Unit 'Classes'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]	[#rtl]

TList.FPONotifyObservers

Notify observers of changes in the list.

Declaration

Source position: classesh.inc line 329

public procedure TList.FPONotifyObservers(

ASender: TObject;

Data: Pointer

);

FPONotifyObservers is called to notify observers of changes in the list. The following notifications are sent:

ooAddItem: when a pointer is added. Data is the pointer that is added.
ooDeleteItem: when a pointer is deleted or extracted. Data is the pointer that is deleted or extracted.
ooChange: called when 2 pointers are exchanged.
ooFree: Called when the list is freed.

FPODetachObserver
FPOAttachObserver
Add
Exchange
Delete		Delete elements (characters) from a string or dynamic array.
Extract