Thanks for writing.
The only way to focus an item into the viewport is to call the BringIntoView
method. This method will make the item appear at the top edge of the viewport.
When the size of an item changes (for instance when you change the template of the item) RadDataBoundListBox simply offsets the following visual containers so that enough space is accomodated for the item that has updated bounds. There is no functionality that will offset the item itself so that it perfectly fits in the bounds of the viewport.
I hope this helps.
Do not hesitate to get back to us in case you have further questions.
the Telerik team
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