PACKET_DESCRIPTION

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PACKET_DESCRIPTION
{
    public uint cbPacketSize;
    public uint cPacketProperties;
    public IntPtr pPacketProperties;
    public uint cButtons;
    public IntPtr pguidButtons;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PACKET_DESCRIPTION
    Public cbPacketSize As UInteger
    Public cPacketProperties As UInteger
    Public pPacketProperties As IntPtr
    Public cButtons As UInteger
    Public pguidButtons As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class PACKET_DESCRIPTION(ctypes.Structure):
    _fields_ = [
        ("cbPacketSize", wintypes.DWORD),
        ("cPacketProperties", wintypes.DWORD),
        ("pPacketProperties", ctypes.c_void_p),
        ("cButtons", wintypes.DWORD),
        ("pguidButtons", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct PACKET_DESCRIPTION {
    pub cbPacketSize: u32,
    pub cPacketProperties: u32,
    pub pPacketProperties: *mut core::ffi::c_void,
    pub cButtons: u32,
    pub pguidButtons: *mut core::ffi::c_void,
}

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

type PACKET_DESCRIPTION struct {
	cbPacketSize uint32
	cPacketProperties uint32
	pPacketProperties uintptr
	cButtons uint32
	pguidButtons uintptr
}

type
  PACKET_DESCRIPTION = record
    cbPacketSize: DWORD;
    cPacketProperties: DWORD;
    pPacketProperties: Pointer;
    cButtons: DWORD;
    pguidButtons: Pointer;
  end;

const PACKET_DESCRIPTION = extern struct {
    cbPacketSize: u32,
    cPacketProperties: u32,
    pPacketProperties: ?*anyopaque,
    cButtons: u32,
    pguidButtons: ?*anyopaque,
};

type
  PACKET_DESCRIPTION {.bycopy.} = object
    cbPacketSize: uint32
    cPacketProperties: uint32
    pPacketProperties: pointer
    cButtons: uint32
    pguidButtons: pointer

struct PACKET_DESCRIPTION
{
    uint cbPacketSize;
    uint cPacketProperties;
    void* pPacketProperties;
    uint cButtons;
    void* pguidButtons;
}