DEVMODEW

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DEVMODEW
{
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string dmDeviceName;
    public ushort dmSpecVersion;
    public ushort dmDriverVersion;
    public ushort dmSize;
    public ushort dmDriverExtra;
    public uint dmFields;
    public _Anonymous1_e__Union Anonymous1;
    public short dmColor;
    public short dmDuplex;
    public short dmYResolution;
    public short dmTTOption;
    public short dmCollate;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string dmFormName;
    public ushort dmLogPixels;
    public uint dmBitsPerPel;
    public uint dmPelsWidth;
    public uint dmPelsHeight;
    public _Anonymous2_e__Union Anonymous2;
    public uint dmDisplayFrequency;
    public uint dmICMMethod;
    public uint dmICMIntent;
    public uint dmMediaType;
    public uint dmDitherType;
    public uint dmReserved1;
    public uint dmReserved2;
    public uint dmPanningWidth;
    public uint dmPanningHeight;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DEVMODEW
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=32)> Public dmDeviceName As String
    Public dmSpecVersion As UShort
    Public dmDriverVersion As UShort
    Public dmSize As UShort
    Public dmDriverExtra As UShort
    Public dmFields As UInteger
    Public Anonymous1 As _Anonymous1_e__Union
    Public dmColor As Short
    Public dmDuplex As Short
    Public dmYResolution As Short
    Public dmTTOption As Short
    Public dmCollate As Short
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=32)> Public dmFormName As String
    Public dmLogPixels As UShort
    Public dmBitsPerPel As UInteger
    Public dmPelsWidth As UInteger
    Public dmPelsHeight As UInteger
    Public Anonymous2 As _Anonymous2_e__Union
    Public dmDisplayFrequency As UInteger
    Public dmICMMethod As UInteger
    Public dmICMIntent As UInteger
    Public dmMediaType As UInteger
    Public dmDitherType As UInteger
    Public dmReserved1 As UInteger
    Public dmReserved2 As UInteger
    Public dmPanningWidth As UInteger
    Public dmPanningHeight As UInteger
End Structure

import ctypes
from ctypes import wintypes

class DEVMODEW(ctypes.Structure):
    _fields_ = [
        ("dmDeviceName", ctypes.c_wchar * 32),
        ("dmSpecVersion", ctypes.c_ushort),
        ("dmDriverVersion", ctypes.c_ushort),
        ("dmSize", ctypes.c_ushort),
        ("dmDriverExtra", ctypes.c_ushort),
        ("dmFields", wintypes.DWORD),
        ("Anonymous1", _Anonymous1_e__Union),
        ("dmColor", ctypes.c_short),
        ("dmDuplex", ctypes.c_short),
        ("dmYResolution", ctypes.c_short),
        ("dmTTOption", ctypes.c_short),
        ("dmCollate", ctypes.c_short),
        ("dmFormName", ctypes.c_wchar * 32),
        ("dmLogPixels", ctypes.c_ushort),
        ("dmBitsPerPel", wintypes.DWORD),
        ("dmPelsWidth", wintypes.DWORD),
        ("dmPelsHeight", wintypes.DWORD),
        ("Anonymous2", _Anonymous2_e__Union),
        ("dmDisplayFrequency", wintypes.DWORD),
        ("dmICMMethod", wintypes.DWORD),
        ("dmICMIntent", wintypes.DWORD),
        ("dmMediaType", wintypes.DWORD),
        ("dmDitherType", wintypes.DWORD),
        ("dmReserved1", wintypes.DWORD),
        ("dmReserved2", wintypes.DWORD),
        ("dmPanningWidth", wintypes.DWORD),
        ("dmPanningHeight", wintypes.DWORD),
    ]

#[repr(C)]
pub struct DEVMODEW {
    pub dmDeviceName: [u16; 32],
    pub dmSpecVersion: u16,
    pub dmDriverVersion: u16,
    pub dmSize: u16,
    pub dmDriverExtra: u16,
    pub dmFields: u32,
    pub Anonymous1: _Anonymous1_e__Union,
    pub dmColor: i16,
    pub dmDuplex: i16,
    pub dmYResolution: i16,
    pub dmTTOption: i16,
    pub dmCollate: i16,
    pub dmFormName: [u16; 32],
    pub dmLogPixels: u16,
    pub dmBitsPerPel: u32,
    pub dmPelsWidth: u32,
    pub dmPelsHeight: u32,
    pub Anonymous2: _Anonymous2_e__Union,
    pub dmDisplayFrequency: u32,
    pub dmICMMethod: u32,
    pub dmICMIntent: u32,
    pub dmMediaType: u32,
    pub dmDitherType: u32,
    pub dmReserved1: u32,
    pub dmReserved2: u32,
    pub dmPanningWidth: u32,
    pub dmPanningHeight: u32,
}

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

type DEVMODEW struct {
	dmDeviceName [32]uint16
	dmSpecVersion uint16
	dmDriverVersion uint16
	dmSize uint16
	dmDriverExtra uint16
	dmFields uint32
	Anonymous1 _Anonymous1_e__Union
	dmColor int16
	dmDuplex int16
	dmYResolution int16
	dmTTOption int16
	dmCollate int16
	dmFormName [32]uint16
	dmLogPixels uint16
	dmBitsPerPel uint32
	dmPelsWidth uint32
	dmPelsHeight uint32
	Anonymous2 _Anonymous2_e__Union
	dmDisplayFrequency uint32
	dmICMMethod uint32
	dmICMIntent uint32
	dmMediaType uint32
	dmDitherType uint32
	dmReserved1 uint32
	dmReserved2 uint32
	dmPanningWidth uint32
	dmPanningHeight uint32
}

type
  DEVMODEW = record
    dmDeviceName: array[0..31] of WideChar;
    dmSpecVersion: Word;
    dmDriverVersion: Word;
    dmSize: Word;
    dmDriverExtra: Word;
    dmFields: DWORD;
    Anonymous1: _Anonymous1_e__Union;
    dmColor: Smallint;
    dmDuplex: Smallint;
    dmYResolution: Smallint;
    dmTTOption: Smallint;
    dmCollate: Smallint;
    dmFormName: array[0..31] of WideChar;
    dmLogPixels: Word;
    dmBitsPerPel: DWORD;
    dmPelsWidth: DWORD;
    dmPelsHeight: DWORD;
    Anonymous2: _Anonymous2_e__Union;
    dmDisplayFrequency: DWORD;
    dmICMMethod: DWORD;
    dmICMIntent: DWORD;
    dmMediaType: DWORD;
    dmDitherType: DWORD;
    dmReserved1: DWORD;
    dmReserved2: DWORD;
    dmPanningWidth: DWORD;
    dmPanningHeight: DWORD;
  end;

const DEVMODEW = extern struct {
    dmDeviceName: [32]u16,
    dmSpecVersion: u16,
    dmDriverVersion: u16,
    dmSize: u16,
    dmDriverExtra: u16,
    dmFields: u32,
    Anonymous1: _Anonymous1_e__Union,
    dmColor: i16,
    dmDuplex: i16,
    dmYResolution: i16,
    dmTTOption: i16,
    dmCollate: i16,
    dmFormName: [32]u16,
    dmLogPixels: u16,
    dmBitsPerPel: u32,
    dmPelsWidth: u32,
    dmPelsHeight: u32,
    Anonymous2: _Anonymous2_e__Union,
    dmDisplayFrequency: u32,
    dmICMMethod: u32,
    dmICMIntent: u32,
    dmMediaType: u32,
    dmDitherType: u32,
    dmReserved1: u32,
    dmReserved2: u32,
    dmPanningWidth: u32,
    dmPanningHeight: u32,
};

type
  DEVMODEW {.bycopy.} = object
    dmDeviceName: array[32, uint16]
    dmSpecVersion: uint16
    dmDriverVersion: uint16
    dmSize: uint16
    dmDriverExtra: uint16
    dmFields: uint32
    Anonymous1: _Anonymous1_e__Union
    dmColor: int16
    dmDuplex: int16
    dmYResolution: int16
    dmTTOption: int16
    dmCollate: int16
    dmFormName: array[32, uint16]
    dmLogPixels: uint16
    dmBitsPerPel: uint32
    dmPelsWidth: uint32
    dmPelsHeight: uint32
    Anonymous2: _Anonymous2_e__Union
    dmDisplayFrequency: uint32
    dmICMMethod: uint32
    dmICMIntent: uint32
    dmMediaType: uint32
    dmDitherType: uint32
    dmReserved1: uint32
    dmReserved2: uint32
    dmPanningWidth: uint32
    dmPanningHeight: uint32

struct DEVMODEW
{
    wchar[32] dmDeviceName;
    ushort dmSpecVersion;
    ushort dmDriverVersion;
    ushort dmSize;
    ushort dmDriverExtra;
    uint dmFields;
    _Anonymous1_e__Union Anonymous1;
    short dmColor;
    short dmDuplex;
    short dmYResolution;
    short dmTTOption;
    short dmCollate;
    wchar[32] dmFormName;
    ushort dmLogPixels;
    uint dmBitsPerPel;
    uint dmPelsWidth;
    uint dmPelsHeight;
    _Anonymous2_e__Union Anonymous2;
    uint dmDisplayFrequency;
    uint dmICMMethod;
    uint dmICMIntent;
    uint dmMediaType;
    uint dmDitherType;
    uint dmReserved1;
    uint dmReserved2;
    uint dmPanningWidth;
    uint dmPanningHeight;
}