NMLVFINDITEMW

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 POINT
{
    public int x;
    public int y;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct LVFINDINFOW
{
    public uint flags;
    public IntPtr psz;
    public IntPtr lParam;
    public POINT pt;
    public uint vkDirection;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NMLVFINDITEMW
{
    public NMHDR hdr;
    public int iStart;
    public LVFINDINFOW lvfi;
}

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 POINT
    Public x As Integer
    Public y As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure LVFINDINFOW
    Public flags As UInteger
    Public psz As IntPtr
    Public lParam As IntPtr
    Public pt As POINT
    Public vkDirection As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NMLVFINDITEMW
    Public hdr As NMHDR
    Public iStart As Integer
    Public lvfi As LVFINDINFOW
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 POINT(ctypes.Structure):
    _fields_ = [
        ("x", ctypes.c_int),
        ("y", ctypes.c_int),
    ]

class LVFINDINFOW(ctypes.Structure):
    _fields_ = [
        ("flags", wintypes.DWORD),
        ("psz", ctypes.c_void_p),
        ("lParam", ctypes.c_ssize_t),
        ("pt", POINT),
        ("vkDirection", wintypes.DWORD),
    ]

class NMLVFINDITEMW(ctypes.Structure):
    _fields_ = [
        ("hdr", NMHDR),
        ("iStart", ctypes.c_int),
        ("lvfi", LVFINDINFOW),
    ]

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

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

#[repr(C)]
pub struct LVFINDINFOW {
    pub flags: u32,
    pub psz: *mut core::ffi::c_void,
    pub lParam: isize,
    pub pt: POINT,
    pub vkDirection: u32,
}

#[repr(C)]
pub struct NMLVFINDITEMW {
    pub hdr: NMHDR,
    pub iStart: i32,
    pub lvfi: LVFINDINFOW,
}

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

type NMHDR struct {
	hwndFrom uintptr
	idFrom uintptr
	code uint32
}

type POINT struct {
	x int32
	y int32
}

type LVFINDINFOW struct {
	flags uint32
	psz uintptr
	lParam uintptr
	pt POINT
	vkDirection uint32
}

type NMLVFINDITEMW struct {
	hdr NMHDR
	iStart int32
	lvfi LVFINDINFOW
}

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

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

  LVFINDINFOW = record
    flags: DWORD;
    psz: Pointer;
    lParam: NativeInt;
    pt: POINT;
    vkDirection: DWORD;
  end;

  NMLVFINDITEMW = record
    hdr: NMHDR;
    iStart: Integer;
    lvfi: LVFINDINFOW;
  end;

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

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

const LVFINDINFOW = extern struct {
    flags: u32,
    psz: ?*anyopaque,
    lParam: isize,
    pt: POINT,
    vkDirection: u32,
};

const NMLVFINDITEMW = extern struct {
    hdr: NMHDR,
    iStart: i32,
    lvfi: LVFINDINFOW,
};

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

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

  LVFINDINFOW {.bycopy.} = object
    flags: uint32
    psz: pointer
    lParam: int
    pt: POINT
    vkDirection: uint32

  NMLVFINDITEMW {.bycopy.} = object
    hdr: NMHDR
    iStart: int32
    lvfi: LVFINDINFOW

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

struct POINT
{
    int x;
    int y;
}

struct LVFINDINFOW
{
    uint flags;
    void* psz;
    ptrdiff_t lParam;
    POINT pt;
    uint vkDirection;
}

struct NMLVFINDITEMW
{
    NMHDR hdr;
    int iStart;
    LVFINDINFOW lvfi;
}