private void App_Startup(object sender, StartupEventArgs e)
{
// FOR Collection of Bicycles from Storage
_bicycles = MY_Storage.ReadXml <ObservableCollection <Bicycle> >("bicycles.xml");
//_bicycles = _bicycles.OrderBy(b => b.brandName);
if (_bicycles == null)
{
_bicycles = new ObservableCollection <Bicycle>();
}
// FOR Collection of Customers from Storage
_customers = MY_Storage.ReadXml <ObservableCollection <Customer> >("customers.xml");
if (_customers == null)
{
_customers = new ObservableCollection <Customer>();
}
// FOR Collection of Bookings from Storage
_bookings = MY_Storage.ReadXml <ObservableCollection <Booking> >("bookings.xml");
if (_bookings == null)
{
_bookings = new ObservableCollection <Booking>();
}
}
private void App_Exit(object sender, ExitEventArgs e)
{
MY_Storage.WriteXml <ObservableCollection <Bicycle> >(_bicycles, "bicycles.xml");
MY_Storage.WriteXml <ObservableCollection <Customer> >(_customers, "customers.xml");
MY_Storage.WriteXml <ObservableCollection <Booking> >(_bookings, "bookings.xml");
}