TPointerToPointerTree class

In unit AvgLvlTree

TPointerToPointerTree is an associative array of PointerToPointer Items, or a tree of trees.

Declaration

pascal

TPointerToPointerTree = class

Description

TPointerToPointerTree is an associative array of PointerToPointer Items, or a tree of trees. This class uses pointers to identify pointers within the array, unlike the TStringToStringTree, which uses strings to identify strings.

Properties

`Count`	public	Count - the number of items.
`Values`	public	Values - a pointer into the array of values associated with the nodes.
`Tree`	public	The Tree that forms the basis of the associative array.

Methods

`Create`	public	Constructor for the class instance.
`Destroy`	public	Destructor for the class instance.
`Clear`	public
`ClearWithFree`	public	Frees objects stored in Values.
`Equals`	public
`IsEqual`	public
`Assign`	public
`Remove`	public
`Contains`	public
`GetFirst`	public	GetFirst - finds the first node matching the supplied arguments; returns True if successful.
`GetLast`	public	GetLast - finds the last node matching the supplied arguments; returns True if successful.
`GetNext`	public	GetNext - finds the next node matching the supplied arguments; returns True if successful.
`GetPrev`	public	GetPrev - finds the previous node matching the supplied arguments; returns True if successful.
`FindByValue`	public	Finds a Key by its Value using a slow linear search.
`GetEnumerator`	public
`GetEnumeratorHighToLow`	public

An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.