using Xamarin.Forms;  
  
namespace XamarinAppCenter  
{  
    public partial class MainPage : ContentPage  
    {  
        public MainPage()  
        {  
            InitializeComponent();  
        }  
  
        void btnCrash_Clicked(object sender, System.EventArgs e)  
        {  
            throw new NotImplementedException();  
        }  
    }  
}