LoadingListView.cs

using System.Collections;
using System.Windows.Input;
 
namespace NeuroAccessMaui.UI.Controls
{
    public class LoadingListView : ListView
    {
        public static readonly BindableProperty LoadMoreCommandProperty =
             BindableProperty.Create(nameof(LoadMoreCommand), typeof(ICommand), typeof(LoadingListView), default(ICommand));
 
        public ICommand LoadMoreCommand
        {
            get => (ICommand)this.GetValue(LoadMoreCommandProperty);
            set => this.SetValue(LoadMoreCommandProperty, value);
        }
 
        public static readonly BindableProperty ItemSelectedCommandProperty =
             BindableProperty.Create(nameof(ItemSelectedCommand), typeof(ICommand), typeof(LoadingListView), default(ICommand));
 
        public ICommand ItemSelectedCommand
        {
            get => (ICommand)this.GetValue(ItemSelectedCommandProperty);
            set => this.SetValue(ItemSelectedCommandProperty, value);
        }
 
        public LoadingListView()
        {
            this.ItemAppearing += this.LoadingListView_ItemAppearing;
            this.ItemSelected += this.LoadingListView_ItemSelected;
        }
 
        private void LoadingListView_ItemAppearing(object? Sender, ItemVisibilityEventArgs e)
        {
            if (this.ItemsSource is IList List && e.Item == List[List.Count - 1])
            {
                if (this.LoadMoreCommand?.CanExecute(null) ?? false)
                    this.LoadMoreCommand.Execute(null);
            }
        }
 
        private void LoadingListView_ItemSelected(object? Sender, SelectedItemChangedEventArgs e)
        {
            if (this.ItemSelectedCommand?.CanExecute(null) ?? false)
                this.ItemSelectedCommand.Execute(this.SelectedItem);
        }
 
    }
}