Listview selection disable

Listview.cs

//On constructor
xCatalogList.ItemSelected += (senders, e) => {
    if (e.SelectedItem == null) return; 
    ((ListView)senders).SelectedItem = null;
};
            
            
async void Handle_ItemSelected(object sender, Xamarin.Forms.SelectedItemChangedEventArgs e)
{
    if (e.SelectedItem == null) return; 
}