DD_SETCOLORKEYDATA

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DDCOLORKEY
{
    public uint dwColorSpaceLowValue;
    public uint dwColorSpaceHighValue;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DD_SETCOLORKEYDATA
{
    public IntPtr lpDD;
    public IntPtr lpDDSurface;
    public uint dwFlags;
    public DDCOLORKEY ckNew;
    public int ddRVal;
    public IntPtr SetColorKey;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DDCOLORKEY
    Public dwColorSpaceLowValue As UInteger
    Public dwColorSpaceHighValue As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DD_SETCOLORKEYDATA
    Public lpDD As IntPtr
    Public lpDDSurface As IntPtr
    Public dwFlags As UInteger
    Public ckNew As DDCOLORKEY
    Public ddRVal As Integer
    Public SetColorKey As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class DDCOLORKEY(ctypes.Structure):
    _fields_ = [
        ("dwColorSpaceLowValue", wintypes.DWORD),
        ("dwColorSpaceHighValue", wintypes.DWORD),
    ]

class DD_SETCOLORKEYDATA(ctypes.Structure):
    _fields_ = [
        ("lpDD", ctypes.c_void_p),
        ("lpDDSurface", ctypes.c_void_p),
        ("dwFlags", wintypes.DWORD),
        ("ckNew", DDCOLORKEY),
        ("ddRVal", ctypes.c_int),
        ("SetColorKey", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct DDCOLORKEY {
    pub dwColorSpaceLowValue: u32,
    pub dwColorSpaceHighValue: u32,
}

#[repr(C)]
pub struct DD_SETCOLORKEYDATA {
    pub lpDD: *mut core::ffi::c_void,
    pub lpDDSurface: *mut core::ffi::c_void,
    pub dwFlags: u32,
    pub ckNew: DDCOLORKEY,
    pub ddRVal: i32,
    pub SetColorKey: *mut core::ffi::c_void,
}

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

type DDCOLORKEY struct {
	dwColorSpaceLowValue uint32
	dwColorSpaceHighValue uint32
}

type DD_SETCOLORKEYDATA struct {
	lpDD uintptr
	lpDDSurface uintptr
	dwFlags uint32
	ckNew DDCOLORKEY
	ddRVal int32
	SetColorKey uintptr
}

type
  DDCOLORKEY = record
    dwColorSpaceLowValue: DWORD;
    dwColorSpaceHighValue: DWORD;
  end;

  DD_SETCOLORKEYDATA = record
    lpDD: Pointer;
    lpDDSurface: Pointer;
    dwFlags: DWORD;
    ckNew: DDCOLORKEY;
    ddRVal: Integer;
    SetColorKey: Pointer;
  end;

const DDCOLORKEY = extern struct {
    dwColorSpaceLowValue: u32,
    dwColorSpaceHighValue: u32,
};

const DD_SETCOLORKEYDATA = extern struct {
    lpDD: ?*anyopaque,
    lpDDSurface: ?*anyopaque,
    dwFlags: u32,
    ckNew: DDCOLORKEY,
    ddRVal: i32,
    SetColorKey: ?*anyopaque,
};

type
  DDCOLORKEY {.bycopy.} = object
    dwColorSpaceLowValue: uint32
    dwColorSpaceHighValue: uint32

  DD_SETCOLORKEYDATA {.bycopy.} = object
    lpDD: pointer
    lpDDSurface: pointer
    dwFlags: uint32
    ckNew: DDCOLORKEY
    ddRVal: int32
    SetColorKey: pointer

struct DDCOLORKEY
{
    uint dwColorSpaceLowValue;
    uint dwColorSpaceHighValue;
}

struct DD_SETCOLORKEYDATA
{
    void* lpDD;
    void* lpDDSurface;
    uint dwFlags;
    DDCOLORKEY ckNew;
    int ddRVal;
    void* SetColorKey;
}