InterfaceDef Ancestor Collection

This collection specifies the one base interface from which this interface derives. You use Ancestor collections to define inheritance.

Set variable = object.Ancestor(index)

The Ancestor collection syntax has the following parts.

Part	Description
variable	A variable declared as an InterfaceDef object. It receives the specified base interface definition.
object	An object expression that evaluates to an InterfaceDef object.
index	An integer index that identifies which element in the collection is to be addressed. The valid range is from one to the number of elements in the collection. The number of elements in the collection is specified by object.Ancestor.Count. For more information, see Selecting Items in a Collection.

The following characteristics are true for this collection.

Collection characteristic	Value	Description
Relationship Type	Interface_InheritsFrom_Interface	This is the type of relationship by which all items of the collection are connected to a common source object.
Source is Origin	Yes	The source object for the collection is also the origin object.
Minimum Collection Size	One	The minimum number of items that must be contained in the collection is one.
Maximum Collection Size	One	The maximum number of items that can be contained in the collection is one.
Sequenced Collection	No	As a destination collection, this does not have an explicitly defined sequence. Collections of origin objects are never sequenced.
Deletes Propagated	No	Deleting an origin object or a relationship in the collection does not cause the deletion of a corresponding destination object.
Destinations Named	No	The relationship type for the collection does not permit the naming of destination objects.
Case-sensitive Names	Not applicable	Case-sensitive naming is not applicable for this collection.
Unique Names	Not applicable	Unique naming is not applicable for this collection.

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