TBBUTTONINFOW

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct TBBUTTONINFOW
{
    public uint cbSize;
    public uint dwMask;
    public int idCommand;
    public int iImage;
    public byte fsState;
    public byte fsStyle;
    public ushort cx;
    public UIntPtr lParam;
    public IntPtr pszText;
    public int cchText;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure TBBUTTONINFOW
    Public cbSize As UInteger
    Public dwMask As UInteger
    Public idCommand As Integer
    Public iImage As Integer
    Public fsState As Byte
    Public fsStyle As Byte
    Public cx As UShort
    Public lParam As UIntPtr
    Public pszText As IntPtr
    Public cchText As Integer
End Structure

import ctypes
from ctypes import wintypes

class TBBUTTONINFOW(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("dwMask", wintypes.DWORD),
        ("idCommand", ctypes.c_int),
        ("iImage", ctypes.c_int),
        ("fsState", ctypes.c_ubyte),
        ("fsStyle", ctypes.c_ubyte),
        ("cx", ctypes.c_ushort),
        ("lParam", ctypes.c_size_t),
        ("pszText", ctypes.c_void_p),
        ("cchText", ctypes.c_int),
    ]

#[repr(C)]
pub struct TBBUTTONINFOW {
    pub cbSize: u32,
    pub dwMask: u32,
    pub idCommand: i32,
    pub iImage: i32,
    pub fsState: u8,
    pub fsStyle: u8,
    pub cx: u16,
    pub lParam: usize,
    pub pszText: *mut core::ffi::c_void,
    pub cchText: i32,
}

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

type TBBUTTONINFOW struct {
	cbSize uint32
	dwMask uint32
	idCommand int32
	iImage int32
	fsState byte
	fsStyle byte
	cx uint16
	lParam uintptr
	pszText uintptr
	cchText int32
}

type
  TBBUTTONINFOW = record
    cbSize: DWORD;
    dwMask: DWORD;
    idCommand: Integer;
    iImage: Integer;
    fsState: Byte;
    fsStyle: Byte;
    cx: Word;
    lParam: NativeUInt;
    pszText: Pointer;
    cchText: Integer;
  end;

const TBBUTTONINFOW = extern struct {
    cbSize: u32,
    dwMask: u32,
    idCommand: i32,
    iImage: i32,
    fsState: u8,
    fsStyle: u8,
    cx: u16,
    lParam: usize,
    pszText: ?*anyopaque,
    cchText: i32,
};

type
  TBBUTTONINFOW {.bycopy.} = object
    cbSize: uint32
    dwMask: uint32
    idCommand: int32
    iImage: int32
    fsState: uint8
    fsStyle: uint8
    cx: uint16
    lParam: uint
    pszText: pointer
    cchText: int32

struct TBBUTTONINFOW
{
    uint cbSize;
    uint dwMask;
    int idCommand;
    int iImage;
    ubyte fsState;
    ubyte fsStyle;
    ushort cx;
    size_t lParam;
    void* pszText;
    int cchText;
}