Adds the given TreeItems at the end of this list
Expands the tree along the given paths to show the objects the paths include.
Restructures the list to sync with the given list. TreeItems referencing the same object remain in the list, new items get added in the order of appearance, obsolete ones are deleted.
Expands the tree along the given path to show the objects the path includes.
Extension of TreeList that represents the root of a tree control