Adds an element to the collection.

Add an array of elements.

Clears the collection.

Returns true if the list contains the given element.

Copies the elements of the collection to the specified array.

Returns an iterator for the collection.

Get the index of the given element in the collection.

Insert an element at a particular index.

Remove a particular element from the collection.

Removes the interactor at the given index.

Set the collection to hold only the given element.

Return the number of interactors in the collection.

Returns false, to indicate that an collecion is writable.

Return the i-th element in the collection.

The Inserted event will be fired whenever a new element has been inserted into to the collection.

Fired when one or more interactors have become invalidated.

The Removed event will be fired whenever an element has been removed from the collection.