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Editorial Team
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Asked: 2026-06-13T11:31:41+00:00

I understand that the Semantic Zoom control is basically implemented in XAML this way:

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I understand that the Semantic Zoom control is basically implemented in XAML this way:

<SemanticZoom>

    <SemanticZoom.ZoomedOutView>
        <!-- Put the GridView for the zoomed out view here. -->   
    </SemanticZoom.ZoomedOutView>

    <SemanticZoom.ZoomedInView>
        <!-- Put the GridView for the zoomed in view here. -->       
    </SemanticZoom.ZoomedInView>

</SemanticZoom>

What I’m confused about is, assuming I have a “start” or “main” page with six Gridviews on it, each of which will display individually when “zoomed in” to see their details, do I need a single Semantic Zoom to handle the entire collection of GridViews, or do I need a Semantic Zoom control for each GridView?

And if I only need one Semantic Zoom control to handle all of these (the Zoomed Out View will, indeed, be the same for all of them, by definition), how do I make the Zoomed In/detail view specific to the GridView selected?

IOW, if I have six GridViews with information for:

Green Bay Packers
Milwaukee Bucks
Baltimore Orioles
Rory Gallagher
Mark Twain
Abraham Lincoln

…how do I see to it that when the Zoomed In/detail view is activated, and the user “pinched out” on the “Mark Twain” grid, that the Mark Twain-specific page is displayed?

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1 Answer

  1. Editorial Team

    I believe you just need one Semantic Zoom control. But instead of having six different gridviews, can’t you just have one bound to a grouped collection? And then your GridView can use an ItemTemplateSelector to display your different data types.

    See here for itemtemplateselector: http://blogs.u2u.be/diederik/post/2012/05/22/Using-Dynamic-XAML-in-Windows-8-Metro.aspx

    I can provide some code if needed.

    And regarding making sure the correct GridView is selected, the semantic zoom control handles that for you.

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