ShrlAlgoToolkit/WPFDark/Controls/BiaIconToggleButton.xaml.cs

using System.Windows;

namespace WPFDark.Controls
{
    public class BiaIconToggleButton : BiaIconButton
    {
        #region IsChecked

        public bool IsChecked
        {
            get => _IsChecked;
            set
            {
                if (value != _IsChecked)
                    SetValue(IsCheckedProperty, value);
            }
        }

        private bool _IsChecked;

        public static readonly DependencyProperty IsCheckedProperty =
            DependencyProperty.Register(nameof(IsChecked), typeof(bool), typeof(BiaIconToggleButton),
                new FrameworkPropertyMetadata(
                    false,
                    FrameworkPropertyMetadataOptions.BindsTwoWayByDefault |
                    FrameworkPropertyMetadataOptions.AffectsRender |
                    FrameworkPropertyMetadataOptions.SubPropertiesDoNotAffectRender,
                    (s, e) =>
                    {
                        var self = (BiaIconToggleButton) s;
                        self._IsChecked = (bool) e.NewValue;
                    })
                {
                    BindsTwoWayByDefault = true
                }
            );

        #endregion

        static BiaIconToggleButton()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(BiaIconToggleButton),
                new FrameworkPropertyMetadata(typeof(BiaIconToggleButton)));
        }

        protected override void Clicked()
        {
            IsChecked = !IsChecked;

            base.Clicked();
        }
    }
}