An array of descriptors for the properties considered bindable by the List Editor's Collection Source.
These properties are treated as displayable if a List View's data source is derived from the XPBaseCollection.
In addition, the properties whose names are stored in child nodes of the Application Model's IModelColumns node are treated as displayable, as well.
When deriving from the ListEditor class, you can return an empty collection. In this instance, only the properties specified in the Application Model will be treated as displayable.