WPF ComboBox custom Scrollbars

Question

I'm looking for a resource on how to change the size (width) of the scrollbar presented by a combobox in WPF.

Answer 1

http://mark-dot-net.blogspot.com/2008/06/styling-listbox-with-silverlight-2-beta_21.html seems to be a pretty good description for how to style the scroll bar in Silverlight. Much of it should be workable in WPF.