SL_AD_ACTIVATION_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SL_ACTIVATION_INFO_HEADER
{
    public uint cbSize;
    public int type;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SL_AD_ACTIVATION_INFO
{
    public SL_ACTIVATION_INFO_HEADER header;
    public IntPtr pwszProductKey;
    public IntPtr pwszActivationObjectName;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SL_ACTIVATION_INFO_HEADER
    Public cbSize As UInteger
    Public type As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SL_AD_ACTIVATION_INFO
    Public header As SL_ACTIVATION_INFO_HEADER
    Public pwszProductKey As IntPtr
    Public pwszActivationObjectName As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class SL_ACTIVATION_INFO_HEADER(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("type", ctypes.c_int),
    ]

class SL_AD_ACTIVATION_INFO(ctypes.Structure):
    _fields_ = [
        ("header", SL_ACTIVATION_INFO_HEADER),
        ("pwszProductKey", ctypes.c_void_p),
        ("pwszActivationObjectName", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct SL_ACTIVATION_INFO_HEADER {
    pub cbSize: u32,
    pub type: i32,
}

#[repr(C)]
pub struct SL_AD_ACTIVATION_INFO {
    pub header: SL_ACTIVATION_INFO_HEADER,
    pub pwszProductKey: *mut core::ffi::c_void,
    pub pwszActivationObjectName: *mut core::ffi::c_void,
}

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

type SL_ACTIVATION_INFO_HEADER struct {
	cbSize uint32
	type int32
}

type SL_AD_ACTIVATION_INFO struct {
	header SL_ACTIVATION_INFO_HEADER
	pwszProductKey uintptr
	pwszActivationObjectName uintptr
}

type
  SL_ACTIVATION_INFO_HEADER = record
    cbSize: DWORD;
    type: Integer;
  end;

  SL_AD_ACTIVATION_INFO = record
    header: SL_ACTIVATION_INFO_HEADER;
    pwszProductKey: Pointer;
    pwszActivationObjectName: Pointer;
  end;

const SL_ACTIVATION_INFO_HEADER = extern struct {
    cbSize: u32,
    type: i32,
};

const SL_AD_ACTIVATION_INFO = extern struct {
    header: SL_ACTIVATION_INFO_HEADER,
    pwszProductKey: ?*anyopaque,
    pwszActivationObjectName: ?*anyopaque,
};

type
  SL_ACTIVATION_INFO_HEADER {.bycopy.} = object
    cbSize: uint32
    type: int32

  SL_AD_ACTIVATION_INFO {.bycopy.} = object
    header: SL_ACTIVATION_INFO_HEADER
    pwszProductKey: pointer
    pwszActivationObjectName: pointer

struct SL_ACTIVATION_INFO_HEADER
{
    uint cbSize;
    int type;
}

struct SL_AD_ACTIVATION_INFO
{
    SL_ACTIVATION_INFO_HEADER header;
    void* pwszProductKey;
    void* pwszActivationObjectName;
}