c# - Listbox and control of items to display -

I tell them what I tried, I have a list box that is an asset MVVM pattern ObservableCollection

He sets the dimensions of the listbox to show only the first 10 items. Now I am trying to do this by using the next button displays the following 10 objects, using the scrollbars of everything in the listbock Without doing

I need two buttons next and behind, which will display 10 to 10 objects.

How to do this ?.

Thanks and sorry for my english.

There is a paging control in the Silverlight toolkit.