aurora-sharp-desktop/Aurora/Frontend/Views/MainView/MainView.xaml.cs

using System;
using System.Collections.Generic;
using Aurora.Frontend.Components.NavigationMenu;
using Aurora.Frontend.Views.MainView;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace Aurora.Frontend.Views.Main
{ 
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class MainView : MasterDetailPage
    {
        public MainView()
        {
            InitializeComponent();
            BindingContext = new MainViewModel();
            MasterPage.ListView.ItemSelected += ListView_ItemSelected;
        }

        private void ListView_ItemSelected(object sender, SelectedItemChangedEventArgs e)
        {
            var item = e.SelectedItem as NavigationItem;
            if (item == null)
                return;

            var page = (Page)Activator.CreateInstance(item.TargetType);
            page.Title = item.Title;

            Detail = new NavigationPage(page);

            MasterPage.ListView.SelectedItem = null;
        }
    }

}