About Selecting Ports
Use the Select member dialog box to select ports in a group or block. Use the following buttons on the Catalog tab Scalable group to select multiple ports or to change port status when you instance them in a block or group:
• 
—Selects all rigid ports.
—Selects all rigid ports.• 
—Selects all scalable ports.
—Selects all scalable ports.• 
—Makes selected ports rigid.
—Makes selected ports rigid.• 
—Makes selected ports scalable.
—Makes selected ports scalable. | You can add extra ports to instanced blocks or groups. |