To access this dialog, from the View menu, click Configure List Boxes.
Filter Assigned and Unassigned Lists: Entering a specific pin name in this field filters out all other pins in the Assigned and Unassigned List Boxes. Use the * wildcard to filter for groups.
Show fixed and unfixed pins: Select to display all fixed and unfixed pins in the Assigned list box.
Show only fixed pins: Select to filter out all unfixed pins from the Assigned list box.
Show only unfixed pins: Select to filter out all fixed pins from the Assigned list box.