HTML_PAINT_DRAW_INFO

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 HTML_PAINT_XFORM
{
    public float eM11;
    public float eM12;
    public float eM21;
    public float eM22;
    public float eDx;
    public float eDy;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct HTML_PAINT_DRAW_INFO
{
    public RECT rcViewport;
    public IntPtr hrgnUpdate;
    public HTML_PAINT_XFORM xform;
}

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 HTML_PAINT_XFORM
    Public eM11 As Single
    Public eM12 As Single
    Public eM21 As Single
    Public eM22 As Single
    Public eDx As Single
    Public eDy As Single
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure HTML_PAINT_DRAW_INFO
    Public rcViewport As RECT
    Public hrgnUpdate As IntPtr
    Public xform As HTML_PAINT_XFORM
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 HTML_PAINT_XFORM(ctypes.Structure):
    _fields_ = [
        ("eM11", ctypes.c_float),
        ("eM12", ctypes.c_float),
        ("eM21", ctypes.c_float),
        ("eM22", ctypes.c_float),
        ("eDx", ctypes.c_float),
        ("eDy", ctypes.c_float),
    ]

class HTML_PAINT_DRAW_INFO(ctypes.Structure):
    _fields_ = [
        ("rcViewport", RECT),
        ("hrgnUpdate", ctypes.c_void_p),
        ("xform", HTML_PAINT_XFORM),
    ]

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

#[repr(C)]
pub struct HTML_PAINT_XFORM {
    pub eM11: f32,
    pub eM12: f32,
    pub eM21: f32,
    pub eM22: f32,
    pub eDx: f32,
    pub eDy: f32,
}

#[repr(C)]
pub struct HTML_PAINT_DRAW_INFO {
    pub rcViewport: RECT,
    pub hrgnUpdate: *mut core::ffi::c_void,
    pub xform: HTML_PAINT_XFORM,
}

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

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

type HTML_PAINT_XFORM struct {
	eM11 float32
	eM12 float32
	eM21 float32
	eM22 float32
	eDx float32
	eDy float32
}

type HTML_PAINT_DRAW_INFO struct {
	rcViewport RECT
	hrgnUpdate uintptr
	xform HTML_PAINT_XFORM
}

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

  HTML_PAINT_XFORM = record
    eM11: Single;
    eM12: Single;
    eM21: Single;
    eM22: Single;
    eDx: Single;
    eDy: Single;
  end;

  HTML_PAINT_DRAW_INFO = record
    rcViewport: RECT;
    hrgnUpdate: Pointer;
    xform: HTML_PAINT_XFORM;
  end;

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

const HTML_PAINT_XFORM = extern struct {
    eM11: f32,
    eM12: f32,
    eM21: f32,
    eM22: f32,
    eDx: f32,
    eDy: f32,
};

const HTML_PAINT_DRAW_INFO = extern struct {
    rcViewport: RECT,
    hrgnUpdate: ?*anyopaque,
    xform: HTML_PAINT_XFORM,
};

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

  HTML_PAINT_XFORM {.bycopy.} = object
    eM11: float32
    eM12: float32
    eM21: float32
    eM22: float32
    eDx: float32
    eDy: float32

  HTML_PAINT_DRAW_INFO {.bycopy.} = object
    rcViewport: RECT
    hrgnUpdate: pointer
    xform: HTML_PAINT_XFORM

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

struct HTML_PAINT_XFORM
{
    float eM11;
    float eM12;
    float eM21;
    float eM22;
    float eDx;
    float eDy;
}

struct HTML_PAINT_DRAW_INFO
{
    RECT rcViewport;
    void* hrgnUpdate;
    HTML_PAINT_XFORM xform;
}