Use this dialog box to add or delete extensions of multiple objects. An extension is a set of properties defined in an auxiliary class.
Common Auxiliary Class Extensions
Lists the auxiliary classes that the selected objects have already been extended with.
Only those auxiliary classes that are common to all the selected objects are listed. Those
that are specific to individual objects are not listed.
Add Extension
Click this button to select an auxiliary class and extend the selected objects with its
properties.
Important: You will be prompted to set values for the properties of the auxiliary class. Each property value you set will be applied to each selected object. If the property already exists in the object and is single-valued, the existing value will be replaced. If the property already exists and is multivalued, the new values will be added to the existing values.
Remove Extension
Click this button to delete the properties of the selected auxiliary class from each
selected object. Properties that the selected objects already had innately won't be
deleted.