/// <summary>
/// 初始化单一实例应用程序对象。这是执行的创作代码的第一行，
/// 已执行，逻辑上等同于 main() 或 WinMain()。
/// </summary>
public App()
{
conn = new SQLiteConnection(new SQLitePlatformWinRT(), path);
//datebase建表
conn.CreateTable <Models.Member>();
menu = new Models.Menu();
ViewModel = new MemberViewModel();
SongList = new SongViewModels();
this.InitializeComponent();
this.Suspending += OnSuspending;
}
public SongPage()
{
Windows.UI.Core.SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested;
SongList = (Application.Current as App).SongList;
this.InitializeComponent();
}