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

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

Get the owner of the collection

Get the information is the collection editable. Non-Editable relations will throw exception, when AddRelation and RemoveRelation methods are called.

Get the manager of current object type. e.g. Folio object will return IFolioManager type, cast down to ICartellaObjectManager

Get the Site Manager of current instance. This site manager is the one created all the object manager instances

Get the object type definition of the target

Event to fire, when a target is added to the collection

Event to fire, when a target is removed from the collection