private void Application_Startup(object sender, StartupEventArgs e) { courses = MYStorage.ReadXml <ObservableCollection <Courses> >("Courses_newtest.xml"); //if (courses == null) //{ // courses = new ObservableCollection<Courses>(); // //code to import file path // OpenFileDialog openFile = new OpenFileDialog(); // if (openFile.ShowDialog() == true) // { // Uri img_file = new Uri(openFile.FileName); //} }
private void Application_Exit(object sender, ExitEventArgs e) { MYStorage.WriteXml <ObservableCollection <Courses> >(courses, "Courses_newtest.xml"); //export data with new window }