Add a relation entry to the collection. If the collection is not editable, exception will be thrown. If the target unique ID already exists in the keys collection, exception will be thrown. It will also fire the "TargetAdded" event if successful

Casting operation, convert both owner and target objects to a differnt types. If casting of the owner or targets to new types are not successful, exception will be thrown

Casting operation, convert the owner object to a differnt type. If casting of the owner to new type is not successful, exception will be thrown

Casting operation, convert the target objects to a differnt type. If casting of the targets to new type are not successful, exception will be thrown

Retrieve all records in the relations, with specific way to providing a composite owner ID parameter

Get target objects in specific page. Page number starts with 1. If page number is outside of the total pages in the relations, empty dictionary is returned

Remove a target off the relation. If collection is not editable, exception will be thrown. Target doesn't exist will not cause any exceptions. It will fire the "TargetRemoved" event is removal is successful.

Setup the data procedure delegates for insert and removal of targets

Setup all data communication delegate methods for this Relations object