CWPRETSTRUCT

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CWPRETSTRUCT
{
    public IntPtr lResult;
    public IntPtr lParam;
    public UIntPtr wParam;
    public uint message;
    public IntPtr hwnd;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CWPRETSTRUCT
    Public lResult As IntPtr
    Public lParam As IntPtr
    Public wParam As UIntPtr
    Public message As UInteger
    Public hwnd As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class CWPRETSTRUCT(ctypes.Structure):
    _fields_ = [
        ("lResult", ctypes.c_ssize_t),
        ("lParam", ctypes.c_ssize_t),
        ("wParam", ctypes.c_size_t),
        ("message", wintypes.DWORD),
        ("hwnd", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct CWPRETSTRUCT {
    pub lResult: isize,
    pub lParam: isize,
    pub wParam: usize,
    pub message: u32,
    pub hwnd: *mut core::ffi::c_void,
}

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

type CWPRETSTRUCT struct {
	lResult uintptr
	lParam uintptr
	wParam uintptr
	message uint32
	hwnd uintptr
}

type
  CWPRETSTRUCT = record
    lResult: NativeInt;
    lParam: NativeInt;
    wParam: NativeUInt;
    message: DWORD;
    hwnd: Pointer;
  end;

const CWPRETSTRUCT = extern struct {
    lResult: isize,
    lParam: isize,
    wParam: usize,
    message: u32,
    hwnd: ?*anyopaque,
};

type
  CWPRETSTRUCT {.bycopy.} = object
    lResult: int
    lParam: int
    wParam: uint
    message: uint32
    hwnd: pointer

struct CWPRETSTRUCT
{
    ptrdiff_t lResult;
    ptrdiff_t lParam;
    size_t wParam;
    uint message;
    void* hwnd;
}