Possbility to have PanelBarItems with fixed height and other PanelBarItems that take the rest of the available height equally
ICommandSource for RadPanelBarItem, using the same principle like RadMenuItem, since RadPanelBar is mostly used as a menu.
Current behavior: http://admin.telerik.com/Images/editor/Silverlight/PanelBar/31-08-10/current_outcome.png Expected behavior: http://admin.telerik.com/Images/editor/Silverlight/PanelBar/31-08-10/desired_outcome.png