Block Snapped View in Windows 8 Apps

Question

Hi All,

Am Developing Windows 8 Apps

My requirement is to block Snapped And Filled View.

Currently Am Using Following Code in

        private void WindowSizeChanged(object sender, Windows.UI.Core.WindowSizeChangedEventArgs e)
        {
            if (GlobalVariable.CurrentPage == "Tasks")
                switch (ApplicationView.Value)
                {
                    case ApplicationViewState.Filled:
                        //VisualStateManager.GoToState(this, "Filled", false);
                        //this.Frame.Navigate(typeof(BlockView));
                        BlockView();
                        break;

                    case ApplicationViewState.FullScreenLandscape:
                        //VisualStateManager.GoToState(this, "FullScreenLandscape", false);

                        //this.Frame.Navigate(typeof(CustomerDetails));
                        UnBlockVIew();
                        break;

                    case ApplicationViewState.Snapped:
                        //BlockView();
                        //this.Frame.Navigate(typeof(BlockView));
                        BlockView();
                        //VisualStateManager.GoToState(this, "Snapped", false);
                        break;

                    case ApplicationViewState.FullScreenPortrait:
                        BlockView();
                        //this.Frame.Navigate(typeof(BlockView));
                        //VisualStateManager.GoToState(this, "FullScreenPortrait", false);

                        break;

                    default:
                        return;
                }
        }

        private void BlockView()
        {
            LayoutGrid.Visibility = Visibility.Collapsed;
            OrientationGrid.Visibility = Visibility.Visible;
            //TopAppBar.Visibility = Visibility.Collapsed;
            PageHeaderGrid.Visibility = Visibility.Collapsed;

        }

        private void UnBlockVIew()
        {
            OrientationGrid.Visibility = Visibility.Collapsed;
            //TopAppBar.Visibility = Visibility.Visible;
            LayoutGrid.Visibility = Visibility.Visible;
            PageHeaderGrid.Visibility = Visibility.Visible;
        }

Am Using Above Code Coz While NAvigating From Page to Page Am Passing Paremeters.

So I Cannot Use the Below Code.

void Current_SizeChanged(object sender, Windows.UI.Core.WindowSizeChangedEventArgs e)
        {
            switch (ApplicationView.Value)
            {
                case ApplicationViewState.Filled:
                    //VisualStateManager.GoToState(this, "Filled", false);
                    this.Frame.Navigate(typeof(BlockView));
                    break;

                case ApplicationViewState.FullScreenLandscape:
                    //VisualStateManager.GoToState(this, "FullScreenLandscape", false);
                    this.Frame.Navigate(typeof(CallStatus));
                    break;

                case ApplicationViewState.Snapped:
                    this.Frame.Navigate(typeof(BlockView));
                    //VisualStateManager.GoToState(this, "Snapped", false);
                    break;

                case ApplicationViewState.FullScreenPortrait:
                    this.Frame.Navigate(typeof(BlockView));
                    //VisualStateManager.GoToState(this, "FullScreenPortrait", false);

                    break;

                default:
                    return;
            }
        }

As i need to Register Size Changed Event Handler in every page .

As soon as my Page Size Changed to snapped or filled View "Current_SizeChanged" Is Getting Called From Other Pages As well. 

How Do i Restrict This Event Getting Called From Other Page As well?

Any Suggestion Would Be of Great Help

Thanks

---

Arjun

Answer 1

You can register in the page's OnNavigatedTo and then remove the registration in OnNavigatedFrom.

--Rob

Answer 2

Hi Rob,

Thanks For your Reply,

I have a Small Doubt.

How do i hide this Message Box In Snapped View??

My Application is Navigating to Other Page After This PopUp MSg(saved,Edited);

Thanks

Arjun

---

Arjun