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ABL Reference
Class Properties and Methods Reference : Extent property
 

Extent property

When the given data member, parameter, or property is an array, Extent returns the extent of the array. If the array is indeterminate, Extent returns the Unknown value (?). If the data member, parameter, or property is not an array, Extent returns 0.
Data type: INTEGER
Access: PUBLIC Read-only
Applies to: Progress.Reflect.Parameter class, Progress.Reflect.Variable class