public IS3MainWindow() { InitializeComponent(); Closing += MainWindow_Closing; UserPreferences userPrefs = new UserPreferences(); this.Height = userPrefs.WindowHeight; this.Width = userPrefs.WindowWidth; this.Top = userPrefs.WindowTop; this.Left = userPrefs.WindowLeft; this.WindowState = userPrefs.WindowState; UserLoginPage userLoginPage = new UserLoginPage(); pageTransitionControl.ShowPage(userLoginPage); }