FORM_INFO_1A

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 RECTL
{
    public int left;
    public int top;
    public int right;
    public int bottom;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct FORM_INFO_1A
{
    public uint Flags;
    public IntPtr pName;
    public SIZE Size;
    public RECTL ImageableArea;
}

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 RECTL
    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 FORM_INFO_1A
    Public Flags As UInteger
    Public pName As IntPtr
    Public Size As SIZE
    Public ImageableArea As RECTL
End Structure

import ctypes
from ctypes import wintypes

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

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

class FORM_INFO_1A(ctypes.Structure):
    _fields_ = [
        ("Flags", wintypes.DWORD),
        ("pName", ctypes.c_void_p),
        ("Size", SIZE),
        ("ImageableArea", RECTL),
    ]

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

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

#[repr(C)]
pub struct FORM_INFO_1A {
    pub Flags: u32,
    pub pName: *mut core::ffi::c_void,
    pub Size: SIZE,
    pub ImageableArea: RECTL,
}

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

type SIZE struct {
	cx int32
	cy int32
}

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

type FORM_INFO_1A struct {
	Flags uint32
	pName uintptr
	Size SIZE
	ImageableArea RECTL
}

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

  RECTL = record
    left: Integer;
    top: Integer;
    right: Integer;
    bottom: Integer;
  end;

  FORM_INFO_1A = record
    Flags: DWORD;
    pName: Pointer;
    Size: SIZE;
    ImageableArea: RECTL;
  end;

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

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

const FORM_INFO_1A = extern struct {
    Flags: u32,
    pName: ?*anyopaque,
    Size: SIZE,
    ImageableArea: RECTL,
};

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

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

  FORM_INFO_1A {.bycopy.} = object
    Flags: uint32
    pName: pointer
    Size: SIZE
    ImageableArea: RECTL

struct SIZE
{
    int cx;
    int cy;
}

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

struct FORM_INFO_1A
{
    uint Flags;
    void* pName;
    SIZE Size;
    RECTL ImageableArea;
}