AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PROPERTYKEY
{
    public Guid fmtid;
    public uint pid;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION
{
    public IntPtr endpoint;
    public Guid propertyStoreContext;
    public int propertyStoreType;
    public IntPtr propertyStore;
    public PROPERTYKEY propertyKey;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PROPERTYKEY
    Public fmtid As Guid
    Public pid As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION
    Public endpoint As IntPtr
    Public propertyStoreContext As Guid
    Public propertyStoreType As Integer
    Public propertyStore As IntPtr
    Public propertyKey As PROPERTYKEY
End Structure

import ctypes
from ctypes import wintypes

class PROPERTYKEY(ctypes.Structure):
    _fields_ = [
        ("fmtid", GUID),
        ("pid", wintypes.DWORD),
    ]

class AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION(ctypes.Structure):
    _fields_ = [
        ("endpoint", ctypes.c_void_p),
        ("propertyStoreContext", GUID),
        ("propertyStoreType", ctypes.c_int),
        ("propertyStore", ctypes.c_void_p),
        ("propertyKey", PROPERTYKEY),
    ]

#[repr(C)]
pub struct PROPERTYKEY {
    pub fmtid: GUID,
    pub pid: u32,
}

#[repr(C)]
pub struct AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION {
    pub endpoint: *mut core::ffi::c_void,
    pub propertyStoreContext: GUID,
    pub propertyStoreType: i32,
    pub propertyStore: *mut core::ffi::c_void,
    pub propertyKey: PROPERTYKEY,
}

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

type PROPERTYKEY struct {
	fmtid windows.GUID
	pid uint32
}

type AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION struct {
	endpoint uintptr
	propertyStoreContext windows.GUID
	propertyStoreType int32
	propertyStore uintptr
	propertyKey PROPERTYKEY
}

type
  PROPERTYKEY = record
    fmtid: TGUID;
    pid: DWORD;
  end;

  AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION = record
    endpoint: Pointer;
    propertyStoreContext: TGUID;
    propertyStoreType: Integer;
    propertyStore: Pointer;
    propertyKey: PROPERTYKEY;
  end;

const PROPERTYKEY = extern struct {
    fmtid: GUID,
    pid: u32,
};

const AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION = extern struct {
    endpoint: ?*anyopaque,
    propertyStoreContext: GUID,
    propertyStoreType: i32,
    propertyStore: ?*anyopaque,
    propertyKey: PROPERTYKEY,
};

type
  PROPERTYKEY {.bycopy.} = object
    fmtid: GUID
    pid: uint32

  AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION {.bycopy.} = object
    endpoint: pointer
    propertyStoreContext: GUID
    propertyStoreType: int32
    propertyStore: pointer
    propertyKey: PROPERTYKEY

struct PROPERTYKEY
{
    GUID fmtid;
    uint pid;
}

struct AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_NOTIFICATION
{
    void* endpoint;
    GUID propertyStoreContext;
    int propertyStoreType;
    void* propertyStore;
    PROPERTYKEY propertyKey;
}