示例#1
0
        /// <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 async void OnLaunched(LaunchActivatedEventArgs e)
        {
            current.id        = 0;
            current.if_else   = "if else";
            current.@int      = "integer";
            current.lang_code = "english";
            current.print     = "print";
            current.read      = "read";
            current.@break    = "break";
            current.@continue = "continue";
            current.@for      = "loop";
            Frame rootFrame = Window.Current.Content as Frame;

            try
            {
                quesList = await JsonReq.ques();
            }
            catch
            {
                await new MessageDialog("There seems to be some error with Network," +
                                        "couldn't fetch questions.").ShowAsync();
                quesList = new List <Question>();
            }

            try
            {
                langList = await JsonReq.langlist();
            }
            catch
            {
                await new MessageDialog("Languages couldn't be loaded, only English is loaded." +
                                        "Please close the application and try again for other languages.").ShowAsync();
                langList = new List <Language>();
            }

            // Do not repeat app initialization when the Window already has content,
            // just ensure that the window is active
            if (rootFrame == null)
            {
                // Create 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
                }

                // Place the frame in the current Window
                Window.Current.Content = rootFrame;
            }

            if (e.PrelaunchActivated == false)
            {
                if (rootFrame.Content == null)
                {
                    // When the navigation stack isn't restored navigate to the first page,
                    // configuring the new page by passing required information as a navigation
                    // parameter
                    rootFrame.Navigate(typeof(LoginPage), e.Arguments);
                }
                // Ensure the current window is active
                Window.Current.Activate();
            }
        }