public MainPage()
{
App.NeedChangeStartPage = false;
m_bIsNavigateFromSelectPage = false;
TiltEffect.TiltableItems.Add(typeof(TiltableControl));
InitializeComponent();
ApplicationBar.IsVisible = false;
// Set the data context of the listbox control to the sample data
DataContext = App.ViewModel;
this.Loaded += new RoutedEventHandler(MainPage_Loaded);
InitSinaWeiboInfo();
InitTimer();
}