NMREBARCHILDSIZE

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NMHDR
{
    public IntPtr hwndFrom;
    public UIntPtr idFrom;
    public uint code;
}

[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 NMREBARCHILDSIZE
{
    public NMHDR hdr;
    public uint uBand;
    public uint wID;
    public RECT rcChild;
    public RECT rcBand;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NMHDR
    Public hwndFrom As IntPtr
    Public idFrom As UIntPtr
    Public code As UInteger
End Structure

<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 NMREBARCHILDSIZE
    Public hdr As NMHDR
    Public uBand As UInteger
    Public wID As UInteger
    Public rcChild As RECT
    Public rcBand As RECT
End Structure

import ctypes
from ctypes import wintypes

class NMHDR(ctypes.Structure):
    _fields_ = [
        ("hwndFrom", ctypes.c_void_p),
        ("idFrom", ctypes.c_size_t),
        ("code", wintypes.DWORD),
    ]

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

class NMREBARCHILDSIZE(ctypes.Structure):
    _fields_ = [
        ("hdr", NMHDR),
        ("uBand", wintypes.DWORD),
        ("wID", wintypes.DWORD),
        ("rcChild", RECT),
        ("rcBand", RECT),
    ]

#[repr(C)]
pub struct NMHDR {
    pub hwndFrom: *mut core::ffi::c_void,
    pub idFrom: usize,
    pub code: u32,
}

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

#[repr(C)]
pub struct NMREBARCHILDSIZE {
    pub hdr: NMHDR,
    pub uBand: u32,
    pub wID: u32,
    pub rcChild: RECT,
    pub rcBand: RECT,
}

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

type NMHDR struct {
	hwndFrom uintptr
	idFrom uintptr
	code uint32
}

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

type NMREBARCHILDSIZE struct {
	hdr NMHDR
	uBand uint32
	wID uint32
	rcChild RECT
	rcBand RECT
}

type
  NMHDR = record
    hwndFrom: Pointer;
    idFrom: NativeUInt;
    code: DWORD;
  end;

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

  NMREBARCHILDSIZE = record
    hdr: NMHDR;
    uBand: DWORD;
    wID: DWORD;
    rcChild: RECT;
    rcBand: RECT;
  end;

const NMHDR = extern struct {
    hwndFrom: ?*anyopaque,
    idFrom: usize,
    code: u32,
};

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

const NMREBARCHILDSIZE = extern struct {
    hdr: NMHDR,
    uBand: u32,
    wID: u32,
    rcChild: RECT,
    rcBand: RECT,
};

type
  NMHDR {.bycopy.} = object
    hwndFrom: pointer
    idFrom: uint
    code: uint32

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

  NMREBARCHILDSIZE {.bycopy.} = object
    hdr: NMHDR
    uBand: uint32
    wID: uint32
    rcChild: RECT
    rcBand: RECT

struct NMHDR
{
    void* hwndFrom;
    size_t idFrom;
    uint code;
}

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

struct NMREBARCHILDSIZE
{
    NMHDR hdr;
    uint uBand;
    uint wID;
    RECT rcChild;
    RECT rcBand;
}