DXGI_OUTPUT_DESC1

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct RECT
{
    public int left;
    public int top;
    public int right;
    public int bottom;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DXGI_OUTPUT_DESC1
{
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] public string DeviceName;
    public RECT DesktopCoordinates;
    [MarshalAs(UnmanagedType.Bool)] public bool AttachedToDesktop;
    public int Rotation;
    public IntPtr Monitor;
    public uint BitsPerColor;
    public int ColorSpace;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)] public float[] RedPrimary;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)] public float[] GreenPrimary;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)] public float[] BluePrimary;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)] public float[] WhitePoint;
    public float MinLuminance;
    public float MaxLuminance;
    public float MaxFullFrameLuminance;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure RECT
    Public left As Integer
    Public top As Integer
    Public right As Integer
    Public bottom As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DXGI_OUTPUT_DESC1
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=32)> Public DeviceName As String
    Public DesktopCoordinates As RECT
    <MarshalAs(UnmanagedType.Bool)> Public AttachedToDesktop As Boolean
    Public Rotation As Integer
    Public Monitor As IntPtr
    Public BitsPerColor As UInteger
    Public ColorSpace As Integer
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=2)> Public RedPrimary() As Single
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=2)> Public GreenPrimary() As Single
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=2)> Public BluePrimary() As Single
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=2)> Public WhitePoint() As Single
    Public MinLuminance As Single
    Public MaxLuminance As Single
    Public MaxFullFrameLuminance As Single
End Structure

import ctypes
from ctypes import wintypes

class RECT(ctypes.Structure):
    _fields_ = [
        ("left", ctypes.c_int),
        ("top", ctypes.c_int),
        ("right", ctypes.c_int),
        ("bottom", ctypes.c_int),
    ]

class DXGI_OUTPUT_DESC1(ctypes.Structure):
    _fields_ = [
        ("DeviceName", ctypes.c_wchar * 32),
        ("DesktopCoordinates", RECT),
        ("AttachedToDesktop", wintypes.BOOL),
        ("Rotation", ctypes.c_int),
        ("Monitor", ctypes.c_void_p),
        ("BitsPerColor", wintypes.DWORD),
        ("ColorSpace", ctypes.c_int),
        ("RedPrimary", ctypes.c_float * 2),
        ("GreenPrimary", ctypes.c_float * 2),
        ("BluePrimary", ctypes.c_float * 2),
        ("WhitePoint", ctypes.c_float * 2),
        ("MinLuminance", ctypes.c_float),
        ("MaxLuminance", ctypes.c_float),
        ("MaxFullFrameLuminance", ctypes.c_float),
    ]

#[repr(C)]
pub struct RECT {
    pub left: i32,
    pub top: i32,
    pub right: i32,
    pub bottom: i32,
}

#[repr(C)]
pub struct DXGI_OUTPUT_DESC1 {
    pub DeviceName: [u16; 32],
    pub DesktopCoordinates: RECT,
    pub AttachedToDesktop: i32,
    pub Rotation: i32,
    pub Monitor: *mut core::ffi::c_void,
    pub BitsPerColor: u32,
    pub ColorSpace: i32,
    pub RedPrimary: [f32; 2],
    pub GreenPrimary: [f32; 2],
    pub BluePrimary: [f32; 2],
    pub WhitePoint: [f32; 2],
    pub MinLuminance: f32,
    pub MaxLuminance: f32,
    pub MaxFullFrameLuminance: f32,
}

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

type RECT struct {
	left int32
	top int32
	right int32
	bottom int32
}

type DXGI_OUTPUT_DESC1 struct {
	DeviceName [32]uint16
	DesktopCoordinates RECT
	AttachedToDesktop int32
	Rotation int32
	Monitor uintptr
	BitsPerColor uint32
	ColorSpace int32
	RedPrimary [2]float32
	GreenPrimary [2]float32
	BluePrimary [2]float32
	WhitePoint [2]float32
	MinLuminance float32
	MaxLuminance float32
	MaxFullFrameLuminance float32
}

type
  RECT = record
    left: Integer;
    top: Integer;
    right: Integer;
    bottom: Integer;
  end;

  DXGI_OUTPUT_DESC1 = record
    DeviceName: array[0..31] of WideChar;
    DesktopCoordinates: RECT;
    AttachedToDesktop: BOOL;
    Rotation: Integer;
    Monitor: Pointer;
    BitsPerColor: DWORD;
    ColorSpace: Integer;
    RedPrimary: array[0..1] of Single;
    GreenPrimary: array[0..1] of Single;
    BluePrimary: array[0..1] of Single;
    WhitePoint: array[0..1] of Single;
    MinLuminance: Single;
    MaxLuminance: Single;
    MaxFullFrameLuminance: Single;
  end;

const RECT = extern struct {
    left: i32,
    top: i32,
    right: i32,
    bottom: i32,
};

const DXGI_OUTPUT_DESC1 = extern struct {
    DeviceName: [32]u16,
    DesktopCoordinates: RECT,
    AttachedToDesktop: i32,
    Rotation: i32,
    Monitor: ?*anyopaque,
    BitsPerColor: u32,
    ColorSpace: i32,
    RedPrimary: [2]f32,
    GreenPrimary: [2]f32,
    BluePrimary: [2]f32,
    WhitePoint: [2]f32,
    MinLuminance: f32,
    MaxLuminance: f32,
    MaxFullFrameLuminance: f32,
};

type
  RECT {.bycopy.} = object
    left: int32
    top: int32
    right: int32
    bottom: int32

  DXGI_OUTPUT_DESC1 {.bycopy.} = object
    DeviceName: array[32, uint16]
    DesktopCoordinates: RECT
    AttachedToDesktop: int32
    Rotation: int32
    Monitor: pointer
    BitsPerColor: uint32
    ColorSpace: int32
    RedPrimary: array[2, float32]
    GreenPrimary: array[2, float32]
    BluePrimary: array[2, float32]
    WhitePoint: array[2, float32]
    MinLuminance: float32
    MaxLuminance: float32
    MaxFullFrameLuminance: float32

struct RECT
{
    int left;
    int top;
    int right;
    int bottom;
}

struct DXGI_OUTPUT_DESC1
{
    wchar[32] DeviceName;
    RECT DesktopCoordinates;
    int AttachedToDesktop;
    int Rotation;
    void* Monitor;
    uint BitsPerColor;
    int ColorSpace;
    float[2] RedPrimary;
    float[2] GreenPrimary;
    float[2] BluePrimary;
    float[2] WhitePoint;
    float MinLuminance;
    float MaxLuminance;
    float MaxFullFrameLuminance;
}