APOInitSystemEffects2

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct APOInitBaseStruct
{
    public uint cbSize;
    public Guid clsid;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct APOInitSystemEffects2
{
    public APOInitBaseStruct APOInit;
    public IntPtr pAPOEndpointProperties;
    public IntPtr pAPOSystemEffectsProperties;
    public IntPtr pReserved;
    public IntPtr pDeviceCollection;
    public uint nSoftwareIoDeviceInCollection;
    public uint nSoftwareIoConnectorIndex;
    public Guid AudioProcessingMode;
    [MarshalAs(UnmanagedType.Bool)] public bool InitializeForDiscoveryOnly;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure APOInitBaseStruct
    Public cbSize As UInteger
    Public clsid As Guid
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure APOInitSystemEffects2
    Public APOInit As APOInitBaseStruct
    Public pAPOEndpointProperties As IntPtr
    Public pAPOSystemEffectsProperties As IntPtr
    Public pReserved As IntPtr
    Public pDeviceCollection As IntPtr
    Public nSoftwareIoDeviceInCollection As UInteger
    Public nSoftwareIoConnectorIndex As UInteger
    Public AudioProcessingMode As Guid
    <MarshalAs(UnmanagedType.Bool)> Public InitializeForDiscoveryOnly As Boolean
End Structure

import ctypes
from ctypes import wintypes

class APOInitBaseStruct(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("clsid", GUID),
    ]

class APOInitSystemEffects2(ctypes.Structure):
    _fields_ = [
        ("APOInit", APOInitBaseStruct),
        ("pAPOEndpointProperties", ctypes.c_void_p),
        ("pAPOSystemEffectsProperties", ctypes.c_void_p),
        ("pReserved", ctypes.c_void_p),
        ("pDeviceCollection", ctypes.c_void_p),
        ("nSoftwareIoDeviceInCollection", wintypes.DWORD),
        ("nSoftwareIoConnectorIndex", wintypes.DWORD),
        ("AudioProcessingMode", GUID),
        ("InitializeForDiscoveryOnly", wintypes.BOOL),
    ]

#[repr(C)]
pub struct APOInitBaseStruct {
    pub cbSize: u32,
    pub clsid: GUID,
}

#[repr(C)]
pub struct APOInitSystemEffects2 {
    pub APOInit: APOInitBaseStruct,
    pub pAPOEndpointProperties: *mut core::ffi::c_void,
    pub pAPOSystemEffectsProperties: *mut core::ffi::c_void,
    pub pReserved: *mut core::ffi::c_void,
    pub pDeviceCollection: *mut core::ffi::c_void,
    pub nSoftwareIoDeviceInCollection: u32,
    pub nSoftwareIoConnectorIndex: u32,
    pub AudioProcessingMode: GUID,
    pub InitializeForDiscoveryOnly: i32,
}

import "golang.org/x/sys/windows"

type APOInitBaseStruct struct {
	cbSize uint32
	clsid windows.GUID
}

type APOInitSystemEffects2 struct {
	APOInit APOInitBaseStruct
	pAPOEndpointProperties uintptr
	pAPOSystemEffectsProperties uintptr
	pReserved uintptr
	pDeviceCollection uintptr
	nSoftwareIoDeviceInCollection uint32
	nSoftwareIoConnectorIndex uint32
	AudioProcessingMode windows.GUID
	InitializeForDiscoveryOnly int32
}

type
  APOInitBaseStruct = record
    cbSize: DWORD;
    clsid: TGUID;
  end;

  APOInitSystemEffects2 = record
    APOInit: APOInitBaseStruct;
    pAPOEndpointProperties: Pointer;
    pAPOSystemEffectsProperties: Pointer;
    pReserved: Pointer;
    pDeviceCollection: Pointer;
    nSoftwareIoDeviceInCollection: DWORD;
    nSoftwareIoConnectorIndex: DWORD;
    AudioProcessingMode: TGUID;
    InitializeForDiscoveryOnly: BOOL;
  end;

const APOInitBaseStruct = extern struct {
    cbSize: u32,
    clsid: GUID,
};

const APOInitSystemEffects2 = extern struct {
    APOInit: APOInitBaseStruct,
    pAPOEndpointProperties: ?*anyopaque,
    pAPOSystemEffectsProperties: ?*anyopaque,
    pReserved: ?*anyopaque,
    pDeviceCollection: ?*anyopaque,
    nSoftwareIoDeviceInCollection: u32,
    nSoftwareIoConnectorIndex: u32,
    AudioProcessingMode: GUID,
    InitializeForDiscoveryOnly: i32,
};

type
  APOInitBaseStruct {.bycopy.} = object
    cbSize: uint32
    clsid: GUID

  APOInitSystemEffects2 {.bycopy.} = object
    APOInit: APOInitBaseStruct
    pAPOEndpointProperties: pointer
    pAPOSystemEffectsProperties: pointer
    pReserved: pointer
    pDeviceCollection: pointer
    nSoftwareIoDeviceInCollection: uint32
    nSoftwareIoConnectorIndex: uint32
    AudioProcessingMode: GUID
    InitializeForDiscoveryOnly: int32

struct APOInitBaseStruct
{
    uint cbSize;
    GUID clsid;
}

struct APOInitSystemEffects2
{
    APOInitBaseStruct APOInit;
    void* pAPOEndpointProperties;
    void* pAPOSystemEffectsProperties;
    void* pReserved;
    void* pDeviceCollection;
    uint nSoftwareIoDeviceInCollection;
    uint nSoftwareIoConnectorIndex;
    GUID AudioProcessingMode;
    int InitializeForDiscoveryOnly;
}