Count property (Collections)
- Last Updated: February 11, 2026
- 1 minute read
- OpenEdge
- Version 13.0
- Documentation
Returns the number of elements contained in the collection.
Note for HashMap collections, this is the number of
key-value pairs.
Data type: INTEGER
Access: PUBLIC Read-only
Applies to: Progress.Collections.List<T> class, Progress.Collections.SortedSet<T> class, Progress.Collections.HashMap<K,V> class, Progress.Collections.KeySet<K> class
Example
For a code example showing Count for a list,
see Progress.Collections.List<T> class.
For an code example showing Count
for a sorted set, see Progress.Collections.SortedSet<T> class.