ACMFORMATCHOOSEA

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct ACMFORMATCHOOSEA
{
    public uint cbStruct;
    public uint fdwStyle;
    public IntPtr hwndOwner;
    public IntPtr pwfx;
    public uint cbwfx;
    public IntPtr pszTitle;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)] public sbyte[] szFormatTag;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)] public sbyte[] szFormat;
    public IntPtr pszName;
    public uint cchName;
    public uint fdwEnum;
    public IntPtr pwfxEnum;
    public IntPtr hInstance;
    public IntPtr pszTemplateName;
    public IntPtr lCustData;
    public IntPtr pfnHook;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure ACMFORMATCHOOSEA
    Public cbStruct As UInteger
    Public fdwStyle As UInteger
    Public hwndOwner As IntPtr
    Public pwfx As IntPtr
    Public cbwfx As UInteger
    Public pszTitle As IntPtr
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=48)> Public szFormatTag() As SByte
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=128)> Public szFormat() As SByte
    Public pszName As IntPtr
    Public cchName As UInteger
    Public fdwEnum As UInteger
    Public pwfxEnum As IntPtr
    Public hInstance As IntPtr
    Public pszTemplateName As IntPtr
    Public lCustData As IntPtr
    Public pfnHook As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class ACMFORMATCHOOSEA(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("cbStruct", wintypes.DWORD),
        ("fdwStyle", wintypes.DWORD),
        ("hwndOwner", ctypes.c_void_p),
        ("pwfx", ctypes.c_void_p),
        ("cbwfx", wintypes.DWORD),
        ("pszTitle", ctypes.c_void_p),
        ("szFormatTag", ctypes.c_byte * 48),
        ("szFormat", ctypes.c_byte * 128),
        ("pszName", ctypes.c_void_p),
        ("cchName", wintypes.DWORD),
        ("fdwEnum", wintypes.DWORD),
        ("pwfxEnum", ctypes.c_void_p),
        ("hInstance", ctypes.c_void_p),
        ("pszTemplateName", ctypes.c_void_p),
        ("lCustData", ctypes.c_ssize_t),
        ("pfnHook", ctypes.c_void_p),
    ]

#[repr(C, packed(1))]
pub struct ACMFORMATCHOOSEA {
    pub cbStruct: u32,
    pub fdwStyle: u32,
    pub hwndOwner: *mut core::ffi::c_void,
    pub pwfx: *mut core::ffi::c_void,
    pub cbwfx: u32,
    pub pszTitle: *mut core::ffi::c_void,
    pub szFormatTag: [i8; 48],
    pub szFormat: [i8; 128],
    pub pszName: *mut core::ffi::c_void,
    pub cchName: u32,
    pub fdwEnum: u32,
    pub pwfxEnum: *mut core::ffi::c_void,
    pub hInstance: *mut core::ffi::c_void,
    pub pszTemplateName: *mut core::ffi::c_void,
    pub lCustData: isize,
    pub pfnHook: *mut core::ffi::c_void,
}

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

type ACMFORMATCHOOSEA struct {
	cbStruct uint32
	fdwStyle uint32
	hwndOwner uintptr
	pwfx uintptr
	cbwfx uint32
	pszTitle uintptr
	szFormatTag [48]int8
	szFormat [128]int8
	pszName uintptr
	cchName uint32
	fdwEnum uint32
	pwfxEnum uintptr
	hInstance uintptr
	pszTemplateName uintptr
	lCustData uintptr
	pfnHook uintptr
}

type
  ACMFORMATCHOOSEA = packed record
    cbStruct: DWORD;
    fdwStyle: DWORD;
    hwndOwner: Pointer;
    pwfx: Pointer;
    cbwfx: DWORD;
    pszTitle: Pointer;
    szFormatTag: array[0..47] of Shortint;
    szFormat: array[0..127] of Shortint;
    pszName: Pointer;
    cchName: DWORD;
    fdwEnum: DWORD;
    pwfxEnum: Pointer;
    hInstance: Pointer;
    pszTemplateName: Pointer;
    lCustData: NativeInt;
    pfnHook: Pointer;
  end;

const ACMFORMATCHOOSEA = extern struct {
    cbStruct: u32,
    fdwStyle: u32,
    hwndOwner: ?*anyopaque,
    pwfx: ?*anyopaque,
    cbwfx: u32,
    pszTitle: ?*anyopaque,
    szFormatTag: [48]i8,
    szFormat: [128]i8,
    pszName: ?*anyopaque,
    cchName: u32,
    fdwEnum: u32,
    pwfxEnum: ?*anyopaque,
    hInstance: ?*anyopaque,
    pszTemplateName: ?*anyopaque,
    lCustData: isize,
    pfnHook: ?*anyopaque,
};

type
  ACMFORMATCHOOSEA {.packed.} = object
    cbStruct: uint32
    fdwStyle: uint32
    hwndOwner: pointer
    pwfx: pointer
    cbwfx: uint32
    pszTitle: pointer
    szFormatTag: array[48, int8]
    szFormat: array[128, int8]
    pszName: pointer
    cchName: uint32
    fdwEnum: uint32
    pwfxEnum: pointer
    hInstance: pointer
    pszTemplateName: pointer
    lCustData: int
    pfnHook: pointer

align(1)
struct ACMFORMATCHOOSEA
{
    uint cbStruct;
    uint fdwStyle;
    void* hwndOwner;
    void* pwfx;
    uint cbwfx;
    void* pszTitle;
    byte[48] szFormatTag;
    byte[128] szFormat;
    void* pszName;
    uint cchName;
    uint fdwEnum;
    void* pwfxEnum;
    void* hInstance;
    void* pszTemplateName;
    ptrdiff_t lCustData;
    void* pfnHook;
}