Semi.Avalonia/demo/Semi.Avalonia.Demo/Controls/FunctionalColorGroupControl.cs

using System.Collections;
using Avalonia;
using Avalonia.Controls.Primitives;

namespace Semi.Avalonia.Demo.Controls;

public class FunctionalColorGroupControl : TemplatedControl
{
    public static readonly StyledProperty<string?> TitleProperty =
        AvaloniaProperty.Register<FunctionalColorGroupControl, string?>(nameof(Title));

    public string? Title
    {
        get => GetValue(TitleProperty);
        set => SetValue(TitleProperty, value);
    }

    public static readonly DirectProperty<FunctionalColorGroupControl, IEnumerable?> LightColorsProperty =
        AvaloniaProperty.RegisterDirect<FunctionalColorGroupControl, IEnumerable?>(nameof(LightColors),
            o => o.LightColors, (o, v) => o.LightColors = v);

    private IEnumerable? _lightColors;

    public IEnumerable? LightColors
    {
        get => _lightColors;
        set => SetAndRaise(LightColorsProperty, ref _lightColors, value);
    }

    public static readonly DirectProperty<FunctionalColorGroupControl, IEnumerable?> DarkColorsProperty =
        AvaloniaProperty.RegisterDirect<FunctionalColorGroupControl, IEnumerable?>(nameof(DarkColors),
            o => o.DarkColors, (o, v) => o.DarkColors = v);

    private IEnumerable? _darkColors;

    public IEnumerable? DarkColors
    {
        get => _darkColors;
        set => SetAndRaise(DarkColorsProperty, ref _darkColors, value);
    }
}