NMCBEDRAGBEGINW

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 NMCBEDRAGBEGINW
{
    public NMHDR hdr;
    public int iItemid;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] public string szText;
}

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 NMCBEDRAGBEGINW
    Public hdr As NMHDR
    Public iItemid As Integer
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=260)> Public szText As String
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 NMCBEDRAGBEGINW(ctypes.Structure):
    _fields_ = [
        ("hdr", NMHDR),
        ("iItemid", ctypes.c_int),
        ("szText", ctypes.c_wchar * 260),
    ]

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

#[repr(C)]
pub struct NMCBEDRAGBEGINW {
    pub hdr: NMHDR,
    pub iItemid: i32,
    pub szText: [u16; 260],
}

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

type NMHDR struct {
	hwndFrom uintptr
	idFrom uintptr
	code uint32
}

type NMCBEDRAGBEGINW struct {
	hdr NMHDR
	iItemid int32
	szText [260]uint16
}

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

  NMCBEDRAGBEGINW = record
    hdr: NMHDR;
    iItemid: Integer;
    szText: array[0..259] of WideChar;
  end;

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

const NMCBEDRAGBEGINW = extern struct {
    hdr: NMHDR,
    iItemid: i32,
    szText: [260]u16,
};

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

  NMCBEDRAGBEGINW {.bycopy.} = object
    hdr: NMHDR
    iItemid: int32
    szText: array[260, uint16]

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

struct NMCBEDRAGBEGINW
{
    NMHDR hdr;
    int iItemid;
    wchar[260] szText;
}