COMBOBOXINFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct RECT
{
    public int left;
    public int top;
    public int right;
    public int bottom;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct COMBOBOXINFO
{
    public uint cbSize;
    public RECT rcItem;
    public RECT rcButton;
    public uint stateButton;
    public IntPtr hwndCombo;
    public IntPtr hwndItem;
    public IntPtr hwndList;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure RECT
    Public left As Integer
    Public top As Integer
    Public right As Integer
    Public bottom As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure COMBOBOXINFO
    Public cbSize As UInteger
    Public rcItem As RECT
    Public rcButton As RECT
    Public stateButton As UInteger
    Public hwndCombo As IntPtr
    Public hwndItem As IntPtr
    Public hwndList As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class RECT(ctypes.Structure):
    _fields_ = [
        ("left", ctypes.c_int),
        ("top", ctypes.c_int),
        ("right", ctypes.c_int),
        ("bottom", ctypes.c_int),
    ]

class COMBOBOXINFO(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("rcItem", RECT),
        ("rcButton", RECT),
        ("stateButton", wintypes.DWORD),
        ("hwndCombo", ctypes.c_void_p),
        ("hwndItem", ctypes.c_void_p),
        ("hwndList", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct RECT {
    pub left: i32,
    pub top: i32,
    pub right: i32,
    pub bottom: i32,
}

#[repr(C)]
pub struct COMBOBOXINFO {
    pub cbSize: u32,
    pub rcItem: RECT,
    pub rcButton: RECT,
    pub stateButton: u32,
    pub hwndCombo: *mut core::ffi::c_void,
    pub hwndItem: *mut core::ffi::c_void,
    pub hwndList: *mut core::ffi::c_void,
}

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

type RECT struct {
	left int32
	top int32
	right int32
	bottom int32
}

type COMBOBOXINFO struct {
	cbSize uint32
	rcItem RECT
	rcButton RECT
	stateButton uint32
	hwndCombo uintptr
	hwndItem uintptr
	hwndList uintptr
}

type
  RECT = record
    left: Integer;
    top: Integer;
    right: Integer;
    bottom: Integer;
  end;

  COMBOBOXINFO = record
    cbSize: DWORD;
    rcItem: RECT;
    rcButton: RECT;
    stateButton: DWORD;
    hwndCombo: Pointer;
    hwndItem: Pointer;
    hwndList: Pointer;
  end;

const RECT = extern struct {
    left: i32,
    top: i32,
    right: i32,
    bottom: i32,
};

const COMBOBOXINFO = extern struct {
    cbSize: u32,
    rcItem: RECT,
    rcButton: RECT,
    stateButton: u32,
    hwndCombo: ?*anyopaque,
    hwndItem: ?*anyopaque,
    hwndList: ?*anyopaque,
};

type
  RECT {.bycopy.} = object
    left: int32
    top: int32
    right: int32
    bottom: int32

  COMBOBOXINFO {.bycopy.} = object
    cbSize: uint32
    rcItem: RECT
    rcButton: RECT
    stateButton: uint32
    hwndCombo: pointer
    hwndItem: pointer
    hwndList: pointer

struct RECT
{
    int left;
    int top;
    int right;
    int bottom;
}

struct COMBOBOXINFO
{
    uint cbSize;
    RECT rcItem;
    RECT rcButton;
    uint stateButton;
    void* hwndCombo;
    void* hwndItem;
    void* hwndList;
}