TVHITTESTINFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct POINT
{
    public int x;
    public int y;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct TVHITTESTINFO
{
    public POINT pt;
    public uint flags;
    public IntPtr hItem;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure POINT
    Public x As Integer
    Public y As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure TVHITTESTINFO
    Public pt As POINT
    Public flags As UInteger
    Public hItem As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class POINT(ctypes.Structure):
    _fields_ = [
        ("x", ctypes.c_int),
        ("y", ctypes.c_int),
    ]

class TVHITTESTINFO(ctypes.Structure):
    _fields_ = [
        ("pt", POINT),
        ("flags", wintypes.DWORD),
        ("hItem", ctypes.c_ssize_t),
    ]

#[repr(C)]
pub struct POINT {
    pub x: i32,
    pub y: i32,
}

#[repr(C)]
pub struct TVHITTESTINFO {
    pub pt: POINT,
    pub flags: u32,
    pub hItem: isize,
}

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

type POINT struct {
	x int32
	y int32
}

type TVHITTESTINFO struct {
	pt POINT
	flags uint32
	hItem uintptr
}

type
  POINT = record
    x: Integer;
    y: Integer;
  end;

  TVHITTESTINFO = record
    pt: POINT;
    flags: DWORD;
    hItem: NativeInt;
  end;

const POINT = extern struct {
    x: i32,
    y: i32,
};

const TVHITTESTINFO = extern struct {
    pt: POINT,
    flags: u32,
    hItem: isize,
};

type
  POINT {.bycopy.} = object
    x: int32
    y: int32

  TVHITTESTINFO {.bycopy.} = object
    pt: POINT
    flags: uint32
    hItem: int

struct POINT
{
    int x;
    int y;
}

struct TVHITTESTINFO
{
    POINT pt;
    uint flags;
    ptrdiff_t hItem;
}