inabox/InABox.Mobile/InABox.Mobile.Shared/Components/MobileCheckBox/MobileCheckBox.xaml.cs

using System;
using System.Globalization;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace InABox.Mobile
{

    public class CheckBoxImageConverter : IValueConverter
    {
        public ImageSource Checked { get; set; }
        public ImageSource Unchecked { get; set; }
        
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if ((value is bool ischecked) && ischecked)
                return Checked;
            return Unchecked;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
    
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class MobileCheckBox
    {
        
        public static readonly BindableProperty IsCheckedProperty = BindableProperty.Create(
            nameof(IsChecked), 
            typeof(bool), 
            typeof(MobileCheckBox),
            false);
        
        public bool IsChecked
        {
            get => (bool)GetValue(IsCheckedProperty);
            set => SetValue(IsCheckedProperty,value);
        }

        public event EventHandler Changed;
        
        public MobileCheckBox()
        {
            InitializeComponent();
        }

        private void ToggleCheck(object sender, EventArgs e)
        {
            IsChecked = !IsChecked;
            Changed?.Invoke(this,EventArgs.Empty);
        }
        
    }
}