Provide a way for the current group header in a LongListSelector to remain visible when the group's content is scrolled, so that it's always clear which group is being displayed. This is analogous to the what is done in the "all" pane of the Contacts app's panorama.
Comments: ** Comment from web user: rversaw **
Comments: ** Comment from web user: rversaw **
This is a duplicate of [workitem:9330]