DISPLAYCONFIG_VIDEO_SIGNAL_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DISPLAYCONFIG_RATIONAL
{
    public uint Numerator;
    public uint Denominator;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DISPLAYCONFIG_2DREGION
{
    public uint cx;
    public uint cy;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DISPLAYCONFIG_VIDEO_SIGNAL_INFO
{
    public ulong pixelRate;
    public DISPLAYCONFIG_RATIONAL hSyncFreq;
    public DISPLAYCONFIG_RATIONAL vSyncFreq;
    public DISPLAYCONFIG_2DREGION activeSize;
    public DISPLAYCONFIG_2DREGION totalSize;
    public _Anonymous_e__Union Anonymous;
    public int scanLineOrdering;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DISPLAYCONFIG_RATIONAL
    Public Numerator As UInteger
    Public Denominator As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DISPLAYCONFIG_2DREGION
    Public cx As UInteger
    Public cy As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DISPLAYCONFIG_VIDEO_SIGNAL_INFO
    Public pixelRate As ULong
    Public hSyncFreq As DISPLAYCONFIG_RATIONAL
    Public vSyncFreq As DISPLAYCONFIG_RATIONAL
    Public activeSize As DISPLAYCONFIG_2DREGION
    Public totalSize As DISPLAYCONFIG_2DREGION
    Public Anonymous As _Anonymous_e__Union
    Public scanLineOrdering As Integer
End Structure

import ctypes
from ctypes import wintypes

class DISPLAYCONFIG_RATIONAL(ctypes.Structure):
    _fields_ = [
        ("Numerator", wintypes.DWORD),
        ("Denominator", wintypes.DWORD),
    ]

class DISPLAYCONFIG_2DREGION(ctypes.Structure):
    _fields_ = [
        ("cx", wintypes.DWORD),
        ("cy", wintypes.DWORD),
    ]

class DISPLAYCONFIG_VIDEO_SIGNAL_INFO(ctypes.Structure):
    _fields_ = [
        ("pixelRate", ctypes.c_ulonglong),
        ("hSyncFreq", DISPLAYCONFIG_RATIONAL),
        ("vSyncFreq", DISPLAYCONFIG_RATIONAL),
        ("activeSize", DISPLAYCONFIG_2DREGION),
        ("totalSize", DISPLAYCONFIG_2DREGION),
        ("Anonymous", _Anonymous_e__Union),
        ("scanLineOrdering", ctypes.c_int),
    ]

#[repr(C)]
pub struct DISPLAYCONFIG_RATIONAL {
    pub Numerator: u32,
    pub Denominator: u32,
}

#[repr(C)]
pub struct DISPLAYCONFIG_2DREGION {
    pub cx: u32,
    pub cy: u32,
}

#[repr(C)]
pub struct DISPLAYCONFIG_VIDEO_SIGNAL_INFO {
    pub pixelRate: u64,
    pub hSyncFreq: DISPLAYCONFIG_RATIONAL,
    pub vSyncFreq: DISPLAYCONFIG_RATIONAL,
    pub activeSize: DISPLAYCONFIG_2DREGION,
    pub totalSize: DISPLAYCONFIG_2DREGION,
    pub Anonymous: _Anonymous_e__Union,
    pub scanLineOrdering: i32,
}

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

type DISPLAYCONFIG_RATIONAL struct {
	Numerator uint32
	Denominator uint32
}

type DISPLAYCONFIG_2DREGION struct {
	cx uint32
	cy uint32
}

type DISPLAYCONFIG_VIDEO_SIGNAL_INFO struct {
	pixelRate uint64
	hSyncFreq DISPLAYCONFIG_RATIONAL
	vSyncFreq DISPLAYCONFIG_RATIONAL
	activeSize DISPLAYCONFIG_2DREGION
	totalSize DISPLAYCONFIG_2DREGION
	Anonymous _Anonymous_e__Union
	scanLineOrdering int32
}

type
  DISPLAYCONFIG_RATIONAL = record
    Numerator: DWORD;
    Denominator: DWORD;
  end;

  DISPLAYCONFIG_2DREGION = record
    cx: DWORD;
    cy: DWORD;
  end;

  DISPLAYCONFIG_VIDEO_SIGNAL_INFO = record
    pixelRate: UInt64;
    hSyncFreq: DISPLAYCONFIG_RATIONAL;
    vSyncFreq: DISPLAYCONFIG_RATIONAL;
    activeSize: DISPLAYCONFIG_2DREGION;
    totalSize: DISPLAYCONFIG_2DREGION;
    Anonymous: _Anonymous_e__Union;
    scanLineOrdering: Integer;
  end;

const DISPLAYCONFIG_RATIONAL = extern struct {
    Numerator: u32,
    Denominator: u32,
};

const DISPLAYCONFIG_2DREGION = extern struct {
    cx: u32,
    cy: u32,
};

const DISPLAYCONFIG_VIDEO_SIGNAL_INFO = extern struct {
    pixelRate: u64,
    hSyncFreq: DISPLAYCONFIG_RATIONAL,
    vSyncFreq: DISPLAYCONFIG_RATIONAL,
    activeSize: DISPLAYCONFIG_2DREGION,
    totalSize: DISPLAYCONFIG_2DREGION,
    Anonymous: _Anonymous_e__Union,
    scanLineOrdering: i32,
};

type
  DISPLAYCONFIG_RATIONAL {.bycopy.} = object
    Numerator: uint32
    Denominator: uint32

  DISPLAYCONFIG_2DREGION {.bycopy.} = object
    cx: uint32
    cy: uint32

  DISPLAYCONFIG_VIDEO_SIGNAL_INFO {.bycopy.} = object
    pixelRate: uint64
    hSyncFreq: DISPLAYCONFIG_RATIONAL
    vSyncFreq: DISPLAYCONFIG_RATIONAL
    activeSize: DISPLAYCONFIG_2DREGION
    totalSize: DISPLAYCONFIG_2DREGION
    Anonymous: _Anonymous_e__Union
    scanLineOrdering: int32

struct DISPLAYCONFIG_RATIONAL
{
    uint Numerator;
    uint Denominator;
}

struct DISPLAYCONFIG_2DREGION
{
    uint cx;
    uint cy;
}

struct DISPLAYCONFIG_VIDEO_SIGNAL_INFO
{
    ulong pixelRate;
    DISPLAYCONFIG_RATIONAL hSyncFreq;
    DISPLAYCONFIG_RATIONAL vSyncFreq;
    DISPLAYCONFIG_2DREGION activeSize;
    DISPLAYCONFIG_2DREGION totalSize;
    _Anonymous_e__Union Anonymous;
    int scanLineOrdering;
}