/// <summary> /// Invoked when the application is launched normally by the end user. Other entry points /// will be used such as when the application is launched to open a specific file. /// </summary> /// <param name="e">Details about the launch request and process.</param> protected override void OnLaunched(LaunchActivatedEventArgs e) { #if DEBUG if (Debugger.IsAttached) { DebugSettings.EnableFrameRateCounter = true; } #endif var rootFrame = Window.Current.Content as Frame; // Do not repeat app initialization when the Window already has content, // just ensure that the window is active if (rootFrame == null) { // Init a Frame to act as the navigation context and navigate to the first page rootFrame = new Frame(); rootFrame.NavigationFailed += OnNavigationFailed; if (e.PreviousExecutionState == ApplicationExecutionState.Terminated) { //TODO: Load state from previously suspended application } // Display an extended splash screen if app was not previously running. if (e.PreviousExecutionState != ApplicationExecutionState.Running) { var extendedSplash = new SplashPage(e.SplashScreen); rootFrame.Content = extendedSplash; Window.Current.Content = rootFrame; } // Place the frame in the current Window Window.Current.Content = rootFrame; } if (e.PrelaunchActivated) { return; } if (rootFrame.Content == null) { rootFrame.Navigate(typeof(MainPage), e.Arguments); } // Ensure the current window is active Window.Current.Activate(); // 设置透明TitleBar TitleBarHelper.SetTransparentTitleBar(); }