Пример #1
0
        /// <summary>
        /// Invoked when the application is launched normally by the end user.  Other entry points
        /// will be used when the application is launched to open a specific file, to display
        /// search results, and so forth.
        /// </summary>
        /// <param name="args">Details about the launch request and process.</param>
        protected override async void OnLaunched(LaunchActivatedEventArgs args)
        {
            DXFrame rootFrame = Window.Current.Content as DXFrame;

            // 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 DXFrame()
                {
                    NavigationTypeProvider = new NavigationTypeProvider()
                };

                //Associate the frame with a SuspensionManager key
                SuspensionManager.RegisterFrame(rootFrame, "AppFrame");

                if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
                {
                    // Restore the saved session state only when appropriate
                    try
                    {
                        await SuspensionManager.RestoreAsync();
                    }
                    catch
                    {
                        //Something went wrong restoring state.
                        //Assume there is no state and continue
                    }
                }

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

            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
                if (!rootFrame.Navigate(typeof(MainPage), args.Arguments))
                {
                    throw new Exception("Failed to create initial page");
                }
            }
            // Ensure the current window is active
            Window.Current.Activate();
        }
Пример #2
0
        protected override async void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
        {
            if (args.UWPLaunchActivatedEventArgs.PreviousExecutionState == ApplicationExecutionState.Running)
            {
                Window.Current.Activate();
                return;
            }
            viewModel = new MainViewModel();
            DXFrame rootFrame = null;

            rootFrame = new HamburgerMenuFrame(typeof(HamburgerMenuPage))
            {
                NavigationTypeProvider = new NavigationTypeProvider(), ViewModel = viewModel, DataContext = viewModel, UseLayoutRounding = true
            };
            Interaction.GetBehaviors(rootFrame).Add(new DevExpress.Mvvm.UI.NavigationService()
            {
                Frame = rootFrame
            });

            SuspensionManager.RegisterFrame(rootFrame, "AppFrame");

            if (args.UWPLaunchActivatedEventArgs.PreviousExecutionState == ApplicationExecutionState.Terminated ||
                args.UWPLaunchActivatedEventArgs.PreviousExecutionState == ApplicationExecutionState.ClosedByUser)
            {
                await SuspensionManager.RestoreAsync();
            }

            if (rootFrame.Content == null)
            {
                if (!rootFrame.Navigate(typeof(MainPage), MainViewModel.MainScreenId))
                {
                    throw new Exception("Failed to create initial page");
                }
            }
            Window.Current.Content = rootFrame;
            Window.Current.Activate();
            Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().SetPreferredMinSize(new Windows.Foundation.Size {
                Width = 500, Height = 500
            });

            #region DEMO_REMOVE
#if DEBUGTEST
            DevExpress.TestFramework.TestApp.Start(args.Arguments + " -FullScreen:False");
            this.UnhandledException -= App_UnhandledException;
#endif
            #endregion
        }
        protected override void OnLaunched(LaunchActivatedEventArgs e)
        {
            Frame rootFrame = Window.Current.Content as Frame;

            if (rootFrame == null)
            {
                rootFrame = new DXFrame();
                rootFrame.NavigationFailed += OnNavigationFailed;
                Window.Current.Content      = rootFrame;
            }

            if (e.PrelaunchActivated == false)
            {
                if (rootFrame.Content == null)
                {
                    rootFrame.Navigate(typeof(MainPage), e.Arguments);
                }
                Window.Current.Activate();
            }
        }
Пример #4
0
        /// <summary>
        /// Invoked when the application is launched normally by the end user.  Other entry points
        /// will be used when the application is launched to open a specific file, to display
        /// search results, and so forth.
        /// </summary>
        /// <param name="args">Details about the launch request and process.</param>
        protected override void OnLaunched(LaunchActivatedEventArgs args)
        {
            DXFrame rootFrame = Window.Current.Content as DXFrame;

            // 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 DXFrame()
                {
                    NavigationTypeProvider = new NavigationTypeProvider()
                };

                if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
                {
                    //TODO: Load state from previously suspended application
                }

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

            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
                if (!rootFrame.Navigate(typeof(MainPage), args.Arguments))
                {
                    throw new Exception("Failed to create initial page");
                }
            }
            // Ensure the current window is active
            Window.Current.Activate();
        }