DCOMPOSITION_FRAME_STATISTICS

using System;
using System.Runtime.InteropServices;

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

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DCOMPOSITION_FRAME_STATISTICS
{
    public long lastFrameTime;
    public DXGI_RATIONAL currentCompositionRate;
    public long currentTime;
    public long timeFrequency;
    public long nextEstimatedFrameTime;
}

Imports System.Runtime.InteropServices

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

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DCOMPOSITION_FRAME_STATISTICS
    Public lastFrameTime As Long
    Public currentCompositionRate As DXGI_RATIONAL
    Public currentTime As Long
    Public timeFrequency As Long
    Public nextEstimatedFrameTime As Long
End Structure

import ctypes
from ctypes import wintypes

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

class DCOMPOSITION_FRAME_STATISTICS(ctypes.Structure):
    _fields_ = [
        ("lastFrameTime", ctypes.c_longlong),
        ("currentCompositionRate", DXGI_RATIONAL),
        ("currentTime", ctypes.c_longlong),
        ("timeFrequency", ctypes.c_longlong),
        ("nextEstimatedFrameTime", ctypes.c_longlong),
    ]

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

#[repr(C)]
pub struct DCOMPOSITION_FRAME_STATISTICS {
    pub lastFrameTime: i64,
    pub currentCompositionRate: DXGI_RATIONAL,
    pub currentTime: i64,
    pub timeFrequency: i64,
    pub nextEstimatedFrameTime: i64,
}

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

type DXGI_RATIONAL struct {
	Numerator uint32
	Denominator uint32
}

type DCOMPOSITION_FRAME_STATISTICS struct {
	lastFrameTime int64
	currentCompositionRate DXGI_RATIONAL
	currentTime int64
	timeFrequency int64
	nextEstimatedFrameTime int64
}

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

  DCOMPOSITION_FRAME_STATISTICS = record
    lastFrameTime: Int64;
    currentCompositionRate: DXGI_RATIONAL;
    currentTime: Int64;
    timeFrequency: Int64;
    nextEstimatedFrameTime: Int64;
  end;

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

const DCOMPOSITION_FRAME_STATISTICS = extern struct {
    lastFrameTime: i64,
    currentCompositionRate: DXGI_RATIONAL,
    currentTime: i64,
    timeFrequency: i64,
    nextEstimatedFrameTime: i64,
};

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

  DCOMPOSITION_FRAME_STATISTICS {.bycopy.} = object
    lastFrameTime: int64
    currentCompositionRate: DXGI_RATIONAL
    currentTime: int64
    timeFrequency: int64
    nextEstimatedFrameTime: int64

struct DXGI_RATIONAL
{
    uint Numerator;
    uint Denominator;
}

struct DCOMPOSITION_FRAME_STATISTICS
{
    long lastFrameTime;
    DXGI_RATIONAL currentCompositionRate;
    long currentTime;
    long timeFrequency;
    long nextEstimatedFrameTime;
}