Name 

Description 

 

Capacity 

Provides access to the internal TList Capacity property. 

 

Count 

Returns the number of items in the collection. 

 

DataSet 

Indicates the dataset that uses the TDefCollection object to manage its definition objects. 

 

ItemClass 

Indicates the class to which the collection's items belong. 

 

Items 

Lists the index definitions that describe each index of a dataset. 

 

Updated 

Indicates whether the definition objects in the Items array match the corresponding instantiated objects in the dataset.