DD_GETMOCOMPCOMPBUFFDATA

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DDPIXELFORMAT
{
    public uint dwSize;
    public uint dwFlags;
    public uint dwFourCC;
    public _Anonymous1_e__Union Anonymous1;
    public _Anonymous2_e__Union Anonymous2;
    public _Anonymous3_e__Union Anonymous3;
    public _Anonymous4_e__Union Anonymous4;
    public _Anonymous5_e__Union Anonymous5;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DD_GETMOCOMPCOMPBUFFDATA
{
    public IntPtr lpDD;
    public IntPtr lpGuid;
    public uint dwWidth;
    public uint dwHeight;
    public DDPIXELFORMAT ddPixelFormat;
    public uint dwNumTypesCompBuffs;
    public IntPtr lpCompBuffInfo;
    public int ddRVal;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DDPIXELFORMAT
    Public dwSize As UInteger
    Public dwFlags As UInteger
    Public dwFourCC As UInteger
    Public Anonymous1 As _Anonymous1_e__Union
    Public Anonymous2 As _Anonymous2_e__Union
    Public Anonymous3 As _Anonymous3_e__Union
    Public Anonymous4 As _Anonymous4_e__Union
    Public Anonymous5 As _Anonymous5_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DD_GETMOCOMPCOMPBUFFDATA
    Public lpDD As IntPtr
    Public lpGuid As IntPtr
    Public dwWidth As UInteger
    Public dwHeight As UInteger
    Public ddPixelFormat As DDPIXELFORMAT
    Public dwNumTypesCompBuffs As UInteger
    Public lpCompBuffInfo As IntPtr
    Public ddRVal As Integer
End Structure

import ctypes
from ctypes import wintypes

class DDPIXELFORMAT(ctypes.Structure):
    _fields_ = [
        ("dwSize", wintypes.DWORD),
        ("dwFlags", wintypes.DWORD),
        ("dwFourCC", wintypes.DWORD),
        ("Anonymous1", _Anonymous1_e__Union),
        ("Anonymous2", _Anonymous2_e__Union),
        ("Anonymous3", _Anonymous3_e__Union),
        ("Anonymous4", _Anonymous4_e__Union),
        ("Anonymous5", _Anonymous5_e__Union),
    ]

class DD_GETMOCOMPCOMPBUFFDATA(ctypes.Structure):
    _fields_ = [
        ("lpDD", ctypes.c_void_p),
        ("lpGuid", ctypes.c_void_p),
        ("dwWidth", wintypes.DWORD),
        ("dwHeight", wintypes.DWORD),
        ("ddPixelFormat", DDPIXELFORMAT),
        ("dwNumTypesCompBuffs", wintypes.DWORD),
        ("lpCompBuffInfo", ctypes.c_void_p),
        ("ddRVal", ctypes.c_int),
    ]

#[repr(C)]
pub struct DDPIXELFORMAT {
    pub dwSize: u32,
    pub dwFlags: u32,
    pub dwFourCC: u32,
    pub Anonymous1: _Anonymous1_e__Union,
    pub Anonymous2: _Anonymous2_e__Union,
    pub Anonymous3: _Anonymous3_e__Union,
    pub Anonymous4: _Anonymous4_e__Union,
    pub Anonymous5: _Anonymous5_e__Union,
}

#[repr(C)]
pub struct DD_GETMOCOMPCOMPBUFFDATA {
    pub lpDD: *mut core::ffi::c_void,
    pub lpGuid: *mut core::ffi::c_void,
    pub dwWidth: u32,
    pub dwHeight: u32,
    pub ddPixelFormat: DDPIXELFORMAT,
    pub dwNumTypesCompBuffs: u32,
    pub lpCompBuffInfo: *mut core::ffi::c_void,
    pub ddRVal: i32,
}

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

type DDPIXELFORMAT struct {
	dwSize uint32
	dwFlags uint32
	dwFourCC uint32
	Anonymous1 _Anonymous1_e__Union
	Anonymous2 _Anonymous2_e__Union
	Anonymous3 _Anonymous3_e__Union
	Anonymous4 _Anonymous4_e__Union
	Anonymous5 _Anonymous5_e__Union
}

type DD_GETMOCOMPCOMPBUFFDATA struct {
	lpDD uintptr
	lpGuid uintptr
	dwWidth uint32
	dwHeight uint32
	ddPixelFormat DDPIXELFORMAT
	dwNumTypesCompBuffs uint32
	lpCompBuffInfo uintptr
	ddRVal int32
}

type
  DDPIXELFORMAT = record
    dwSize: DWORD;
    dwFlags: DWORD;
    dwFourCC: DWORD;
    Anonymous1: _Anonymous1_e__Union;
    Anonymous2: _Anonymous2_e__Union;
    Anonymous3: _Anonymous3_e__Union;
    Anonymous4: _Anonymous4_e__Union;
    Anonymous5: _Anonymous5_e__Union;
  end;

  DD_GETMOCOMPCOMPBUFFDATA = record
    lpDD: Pointer;
    lpGuid: Pointer;
    dwWidth: DWORD;
    dwHeight: DWORD;
    ddPixelFormat: DDPIXELFORMAT;
    dwNumTypesCompBuffs: DWORD;
    lpCompBuffInfo: Pointer;
    ddRVal: Integer;
  end;

const DDPIXELFORMAT = extern struct {
    dwSize: u32,
    dwFlags: u32,
    dwFourCC: u32,
    Anonymous1: _Anonymous1_e__Union,
    Anonymous2: _Anonymous2_e__Union,
    Anonymous3: _Anonymous3_e__Union,
    Anonymous4: _Anonymous4_e__Union,
    Anonymous5: _Anonymous5_e__Union,
};

const DD_GETMOCOMPCOMPBUFFDATA = extern struct {
    lpDD: ?*anyopaque,
    lpGuid: ?*anyopaque,
    dwWidth: u32,
    dwHeight: u32,
    ddPixelFormat: DDPIXELFORMAT,
    dwNumTypesCompBuffs: u32,
    lpCompBuffInfo: ?*anyopaque,
    ddRVal: i32,
};

type
  DDPIXELFORMAT {.bycopy.} = object
    dwSize: uint32
    dwFlags: uint32
    dwFourCC: uint32
    Anonymous1: _Anonymous1_e__Union
    Anonymous2: _Anonymous2_e__Union
    Anonymous3: _Anonymous3_e__Union
    Anonymous4: _Anonymous4_e__Union
    Anonymous5: _Anonymous5_e__Union

  DD_GETMOCOMPCOMPBUFFDATA {.bycopy.} = object
    lpDD: pointer
    lpGuid: pointer
    dwWidth: uint32
    dwHeight: uint32
    ddPixelFormat: DDPIXELFORMAT
    dwNumTypesCompBuffs: uint32
    lpCompBuffInfo: pointer
    ddRVal: int32

struct DDPIXELFORMAT
{
    uint dwSize;
    uint dwFlags;
    uint dwFourCC;
    _Anonymous1_e__Union Anonymous1;
    _Anonymous2_e__Union Anonymous2;
    _Anonymous3_e__Union Anonymous3;
    _Anonymous4_e__Union Anonymous4;
    _Anonymous5_e__Union Anonymous5;
}

struct DD_GETMOCOMPCOMPBUFFDATA
{
    void* lpDD;
    void* lpGuid;
    uint dwWidth;
    uint dwHeight;
    DDPIXELFORMAT ddPixelFormat;
    uint dwNumTypesCompBuffs;
    void* lpCompBuffInfo;
    int ddRVal;
}