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Editorial Team
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Asked: 2026-05-31T22:42:53+00:00

i’m studying wp7 app changing app on https://github.com/slodge/face . I want to change this

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i’m studying wp7 app changing app on https://github.com/slodge/face. I want to change this app so that this app could show all attribtes in pop up window, when i point to particular face, like on http://developers.face.com/tools/#faces/detect. I have all attributes returned in JSON.
enter image description here
II have no idea how to do that. Can anybody help me?

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1 Answer

  1. Editorial Team

    Since there is no hover event on the phone, the best you can do is to display the popup when the user taps on the image. I’d do the following:

    1. Use a WrapPanel to display the image grid
    2. Add a Tap event handler to each image
    3. Style a Popup in XAML to look like your example, have it closed initially
    4. Bind the values to be displayed Popup to some class you create that contains all the fields to be displayed
    5. When the user taps on an image fetch all the attributes for that image (using JSON.net for example) and set the properties of the class you’ve data bound to the Popup
    6. Position the Popup appropriately using the VerticalOffset and HorizontalOffset properties
    7. Display the Popup by setting the IsOpen property

    Instead of using System.Windows.Controls.Primitives.Popup you could use the Popup control available in the coding4fun toolkit since the latter is hardware accelerated unlike the former.

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