public static void UpdateScreenCorrection()
        {
            if (ScreenSize.IsEqual(SettingsHolder.LastScreenSize))
            {
                return;
            }
            var wFac = SettingsHolder.LastScreenSize.Width / ScreenSize.Width;
            var hFac = SettingsHolder.LastScreenSize.Height / ScreenSize.Height;

            ScreenCorrection = new Size(wFac, hFac);
            SettingsHolder.LastScreenSize = ScreenSize;
            if (!App.Loading)
            {
                SettingsWriter.Save();
            }
        }