The UISettings.ColorValueChanged is not called on Windows 10

[github-actions]

https://github\.com/CommunityToolkit/WindowsCommunityToolkit/issues/4412\#issuecomment\-1823919825

{

new LineSeries<double>

{

Values = _values,

Fill = null

}

};

recurrents/ProjectSBS/ProjectSBS/Business/ViewModels/StatsBannerViewModel.cs

Line 93 in bf6d888

//TODO: The UISettings.ColorValueChanged is not called on Windows 10

        _itemService.OnItemsChanged += ItemService_OnItemsChanged;
        _itemService.OnItemsInitialized += ItemService_OnItemsChanged;

        UpdateVisual(_itemService.GetItems());

        var accentColor = (Color)Application.Current.Resources["SystemAccentColor"];
        var skColor = new SKColor(accentColor.R, accentColor.G, accentColor.B);

        ObservableCollection<ISeries> series =
        [
            new LineSeries<decimal>
            {
                Values = _values,
                Fill = null,
                Stroke = new SolidColorPaint(skColor) { StrokeThickness = 6 },
                GeometryStroke = new SolidColorPaint(skColor) { StrokeThickness = 0 },
                GeometryFill = new SolidColorPaint(skColor) { StrokeThickness = 0 }
            }
        ];

        Series = series;

        DateTime currentDate = DateTime.Now;
        var months = new string[6];

        for (int i = 0; i < 6; i++)
        {
            months[5 - i] = currentDate.AddMonths(-i).ToString("MMM", CultureInfo.CurrentCulture);
        }

        XAxes = [
            new Axis
            {
                ShowSeparatorLines = false,
                Labels = months,
                LabelsPaint = new SolidColorPaint(SKColors.White),
                TextSize = 14
            }];

        YAxes = [
            new Axis
            {
                ShowSeparatorLines = false,
                Labeler = value => value.ToString("C", CurrencyCache.CurrencyCultures[_settingsService.DefaultCurrency]),
                LabelsPaint = new SolidColorPaint(SKColors.LightGray),
                TextSize = 14
            }];
    }

    private void UISettings_ColorValuesChanged(UISettings sender, object args)
    {
        //TODO: The UISettings.ColorValueChanged is not called on Windows 10
        //https://github.com/CommunityToolkit/WindowsCommunityToolkit/issues/4412#issuecomment-1823919825

        var accentColor = (Color)Application.Current.Resources["SystemAccentColor"];
        var skColor = new SKColor(accentColor.R, accentColor.G, accentColor.B);

        ((LineSeries<decimal>)Series[0]).Stroke = new SolidColorPaint(skColor) { StrokeThickness = 6 };
        ((LineSeries<decimal>)Series[0]).GeometryStroke = new SolidColorPaint(skColor) { StrokeThickness = 0 };
        ((LineSeries<decimal>)Series[0]).GeometryFill = new SolidColorPaint(skColor) { StrokeThickness = 0 };

        ((Axis)XAxes[0]).LabelsPaint = new SolidColorPaint(SKColors.Pink);
        ((Axis)YAxes[0]).LabelsPaint = new SolidColorPaint(SKColors.LightBlue);
    }

    private void ItemService_OnItemsChanged(object? sender, IEnumerable<ItemViewModel> e)
    {
        UpdateVisual(e);
    }

    private async void UpdateVisual(IEnumerable<ItemViewModel> items)
    {
        SetSum(items);

        _values.Clear();
        for (int i = 0; i < 6; i++) 
        {
            var date = DateTime.Now.AddMonths(-i);
            var days = DateTime.DaysInMonth(date.Year, date.Month);

            var tasks = items.Select(async item => 
            item.IsArchived ? 0 : await _currencyCache.ConvertToDefaultCurrency
            (
                item.Item?.Billing.BasePrice * item.GetPaymentsInPeriod(days, (DateTime.Now - date).Days) ?? 0,
                item?.Item?.Billing?.CurrencyId ?? "EUR",
                _settingsService.DefaultCurrency)
            );

            var values = await Task.WhenAll(tasks);

            _values.Insert(0, values.Sum());
        }
    }

    private async void SetSum(IEnumerable<ItemViewModel> e)