How to prevent/disable snapped view for Windows 8 Metro UI applications

Question

I have an application that really makes no sense for snapped view, as the content generally represents A4 pages of information and data collection.

Is there a way to disable snapped view for the application, or is the recommended approach to just show the application icon, while in snapped mode?

you could show resized pages thumbnail style, top to bottom. while it might not be the most useful thing ever, it's better than doing nothing. — John Gardner, Oct 11 '12 at 16:43

score 10 · Accepted Answer · answered Sep 02 '12 at 22:58

You cannot disable snapped view.

Simply just create a new page and navigate to that page if a snap event occurred. You can simply display an image.

Window.Current.SizeChanged += (object sender, Windows.UI.Core.WindowSizeChangedEventArgs e) =>
                {
                    ApplicationViewState myViewState = ApplicationView.Value;

                    if (myViewState == ApplicationViewState.Snapped)
                    {
                        //await SaveAssets();
                        this.Frame.Navigate(typeof(Snapped));
                        Snapped = true;
                    }
                    else if (myViewState != ApplicationViewState.Snapped)
                    {
                        if (Snapped)
                        {
                            this.Frame.Navigate(typeof(MainPage));
                            Snapped = false;
                        }
                    }
                };

The above answer while correct in spirit is for XAML, not HTML — Dominic Hopton, Sep 03 '12 at 00:22
Ah I didn't notice the winjs tag, I guess there is something similar for js. — , Sep 03 '12 at 00:27
http://blogs.msdn.com/b/windowsappdev/archive/2012/04/19/getting-the-most-out-of-your-pixels-adapting-to-view-state-changes.aspx This is what I used to achieve a result with WinJS. Rob's answer regarding the capabilities is what I was after, the specific tech was secondary to the question. Thanks again. — Predominant, Sep 03 '12 at 01:27

score 0 · Answer 2 · answered Dec 22 '13 at 22:45

I really like Robert's solution. Based upon that, you can simulate disabling snapped view:

Window.Current.SizeChanged += async (object sender, WindowSizeChangedEventArgs e) =>
        {
            ApplicationViewState myViewState = ApplicationView.Value;
            if (myViewState == ApplicationViewState.Snapped)
            {
                if (!ApplicationView.TryUnsnap())
                {
                    MessageDialog dialog = new MessageDialog("Sorry, this App is unusable in snapped mode.");
                    await dialog.ShowAsync();
                }
            }
        };

How to prevent/disable snapped view for Windows 8 Metro UI applications

2 Answers2

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