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 scalable ports.
—Makes selected ports rigid.
—Makes selected ports scalable.
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You can add extra ports to instanced blocks or groups.