNode(NodeType, ppNode)

#uselib "MF.dll"
#func global MFCreateTopologyNode "MFCreateTopologyNode" sptr, sptr
; MFCreateTopologyNode NodeType, ppNode   ; 戻り値は stat
; NodeType : MF_TOPOLOGY_TYPE -> "sptr"
; ppNode : IMFTopologyNode** 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 "MF.dll"
#cfunc global MFCreateTopologyNode "MFCreateTopologyNode" int, sptr
; res = MFCreateTopologyNode(NodeType, ppNode)
; NodeType : MF_TOPOLOGY_TYPE -> "int"
; ppNode : IMFTopologyNode** out -> "sptr"

; HRESULT MFCreateTopologyNode(MF_TOPOLOGY_TYPE NodeType, IMFTopologyNode** ppNode)
#uselib "MF.dll"
#cfunc global MFCreateTopologyNode "MFCreateTopologyNode" int, intptr
; res = MFCreateTopologyNode(NodeType, ppNode)
; NodeType : MF_TOPOLOGY_TYPE -> "int"
; ppNode : IMFTopologyNode** out -> "intptr"

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

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateTopologyNode = mf.NewProc("MFCreateTopologyNode")
)

// NodeType (MF_TOPOLOGY_TYPE), ppNode (IMFTopologyNode** out)
r1, _, err := procMFCreateTopologyNode.Call(
	uintptr(NodeType),
	uintptr(ppNode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateTopologyNode(
  NodeType: Integer;   // MF_TOPOLOGY_TYPE
  ppNode: Pointer   // IMFTopologyNode** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateTopologyNode';

result := DllCall("MF\MFCreateTopologyNode"
    , "Int", NodeType   ; MF_TOPOLOGY_TYPE
    , "Ptr", ppNode   ; IMFTopologyNode** out
    , "Int")   ; return: HRESULT

●MFCreateTopologyNode(NodeType, ppNode) = DLL("MF.dll", "int MFCreateTopologyNode(int, void*)")
# 呼び出し: MFCreateTopologyNode(NodeType, ppNode)
# NodeType : MF_TOPOLOGY_TYPE -> "int"
# ppNode : IMFTopologyNode** 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)。