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wpflistboxpixelsense

Zooming an item in Listbox/SurfaceListbox WPF

I am working on SurfaceListbox but I think the logic would apply to normal WPF listbox also.

I have the surfacelistbox with horizontal scroll enabled. It contains close to 20 items. The surfacelistbox is going to be placed in the center of the screen. Now when the user scrolls the listbox, the items move horizontally and based on the size of each item in the listbox, I have seen generally 3 items are visible at any given time on the screen.

Now what I want to do is, when the user stops scrolling and the 3 items are visible, I want to zoom in the center item i.e. basically enlarge it to highlight it.

Any pointers on how to implement such functionality in WPF would be great. Since the user doesnt make a selection when scrolling I could not use the selectionchanged event to know which one is the center item.

Solution

  • Got useful information from these two links

    http://social.msdn.microsoft.com/Forums/en-US/surfaceappdevelopment/thread/290f18c3-9579-4578-b215-45e6eb702470

    http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/5d486826-9a72-4769-bd09-ff6977e16c30