EVENTMSG

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct EVENTMSG
{
    public uint message;
    public uint paramL;
    public uint paramH;
    public uint time;
    public IntPtr hwnd;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure EVENTMSG
    Public message As UInteger
    Public paramL As UInteger
    Public paramH As UInteger
    Public time As UInteger
    Public hwnd As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class EVENTMSG(ctypes.Structure):
    _fields_ = [
        ("message", wintypes.DWORD),
        ("paramL", wintypes.DWORD),
        ("paramH", wintypes.DWORD),
        ("time", wintypes.DWORD),
        ("hwnd", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct EVENTMSG {
    pub message: u32,
    pub paramL: u32,
    pub paramH: u32,
    pub time: u32,
    pub hwnd: *mut core::ffi::c_void,
}

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

type EVENTMSG struct {
	message uint32
	paramL uint32
	paramH uint32
	time uint32
	hwnd uintptr
}

type
  EVENTMSG = record
    message: DWORD;
    paramL: DWORD;
    paramH: DWORD;
    time: DWORD;
    hwnd: Pointer;
  end;

const EVENTMSG = extern struct {
    message: u32,
    paramL: u32,
    paramH: u32,
    time: u32,
    hwnd: ?*anyopaque,
};

type
  EVENTMSG {.bycopy.} = object
    message: uint32
    paramL: uint32
    paramH: uint32
    time: uint32
    hwnd: pointer

struct EVENTMSG
{
    uint message;
    uint paramL;
    uint paramH;
    uint time;
    void* hwnd;
}