DD_PALETTECALLBACKS

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DD_PALETTECALLBACKS
{
    public uint dwSize;
    public uint dwFlags;
    public IntPtr DestroyPalette;
    public IntPtr SetEntries;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DD_PALETTECALLBACKS
    Public dwSize As UInteger
    Public dwFlags As UInteger
    Public DestroyPalette As IntPtr
    Public SetEntries As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class DD_PALETTECALLBACKS(ctypes.Structure):
    _fields_ = [
        ("dwSize", wintypes.DWORD),
        ("dwFlags", wintypes.DWORD),
        ("DestroyPalette", ctypes.c_void_p),
        ("SetEntries", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct DD_PALETTECALLBACKS {
    pub dwSize: u32,
    pub dwFlags: u32,
    pub DestroyPalette: *mut core::ffi::c_void,
    pub SetEntries: *mut core::ffi::c_void,
}

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

type DD_PALETTECALLBACKS struct {
	dwSize uint32
	dwFlags uint32
	DestroyPalette uintptr
	SetEntries uintptr
}

type
  DD_PALETTECALLBACKS = record
    dwSize: DWORD;
    dwFlags: DWORD;
    DestroyPalette: Pointer;
    SetEntries: Pointer;
  end;

const DD_PALETTECALLBACKS = extern struct {
    dwSize: u32,
    dwFlags: u32,
    DestroyPalette: ?*anyopaque,
    SetEntries: ?*anyopaque,
};

type
  DD_PALETTECALLBACKS {.bycopy.} = object
    dwSize: uint32
    dwFlags: uint32
    DestroyPalette: pointer
    SetEntries: pointer

struct DD_PALETTECALLBACKS
{
    uint dwSize;
    uint dwFlags;
    void* DestroyPalette;
    void* SetEntries;
}