TASKDIALOGCONFIG

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct TASKDIALOGCONFIG
{
    public uint cbSize;
    public IntPtr hwndParent;
    public IntPtr hInstance;
    public int dwFlags;
    public int dwCommonButtons;
    public IntPtr pszWindowTitle;
    public _Anonymous1_e__Union Anonymous1;
    public IntPtr pszMainInstruction;
    public IntPtr pszContent;
    public uint cButtons;
    public IntPtr pButtons;
    public int nDefaultButton;
    public uint cRadioButtons;
    public IntPtr pRadioButtons;
    public int nDefaultRadioButton;
    public IntPtr pszVerificationText;
    public IntPtr pszExpandedInformation;
    public IntPtr pszExpandedControlText;
    public IntPtr pszCollapsedControlText;
    public _Anonymous2_e__Union Anonymous2;
    public IntPtr pszFooter;
    public IntPtr pfCallback;
    public IntPtr lpCallbackData;
    public uint cxWidth;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure TASKDIALOGCONFIG
    Public cbSize As UInteger
    Public hwndParent As IntPtr
    Public hInstance As IntPtr
    Public dwFlags As Integer
    Public dwCommonButtons As Integer
    Public pszWindowTitle As IntPtr
    Public Anonymous1 As _Anonymous1_e__Union
    Public pszMainInstruction As IntPtr
    Public pszContent As IntPtr
    Public cButtons As UInteger
    Public pButtons As IntPtr
    Public nDefaultButton As Integer
    Public cRadioButtons As UInteger
    Public pRadioButtons As IntPtr
    Public nDefaultRadioButton As Integer
    Public pszVerificationText As IntPtr
    Public pszExpandedInformation As IntPtr
    Public pszExpandedControlText As IntPtr
    Public pszCollapsedControlText As IntPtr
    Public Anonymous2 As _Anonymous2_e__Union
    Public pszFooter As IntPtr
    Public pfCallback As IntPtr
    Public lpCallbackData As IntPtr
    Public cxWidth As UInteger
End Structure

import ctypes
from ctypes import wintypes

class TASKDIALOGCONFIG(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("hwndParent", ctypes.c_void_p),
        ("hInstance", ctypes.c_void_p),
        ("dwFlags", ctypes.c_int),
        ("dwCommonButtons", ctypes.c_int),
        ("pszWindowTitle", ctypes.c_void_p),
        ("Anonymous1", _Anonymous1_e__Union),
        ("pszMainInstruction", ctypes.c_void_p),
        ("pszContent", ctypes.c_void_p),
        ("cButtons", wintypes.DWORD),
        ("pButtons", ctypes.c_void_p),
        ("nDefaultButton", ctypes.c_int),
        ("cRadioButtons", wintypes.DWORD),
        ("pRadioButtons", ctypes.c_void_p),
        ("nDefaultRadioButton", ctypes.c_int),
        ("pszVerificationText", ctypes.c_void_p),
        ("pszExpandedInformation", ctypes.c_void_p),
        ("pszExpandedControlText", ctypes.c_void_p),
        ("pszCollapsedControlText", ctypes.c_void_p),
        ("Anonymous2", _Anonymous2_e__Union),
        ("pszFooter", ctypes.c_void_p),
        ("pfCallback", ctypes.c_void_p),
        ("lpCallbackData", ctypes.c_ssize_t),
        ("cxWidth", wintypes.DWORD),
    ]

#[repr(C, packed(1))]
pub struct TASKDIALOGCONFIG {
    pub cbSize: u32,
    pub hwndParent: *mut core::ffi::c_void,
    pub hInstance: *mut core::ffi::c_void,
    pub dwFlags: i32,
    pub dwCommonButtons: i32,
    pub pszWindowTitle: *mut core::ffi::c_void,
    pub Anonymous1: _Anonymous1_e__Union,
    pub pszMainInstruction: *mut core::ffi::c_void,
    pub pszContent: *mut core::ffi::c_void,
    pub cButtons: u32,
    pub pButtons: *mut core::ffi::c_void,
    pub nDefaultButton: i32,
    pub cRadioButtons: u32,
    pub pRadioButtons: *mut core::ffi::c_void,
    pub nDefaultRadioButton: i32,
    pub pszVerificationText: *mut core::ffi::c_void,
    pub pszExpandedInformation: *mut core::ffi::c_void,
    pub pszExpandedControlText: *mut core::ffi::c_void,
    pub pszCollapsedControlText: *mut core::ffi::c_void,
    pub Anonymous2: _Anonymous2_e__Union,
    pub pszFooter: *mut core::ffi::c_void,
    pub pfCallback: *mut core::ffi::c_void,
    pub lpCallbackData: isize,
    pub cxWidth: u32,
}

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

type TASKDIALOGCONFIG struct {
	cbSize uint32
	hwndParent uintptr
	hInstance uintptr
	dwFlags int32
	dwCommonButtons int32
	pszWindowTitle uintptr
	Anonymous1 _Anonymous1_e__Union
	pszMainInstruction uintptr
	pszContent uintptr
	cButtons uint32
	pButtons uintptr
	nDefaultButton int32
	cRadioButtons uint32
	pRadioButtons uintptr
	nDefaultRadioButton int32
	pszVerificationText uintptr
	pszExpandedInformation uintptr
	pszExpandedControlText uintptr
	pszCollapsedControlText uintptr
	Anonymous2 _Anonymous2_e__Union
	pszFooter uintptr
	pfCallback uintptr
	lpCallbackData uintptr
	cxWidth uint32
}

type
  TASKDIALOGCONFIG = packed record
    cbSize: DWORD;
    hwndParent: Pointer;
    hInstance: Pointer;
    dwFlags: Integer;
    dwCommonButtons: Integer;
    pszWindowTitle: Pointer;
    Anonymous1: _Anonymous1_e__Union;
    pszMainInstruction: Pointer;
    pszContent: Pointer;
    cButtons: DWORD;
    pButtons: Pointer;
    nDefaultButton: Integer;
    cRadioButtons: DWORD;
    pRadioButtons: Pointer;
    nDefaultRadioButton: Integer;
    pszVerificationText: Pointer;
    pszExpandedInformation: Pointer;
    pszExpandedControlText: Pointer;
    pszCollapsedControlText: Pointer;
    Anonymous2: _Anonymous2_e__Union;
    pszFooter: Pointer;
    pfCallback: Pointer;
    lpCallbackData: NativeInt;
    cxWidth: DWORD;
  end;

const TASKDIALOGCONFIG = extern struct {
    cbSize: u32,
    hwndParent: ?*anyopaque,
    hInstance: ?*anyopaque,
    dwFlags: i32,
    dwCommonButtons: i32,
    pszWindowTitle: ?*anyopaque,
    Anonymous1: _Anonymous1_e__Union,
    pszMainInstruction: ?*anyopaque,
    pszContent: ?*anyopaque,
    cButtons: u32,
    pButtons: ?*anyopaque,
    nDefaultButton: i32,
    cRadioButtons: u32,
    pRadioButtons: ?*anyopaque,
    nDefaultRadioButton: i32,
    pszVerificationText: ?*anyopaque,
    pszExpandedInformation: ?*anyopaque,
    pszExpandedControlText: ?*anyopaque,
    pszCollapsedControlText: ?*anyopaque,
    Anonymous2: _Anonymous2_e__Union,
    pszFooter: ?*anyopaque,
    pfCallback: ?*anyopaque,
    lpCallbackData: isize,
    cxWidth: u32,
};

type
  TASKDIALOGCONFIG {.packed.} = object
    cbSize: uint32
    hwndParent: pointer
    hInstance: pointer
    dwFlags: int32
    dwCommonButtons: int32
    pszWindowTitle: pointer
    Anonymous1: _Anonymous1_e__Union
    pszMainInstruction: pointer
    pszContent: pointer
    cButtons: uint32
    pButtons: pointer
    nDefaultButton: int32
    cRadioButtons: uint32
    pRadioButtons: pointer
    nDefaultRadioButton: int32
    pszVerificationText: pointer
    pszExpandedInformation: pointer
    pszExpandedControlText: pointer
    pszCollapsedControlText: pointer
    Anonymous2: _Anonymous2_e__Union
    pszFooter: pointer
    pfCallback: pointer
    lpCallbackData: int
    cxWidth: uint32

align(1)
struct TASKDIALOGCONFIG
{
    uint cbSize;
    void* hwndParent;
    void* hInstance;
    int dwFlags;
    int dwCommonButtons;
    void* pszWindowTitle;
    _Anonymous1_e__Union Anonymous1;
    void* pszMainInstruction;
    void* pszContent;
    uint cButtons;
    void* pButtons;
    int nDefaultButton;
    uint cRadioButtons;
    void* pRadioButtons;
    int nDefaultRadioButton;
    void* pszVerificationText;
    void* pszExpandedInformation;
    void* pszExpandedControlText;
    void* pszCollapsedControlText;
    _Anonymous2_e__Union Anonymous2;
    void* pszFooter;
    void* pfCallback;
    ptrdiff_t lpCallbackData;
    uint cxWidth;
}