THUMBBUTTON

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct THUMBBUTTON
{
    public int dwMask;
    public uint iId;
    public uint iBitmap;
    public IntPtr hIcon;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] public string szTip;
    public int dwFlags;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure THUMBBUTTON
    Public dwMask As Integer
    Public iId As UInteger
    Public iBitmap As UInteger
    Public hIcon As IntPtr
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=260)> Public szTip As String
    Public dwFlags As Integer
End Structure

import ctypes
from ctypes import wintypes

class THUMBBUTTON(ctypes.Structure):
    _fields_ = [
        ("dwMask", ctypes.c_int),
        ("iId", wintypes.DWORD),
        ("iBitmap", wintypes.DWORD),
        ("hIcon", ctypes.c_void_p),
        ("szTip", ctypes.c_wchar * 260),
        ("dwFlags", ctypes.c_int),
    ]

#[repr(C)]
pub struct THUMBBUTTON {
    pub dwMask: i32,
    pub iId: u32,
    pub iBitmap: u32,
    pub hIcon: *mut core::ffi::c_void,
    pub szTip: [u16; 260],
    pub dwFlags: i32,
}

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

type THUMBBUTTON struct {
	dwMask int32
	iId uint32
	iBitmap uint32
	hIcon uintptr
	szTip [260]uint16
	dwFlags int32
}

type
  THUMBBUTTON = record
    dwMask: Integer;
    iId: DWORD;
    iBitmap: DWORD;
    hIcon: Pointer;
    szTip: array[0..259] of WideChar;
    dwFlags: Integer;
  end;

const THUMBBUTTON = extern struct {
    dwMask: i32,
    iId: u32,
    iBitmap: u32,
    hIcon: ?*anyopaque,
    szTip: [260]u16,
    dwFlags: i32,
};

type
  THUMBBUTTON {.bycopy.} = object
    dwMask: int32
    iId: uint32
    iBitmap: uint32
    hIcon: pointer
    szTip: array[260, uint16]
    dwFlags: int32

struct THUMBBUTTON
{
    int dwMask;
    uint iId;
    uint iBitmap;
    void* hIcon;
    wchar[260] szTip;
    int dwFlags;
}