PAINTSTRUCT

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 PAINTSTRUCT
{
    public IntPtr hdc;
    [MarshalAs(UnmanagedType.Bool)] public bool fErase;
    public RECT rcPaint;
    [MarshalAs(UnmanagedType.Bool)] public bool fRestore;
    [MarshalAs(UnmanagedType.Bool)] public bool fIncUpdate;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)] public byte[] rgbReserved;
}

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 PAINTSTRUCT
    Public hdc As IntPtr
    <MarshalAs(UnmanagedType.Bool)> Public fErase As Boolean
    Public rcPaint As RECT
    <MarshalAs(UnmanagedType.Bool)> Public fRestore As Boolean
    <MarshalAs(UnmanagedType.Bool)> Public fIncUpdate As Boolean
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=32)> Public rgbReserved() As Byte
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 PAINTSTRUCT(ctypes.Structure):
    _fields_ = [
        ("hdc", ctypes.c_void_p),
        ("fErase", wintypes.BOOL),
        ("rcPaint", RECT),
        ("fRestore", wintypes.BOOL),
        ("fIncUpdate", wintypes.BOOL),
        ("rgbReserved", ctypes.c_ubyte * 32),
    ]

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

#[repr(C)]
pub struct PAINTSTRUCT {
    pub hdc: *mut core::ffi::c_void,
    pub fErase: i32,
    pub rcPaint: RECT,
    pub fRestore: i32,
    pub fIncUpdate: i32,
    pub rgbReserved: [u8; 32],
}

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

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

type PAINTSTRUCT struct {
	hdc uintptr
	fErase int32
	rcPaint RECT
	fRestore int32
	fIncUpdate int32
	rgbReserved [32]byte
}

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

  PAINTSTRUCT = record
    hdc: Pointer;
    fErase: BOOL;
    rcPaint: RECT;
    fRestore: BOOL;
    fIncUpdate: BOOL;
    rgbReserved: array[0..31] of Byte;
  end;

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

const PAINTSTRUCT = extern struct {
    hdc: ?*anyopaque,
    fErase: i32,
    rcPaint: RECT,
    fRestore: i32,
    fIncUpdate: i32,
    rgbReserved: [32]u8,
};

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

  PAINTSTRUCT {.bycopy.} = object
    hdc: pointer
    fErase: int32
    rcPaint: RECT
    fRestore: int32
    fIncUpdate: int32
    rgbReserved: array[32, uint8]

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

struct PAINTSTRUCT
{
    void* hdc;
    int fErase;
    RECT rcPaint;
    int fRestore;
    int fIncUpdate;
    ubyte[32] rgbReserved;
}