GameWindow.ResolutionChangedThisFrame

Returns

bool True if the resolution changed in the current frame, false otherwise.

Description

Checks if the window's resolution changed during the current frame.

Use this in MonoBehaviour.Update, MonoBehaviour.FixedUpdate, or MonoBehaviour.LateUpdate to check if the window's resolution changed during the current frame.

using UnityEngine;
using UnityEngine.Windowing;

public class WindowingTest : MonoBehaviour
{
    GameWindow mainWindow;

    private void Awake()
    {
        mainWindow = GameWindow.Main;
    }

    private void Update()
    {
        if (mainWindow.ResolutionChangedThisFrame())
        {
            Debug.Log("Main window resolution changed: " + mainWindow.GetWidth() + "x" + mainWindow.GetHeight());
        }
    }
}