Use the startKey methods to start or restart at a selected position in the external dictionary or to synchronize a list box or any list style view with an associated dictionary of objects.
The methods defined in the ExternalDictionary class are summarized in the following table.
| Method | Description |
|---|---|
| getAtKey | Returns the object at the specified key |
| getAtKeyGeq | Returns the object with a key greater than or equal to the specified key |
| getAtKeyGtr | Returns the object with a key greater than the specified key |
| getAtKeyLeq | Returns the object with a key less than or equal to the specified key |
| getAtKeyLss | Returns the object with a key less than the specified key |
| includesKey | Returns true if the receiver contains an entry at the specified key |
| startKeyGeq | Sets a start position within a collection for an external iterator object |
| startKeyGtr | Sets a start position within a collection for an external iterator object at the next object after the specified key |
| startKeyLeq | Sets a start position within a collection for an external iterator object at the object equal to or before the specified key |
| startKeyLss | Sets a start position within a collection for an external iterator object at the object before the specified key |