LinkedListElementBase (FB)¶

FUNCTION_BLOCK LinkedListElementBase EXTENDS FBF.InstanceBase IMPLEMENTS IElement, IOnlineChangeSafeLinkedListElement

Basic function block for online change safe elements in combination with function blocks of the type LinkedList. This class should be extended by specific implementations.

For online changes safe elements implement the method FB_reinit and call the method UpdateElement: Example:

METHOD FB_reinit : BOOL VAR_INPUT END_VAR

UpdateElement(itfElement := THIS^);

Properties:

ObjectReference

Methods:

ElementCompareTo

ElementEquals

ElementHashCode

UpdateElement

Structure: