![]() | Adds the item to the collection at the specified position. |
![]() | Creates a copy of the object. |
![]() | Returns the index of the specified ID in the collection, or -1 if the specified ID does not exist in the collection. |
![]() | Removes the item at the specified position from the collection. |
![]() | Removes all instances of the specified ID from this collection. Returns the number of items removed. |