DVEXTENTINFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SIZE
{
    public int cx;
    public int cy;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DVEXTENTINFO
{
    public uint cb;
    public uint dwExtentMode;
    public SIZE sizelProposed;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SIZE
    Public cx As Integer
    Public cy As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DVEXTENTINFO
    Public cb As UInteger
    Public dwExtentMode As UInteger
    Public sizelProposed As SIZE
End Structure

import ctypes
from ctypes import wintypes

class SIZE(ctypes.Structure):
    _fields_ = [
        ("cx", ctypes.c_int),
        ("cy", ctypes.c_int),
    ]

class DVEXTENTINFO(ctypes.Structure):
    _fields_ = [
        ("cb", wintypes.DWORD),
        ("dwExtentMode", wintypes.DWORD),
        ("sizelProposed", SIZE),
    ]

#[repr(C)]
pub struct SIZE {
    pub cx: i32,
    pub cy: i32,
}

#[repr(C)]
pub struct DVEXTENTINFO {
    pub cb: u32,
    pub dwExtentMode: u32,
    pub sizelProposed: SIZE,
}

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

type SIZE struct {
	cx int32
	cy int32
}

type DVEXTENTINFO struct {
	cb uint32
	dwExtentMode uint32
	sizelProposed SIZE
}

type
  SIZE = record
    cx: Integer;
    cy: Integer;
  end;

  DVEXTENTINFO = record
    cb: DWORD;
    dwExtentMode: DWORD;
    sizelProposed: SIZE;
  end;

const SIZE = extern struct {
    cx: i32,
    cy: i32,
};

const DVEXTENTINFO = extern struct {
    cb: u32,
    dwExtentMode: u32,
    sizelProposed: SIZE,
};

type
  SIZE {.bycopy.} = object
    cx: int32
    cy: int32

  DVEXTENTINFO {.bycopy.} = object
    cb: uint32
    dwExtentMode: uint32
    sizelProposed: SIZE

struct SIZE
{
    int cx;
    int cy;
}

struct DVEXTENTINFO
{
    uint cb;
    uint dwExtentMode;
    SIZE sizelProposed;
}