Exemplo n.º 1
0
        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions.
            UnhandledException += Application_UnhandledException;

            // Standard XAML initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            // Language display initialization
            InitializeLanguage();

            // Show graphics profiling information while debugging.
            if (Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = true;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode,
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Prevent the screen from turning off while under the debugger by disabling
                // the application's idle detection.
                // Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }

            string DBConnectionString = "Data Source=isostore:/ToDo.sdf";

            // Create the database if it does not exist.
            using (ToDoDataContext db = new ToDoDataContext(DBConnectionString))
            {
                if (db.DatabaseExists() == false)
                {
                    // Create the local database.
                    db.CreateDatabase();

                    // Save categories to the database.
                    db.SubmitChanges();
                }
            }

            // Create the ViewModel object.
            viewModel = new ToDoViewModel(DBConnectionString);

            // Query the local database and load observable collections.
            viewModel.LoadCollectionsFromDatabase();
        }
Exemplo n.º 2
0
 // Class constructor, create the data context object.
 public ToDoViewModel(string toDoDBConnectionString)
 {
     toDoDB = new ToDoDataContext(toDoDBConnectionString);
 }