public App()
{
// Global handler for uncaught exceptions.
UnhandledException += Application_UnhandledException;
// Standard Silverlight initialization
InitializeComponent();
// Phone-specific initialization
InitializePhoneApplication();
// Show graphics profiling information while debugging.
if ( System.Diagnostics.Debugger.IsAttached )
{
// Display the current frame rate counters.
Application.Current.Host.Settings.EnableFrameRateCounter = false;
// 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;
// Disable the application idle detection by setting the UserIdleDetectionMode property of the
// application's PhoneApplicationService object to Disabled.
// 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;
}
// Specify the local database connection string.
string DBConnectionString = "Data Source=isostore:/ViewNote.sdf";
// Create the database if it does not exist.
using ( VNoteDataContext db = new VNoteDataContext(DBConnectionString) )
{
if ( db.DatabaseExists() == false )
{
// Create the local database.
db.CreateDatabase();
System.Diagnostics.Debug.WriteLine("After creating db: " + DBConnectionString);
// Prepopulate the categories.
db.Categories.InsertOnSubmit(new VNoteCategory { Name = "Memo" });
db.Categories.InsertOnSubmit(new VNoteCategory { Name = "Travel" });
db.Categories.InsertOnSubmit(new VNoteCategory { Name = "Fun" });
// Save categories to the database.
db.SubmitChanges();
}
}
// Create the ViewModel object.
viewModel = new ViewNoteViewModel(DBConnectionString);
// Query the local database and load observable collections.
viewModel.LoadCollectionsFromDatabase();
}
// Class constructor creating the data context object.
public ViewNoteViewModel(string viewNoteDBConnectionString)
{
viewNoteDB = new VNoteDataContext(viewNoteDBConnectionString);
}
